Crop nutrition and fortifying composition

Abstract

The present invention relates to a crop nutrition and fortifying composition comprising an effective amount of the following ingredients: elemental sulfur; one or more magnesium salt derivatives or mixtures thereof; one or more potash fertilizers or salts or derivatives or mixtures thereof; one or more iron salts or derivatives or mixtures thereof; one or more zinc salts or derivatives or mixtures thereof; and one or more excipients. The composition comprises particles having a particle size ranging from 0.1 to 50 [mu] m wherein the elemental sulfur content is from 5% to 90% by weight; the content of the element magnesium is 0.1%-40% (weight percentage); the content of the element potassium is 0.1%-40% (weight percentage); the content of the element iron is 0.1%-45% (weight percentage); and the content of the element zinc is 0.1-45% of the total weight of the composition. The invention also relates to a method for preparing the crop nutrition and fortifying composition, and a method for treating a plant, a seed, a crop, plant propagation material, a locus, parts thereof or soil using the crop nutrition and fortifying composition.

Description

Field of the Invention

[0001] The present invention relates to a crop nutrition and fortification composition, which comprises effective amounts of the following components: elemental sulfur; one or more magnesium salts or their derivatives or mixtures; one or more potassium fertilizers or their salts or derivatives or mixtures; one or more iron salts or their derivatives or mixtures; one or more zinc salts or their derivatives or mixtures; and one or more excipients accounting for 0.1% to 60% of the total weight of the composition, wherein the content of elemental sulfur in the composition accounts for 5% to 90% of the total weight of the composition; the content of elemental magnesium accounts for 0.1% to 40% of the total weight of the composition; the content of elemental potassium accounts for 0.1% to 40% of the total weight of the composition, the content of elemental iron accounts for 0.1% to 45% of the total weight of the composition. The content of elemental zinc accounts for 0.1% to 45% of the total weight of the composition. Specifically, the crop nutrition and fortification composition comprises fine particles with a size range of 0.1 - 50 microns, and the total content of water-soluble salts, derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition.

[0002] More specifically, the crop nutrition fortification composition is in the form of water-disintegrating granules, water-dispersible granules or a liquid suspension.

[0003] The present invention also relates to a method for preparing the crop nutrition fortification composition, and a method for treating plants, seeds, crops, plant propagation materials, sites, their parts or soil with the crop nutrition fortification composition, wherein the composition is in the form of water-disintegrating granules, water-dispersible granules or a liquid suspension.

[0004] The present invention also relates to a method for treating plants with a crop nutrition fortification composition to meet their nutritional requirements, which enables plants to absorb essential nutrients such as sulfur, potassium, magnesium, as well as micronutrients such as iron and zinc, and release other micronutrients and trace elements in the soil. These micronutrients and trace elements cannot be absorbed by plants due to various factors (mainly soil degradation, antagonism between nutrients, or excessive use of nitrogen, phosphorus, potassium or ammonium sulfate fertilizers). In addition, the composition of the present invention reduces the need for excessive application of traditional nitrogen, phosphorus and potassium fertilizers, and avoids drawbacks such as nitrate leaching and nitrous oxide emissions caused by excessive use of nitrogen, phosphorus and potassium fertilizers. Background of the Invention

[0006] When describing the embodiments of the present invention, for clarity, specific terms are selected. However, the present invention is not limited to the selected specific terms, and it should be understood that each specific term covers all technical equivalents that operate in a similar manner to achieve a similar purpose.

[0007] Nutrition is a key factor in crop growth and development. If plants lack sufficient nutrition, it will lead to poor growth and development, poor physiological development, and be more vulnerable to pests and diseases.

[0008] Macronutrients play important roles in plant growth and development. Micronutrients also play important roles in agriculture, as they can help plants alleviate environmental stress, improve the nutritional quality of food, promote crop yield increase and improve crop quality. It has been observed that deficiencies in macronutrients, secondary nutrients, and micronutrients can all lead to a decline in overall crop growth and health. In addition, insufficient plant nutrient supply can also result in poor growth, making plants more susceptible to pest attacks.

[0009] Potassium (K) is an essential nutrient for plants, which affects a variety of biochemical and physiological processes, and thus affects plant growth and metabolism. Potassium plays a crucial role in enzyme activation, protein synthesis, photosynthesis, osmotic regulation, stomatal movement, energy transfer, phloem transport, cation-anion balance, and stress resistance. Potassium deficiency in crops and plants can lead to chlorosis; wilting and withering of old leaves; leaf deformation and reduction in size; reduction in flowering and branching; reduction in the formation of carbohydrates, proteins, and chlorophyll, as well as a decline in fruit and seed quality.

[0010] Magnesium (Mg) is an essential macronutrient for plant growth and development, and plays an important role in plant photosynthesis, cell division, protein formation, and respiration. Due to the mobility of magnesium in plants, magnesium deficiency symptoms first appear in the lower and older leaves, and then in the younger leaves. The symptoms are yellowing of the leaves, with green veins and margins (i.e., interveinal chlorosis). Purple, red, or brown spots may also appear on the leaves. In addition, due to the mobility of magnesium, the content of magnesium in the soil is relatively low because magnesium is easily lost from the soil and due to intensive crop production. In addition, high concentrations of potassium in the soil can hinder the absorption of magnesium, making it unavailable to plants. Absolute magnesium deficiency in the soil can significantly reduce the absorption of magnesium by crop roots.

[0011] The role of sulfur as an essential growth nutrient and fertilizer has long been known. Sulfur deficiency has been widespread in most agricultural regions of the world over the past few decades, leading to sulfur being considered a factor limiting crop yield and fertilizer efficiency. Sulfur is usually applied in the form of elemental sulfur or as a component of certain fertilizers, such as superphosphate, ammonium sulfate, and potassium sulfate. Other causes of sulfur deficiency include the inability of plants to absorb available sulfur, sulfur loss due to leaching and changes in soil pH, and the insolubility of elemental sulfur in water.

[0012] Micronutrients are no less important for plant growth than macronutrients. Zinc is a known micronutrient and an important component of various enzymes and proteins; it is involved in the formation of chlorophyll and some carbohydrates, converts starch into sugar, and is present in plant tissues to help plants withstand low temperatures. Zinc is not easily mobile, so zinc deficiency symptoms appear in new leaves, manifested as varying degrees of chlorosis (usually occurring between the veins) in the new leaves, and necrotic spots may appear at the leaf margins or tips, resulting in smaller leaves that are usually curled or twisted upward. The formation of carbohydrates, proteins, and chlorophyll in zinc-deficient plants is significantly reduced.

[0013] Iron plays a key role in energy transfer, nitrogen reduction, nitrogen fixation, the process of chlorophyll formation, and the synthesis of a series of enzymes and proteins. Once iron is absorbed into the upper tissues of plants, it is relatively difficult to move, so the transport of iron between different parts of the plant is restricted, leading to iron deficiency. Iron deficiency usually causes chlorosis (yellowing) and poor nodulation in leguminous crops, resulting in a decrease in plant size and yield.

[0014] It is well known that the normal functions and growth of plants require optimal nutrient levels, and any change in nutrient levels may cause hindrance to the overall growth of crops and lead to a decline in their health due to deficiency or toxicity, which in turn affects the nutrients essential for the human diet.

[0015] Currently, the existing traditional fertilizers or nutrient compositions on the market either have poor solubility or poor dispersibility, so they cannot be quickly absorbed by plant roots, resulting in nutrient deficiencies. Macronutrients, such as magnesium, if applied in excessive doses, will significantly increase soil salinity and are easily lost from the soil. Therefore, we need to apply macronutrients in a suitable form and dose so that plants can absorb and utilize them in a timely manner.

[0016] Therefore, macronutrients and micronutrients need to be applied in forms and quantities that can be absorbed and utilized in a timely manner.

[0017] In addition, modern agriculture faces the challenge of soil degradation, which is caused by the overuse of chemical fertilizers and over-tillage, and this in turn leads to nutrient deficiencies in crops and harvests, ultimately affecting human nutrition and health. It has been observed that the amount of nitrogen, phosphorus, and potassium fertilizers applied to the soil today is more than twice that of two or three decades ago, but to achieve the same yield. It has been observed that excessive application of nitrogen fertilizers increases the risk of nitrous oxide emissions.

[0018] In agricultural production, nitrous oxide is emitted into the atmosphere when microorganisms act on nitrogen that enters the soil through animal urine and feces, synthetic fertilizers, and legumes. The production and use of nitrogen fertilizers both release carbon dioxide, nitrous oxide, and methane, which are the world's most important greenhouse gases. They not only absorb heat and cause climate change but also trigger respiratory diseases due to smog and air pollution. These greenhouse gases lead to extreme weather changes and cause global warming and climate change by absorbing solar heat, which is particularly evident in today's era. It has been observed that excessive application of nitrogen fertilizers increases nitrous oxide emissions. Nitrous oxide poses the greatest risk to climate change; the global warming potential of one pound of nitrous oxide is 300 times that of one pound of carbon dioxide, so it exerts greater pressure on temperature changes. Therefore, reducing the use of nitrogen fertilizers and thus reducing nitrous oxide emissions is an urgent priority.

[0019] In addition, the large loss of ammonia reduces the nitrogen use efficiency, increases the demand for nitrogen fertilizers, and thus increases the risk of nitrate leaching. High concentrations of nitrate leaching are toxic and can contaminate drinking water sources with nitrate (a water-soluble nitrogen compound). Excessive intake of nitrate poses a threat to human health. It has been observed that nitrate concentrations in drinking water exceeding 10 mg / L immediately cause health problems in humans. Excessively high concentrations of nitrate may react with amides and amines to form carcinogenic compounds such as nitrosamines and nitrosamides.

[0020] In addition, when excessive nitrate is not absorbed by plants, it will be lost from the plant root zone, leaving hydrogen ions, thereby increasing soil acidity, which in turn causes plants to be unable to absorb nutrients from acidic soil.

[0021] In addition, due to the large application of nitrogen, phosphorus, and potassium fertilizers, potassium accumulates in the soil, which has an antagonistic effect on the absorption of other nutrients such as magnesium and calcium, that is, it inhibits the absorption of magnesium or calcium by plants, resulting in plant deficiencies of these nutrients.

[0022] In addition, with the increase in the application rate of ammonium sulfate, the magnesium deficiency in plants becomes increasingly serious. The direct adverse effect of ammonium sulfate on the magnesium supply to plants is considered to be due to the competitive effect of NH4 and H- ions on magnesium absorption. These ions are produced in large quantities in root tissues shortly after NH4- ion absorption.

[0023] (Nitrogen-Magnesium Relationships in Crop Plants by E.G.Mulder*,

[0024] Agricultural Experiment Station and Institute for Soil Research T.N.O., Groningen, The Netherlands).

[0025] Therefore, appropriate crop nutrition is crucial for optimizing crop growth, development, and metabolism, which in turn helps to increase crop yield and product quality.

[0026] Further observations have revealed that crop nutrition management is very difficult due to factors such as soil carbonate content, soil salinity, soil moisture, soil alkalinity, and low temperature.

[0027] When multiple macronutrients and secondary or micronutrients are present simultaneously, how to solve the problem of nutrient antagonism is also a major challenge. Sometimes, the interactions between plant nutrients may exhibit antagonistic or synergistic effects, thus affecting nutrient use efficiency. Sometimes, "nutrient antagonism" is observed in plants, that is, the excessive application of a certain element will hinder the absorption of another required element by the plant, resulting in nutrient deficiency in the plant. Nutrient-imbalanced soils are prone to nutrient antagonism, and different solutions from the conventional ones are needed to increase yield. When applied to the soil or sprayed on the leaves, the nutrients in the fertilizer components will compete with each other. Therefore, both nutrient antagonism in the soil and in the inputs or fertilizers are major challenges, and both challenges must be addressed simultaneously when striving to provide balanced nutrition for crops.

[0028] Some of the most common antagonistic effects include iron antagonizing zinc or manganese (or vice versa), magnesium antagonizing calcium (or vice versa), and potassium antagonizing magnesium and calcium.

[0029] It is well known that the unilateral excessive supply of potassium will inhibit the absorption of magnesium, resulting in potassium-magnesium antagonism. Antagonism / competition exists between potassium and magnesium, and it has been reported (K.L. Kabu et.al, Influence of potassium-magnesium antagonism on tomato Plant growth, Can. J. Plant Sci. 50:711-715 (Nov. 1970)). Soils treated with high-potassium fertilizers will reduce the absorption of magnesium by plants and may cause magnesium deficiency in crops growing in soils with low magnesium content. Conversely, crops growing in soils with high magnesium content may show potassium deficiency, especially in soils with high phosphorus content and low potassium content.

[0030] Therefore, after understanding the antagonistic effects between magnesium and potassium or between zinc and iron, developing an agricultural composition has always been a challenge. This composition should not only overcome this problem and increase the absorption of these nutrients, but also maintain the soil pH value and successfully meet the nutritional requirements of plants for potassium and magnesium as well as other micronutrients (such as zinc and iron), ultimately affecting human nutrition.

[0031] Another reason for plant nutrient deficiencies is "fixation", where elements combine and bind to form an insoluble compound that cannot be absorbed by plant roots. Therefore, the most limiting nutrients must be applied in balance to achieve maximum yields while minimizing nutrient losses.

[0032] Therefore, it remains a major challenge to provide adequate and balanced nutrition in a way that maximizes plant nutrient uptake while protecting the crop.

[0033] Therefore, proper crop nutrition is crucial for optimizing crop growth, development, and metabolism, which in turn helps to increase crop yields and product quality. Adequate crop nutrition is also essential, while reducing the application of nitrogen, phosphorus, potassium, or ammonium fertilizers to avoid the drawbacks associated with nitrous oxide emissions and soil nitrate leaching.

[0034] In addition, agriculture-related problems include environmental conditions such as drought, biotic and abiotic stresses, poor soil conditions, or soil nutrient depletion, resulting in reduced yields and quality of agricultural products.

[0035] It is not currently clear what the appropriate composition is that includes macronutrients such as potassium, sulfur, magnesium, and combinations with other micronutrients such as iron and zinc, which can promote maximum nutrient uptake by plants while addressing the issue of nutrient antagonism.

[0036] Another object of the present invention is to develop a crop nutrition and fortification composition that can avoid the overuse of synthetic NPK fertilizers or ammonium sulfate-based fertilizers, not only preventing soil degradation, but also reducing nitrous oxide emissions and avoiding nitrate leaching, improving soil health and pH, and increasing the yield and quality of agricultural products while reducing the application rate of the composition.

[0037] Common traditional fertilizers or nutrient compositions on the market currently either have poor solubility or poor dispersibility, and thus cannot be quickly absorbed by plant roots, resulting in nutrient deficiencies. In addition, high-concentration water-soluble fertilizers are prone to leaching from the soil during application, thereby reducing the utilization rate of fertilizers by crops or plants.

[0038] Traditionally, known forms of micronutrient compositions in the art include bentonite granulates or tablets, pellets / granules, granules prepared by the fusion method, etc. Such granulate, pellet, or tablet compositions contain swelling clay and have some disadvantages. These compositions are generally large in size, and the clay swells after contact with moisture and decomposes into large and unevenly sized microparticles. Such granulates or tablets also exhibit irregular and slow release of micronutrients, resulting in reduced utilization rates and inability to meet the nutritional requirements of plants, ultimately leading to poor field efficacy.

[0039] In addition, patent application number US20170283334A1 discloses a micronutrient composition that comprises a combination of water-insoluble and water-soluble micronutrients in a hydrated polyelectrolyte solution. The polyelectrolyte in this composition undergoes physical crosslinking to form a viscous, gel-like matrix in which the solid micronutrients are dispersed. Such compositions are intended to achieve immediate and sustained release of nutrients by means of polyelectrolytes and metal complexing agents. However, these high-concentration formulations are difficult to dilute in water, cannot form a stable dispersion, and tend to form hard cakes, and thus are not suitable for practical applications. This viscous formulation is difficult to pour and tends to clog the nozzle, thereby affecting the delivery of nutrients to plants or crops.

[0040] The inventors have unexpectedly found that the crop nutrition and fortification composition comprises effective amounts of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble potassium fertilizers or potassium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; and one or more excipients, wherein the composition comprises microparticles having a size range of 0.1 micrometers to 50 micrometers, and wherein the total content of water-soluble salts or derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition, and wherein the content of elemental sulfur in the composition is in the range of 5% to 90% of the total weight of the composition; the elemental potassium content is 0.1% to 40% of the total weight of the composition, the elemental magnesium content is 0.1% to 40% of the total weight of the composition; the elemental iron content is 0.1% to 45% of the total weight of the composition; the elemental zinc content is 0.1% to 45% of the total weight of the composition, and exhibits excellent field efficacy.

[0041] The inventors have noted that a crop nutrition fortification composition comprising a combination of various nutrients in specific proportions, when formulated according to the embodiments of the present invention and comprising microparticles having a specific microparticle size distribution, also unexpectedly addresses the challenge of nutrient antagonism in the soil, such as the antagonism between zinc and iron or between magnesium and potassium. In addition, applying the composition of the present invention surprisingly enables better absorption of all nutrients, reduces the need for excessive application of traditional NPK fertilizers, and avoids drawbacks such as nitrate leaching caused by excessive use of NPK fertilizers. This results in a more balanced absorption of all nutrients, thereby making the plants or crops healthier and increasing the total crop yield and the quality of the products. It has been particularly observed that the crop nutrition and fortification composition of the present invention not only avoids the excessive use of high-dose NPK fertilizers, but also meets the needs of the crops by providing a multi-nutrient solution, and at a reduced application rate, improves the absorption of macronutrients such as potassium, magnesium and sulfur and other micronutrients in the soil by the crops, while also improving soil health.

[0042] In addition, the inventors of the present application have determined that crop nutrition and fortification compositions in the form of water-dispersible granules, liquid suspensions, or water-disintegrating granules contribute to increasing plant yields, improving soil health, maintaining soil pH, and balancing the uptake of all nutrients by crops or plants, reducing leaf yellowing, and exhibiting improved plant physiological parameters such as increased rooting, improved leaves, disease resistance, and increased crop greenness, thereby providing nutrient-rich and fortified crops.

[0043] The compositions in the form of water-dispersible granules or liquid suspensions of the present invention also exhibit excellent physical properties such as suspension, dispersibility, fluidity, and wettability. Therefore, compared to applying the nutrients alone or commercial products, even when applied at a reduced application dose, the compositions exhibit excellent field efficacy. Summary of the Invention

[0044] The present invention relates to a crop nutrition fortification composition comprising an effective amount of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; and one or more excipients. Specifically, the crop nutrition fortification composition comprises fine particles having a size range of 0.1 to 50 microns, and wherein the total content of water-soluble salts or their derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition.

[0045] Therefore, it is necessary to apply macronutrients and micronutrients in forms and amounts that can be absorbed and utilized in a timely manner. More specifically, the crop nutrition and fortification composition comprises elemental sulfur accounting for 5% to 90% of the total weight of the composition; elemental magnesium accounting for 0.1% to 40% of the total weight of the composition; elemental potassium accounting for 0.1% to 40% of the total weight of the composition; elemental iron accounting for 0.1% to 45% of the total weight of the composition; and elemental zinc accounting for 0.1% to 45% of the total weight of the composition.

[0046] According to one embodiment, the composition is solid, liquid, gel, or paste. According to one embodiment, the composition is water-dispersible granules, liquid suspension, or water-disintegrating granules.

[0047] According to one embodiment, the present invention relates to a method for preparing a crop nutrition fortification composition in the form of water-dispersible granules, water-disintegrating granules, or liquid suspension.

[0048] According to another embodiment, the present invention relates to a method for treating plants, seeds, crops, plant propagation materials, planting sites, their parts, or soil with a crop nutrition fortification composition.

[0049] It has been observed that the crop nutrient - fortified composition of the present invention can promote the balanced absorption of all nutrients by crops or plants, overcoming the nutrient antagonism phenomenon existing in traditional multi - nutrient compositions. More surprisingly, the use of this composition can promote plant growth in various types of soil, increase nutrient yields, and improve soil health. As a nutrient - efficient composition, this composition meets the needs of crops by providing a multi - nutrient solution and increasing the absorption rate of crops.

[0050] In addition, the composition of the present invention reduces the need for excessive application of traditional NPK fertilizers and avoids disadvantages such as nitrate leaching and nitrous oxide emissions associated with the excessive use of NPK fertilizers.

[0051] 1. Description of the Invention:

[0052] When describing the embodiments of the present invention, specific terms are selected for clarity. However, the present invention is not limited to the specific terms selected, and it should be understood that these specific terms cover all technical equivalents that operate in a similar manner to achieve similar purposes. It should be understood that any numerical range described herein covers all included sub - ranges. In addition, unless otherwise specified, the percentages of components in the composition are expressed as weight percentages.

[0053] As used in this specification and the following claims, the meanings of "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. In addition, as used in this specification, the meaning of "in" includes "in" and "on" unless the context clearly dictates otherwise.

[0054] The grouping of alternative elements or embodiments of the invention disclosed herein should not be considered limiting. Each member of the group can be cited and claimed individually, or in any combination with other members of the group or other elements found herein. For reasons of convenience and / or patentability, one or more members of the group can be incorporated into or removed from the group.

[0055] Terms such as "comprising", "including", "having", "containing", "involving", etc. used herein should be understood as open - ended, i.e., including but not limited to. "Preferred" and "preferably" refer to embodiments of the present invention that may bring certain benefits in certain cases.

[0056] In any of the aspects or embodiments described below, the term "comprising" can be replaced with "consisting of", "consisting essentially of", or "substantially consisting of". In these aspects or embodiments, the described composition includes or comprises or consists of or consists essentially of or substantially consists of the specific components described herein, excluding other ingredients or excipients not specifically listed herein.

[0057] As used herein, the term "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic associated with that embodiment is included in at least one embodiment. Thus, the phrases "in one embodiment" or "in an embodiment" that appear throughout this specification do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0058] In some embodiments, numbers used to describe and claim certain embodiments of the present invention that represent the amount of a component, properties (such as concentration), etc. should be understood to be modified by the term "about" in certain cases. Thus, in some embodiments, the numerical parameters set forth in the written description are approximations and may vary depending on the properties desired to be obtained in a particular embodiment. In some embodiments, the interpretation of the numerical parameters should take into account the number of significant digits reported and apply conventional rounding techniques. Although the numerical ranges and parameters setting forth the broad scope of certain embodiments of the present invention are approximations, the numerical values recited in the specific embodiments are reported as precisely as possible.

[0059] The recitation of numerical ranges herein is only for convenience and each numerical value within the recited range is separately incorporated into this specification as if it were individually recited herein, unless otherwise indicated herein.

[0060] Unless otherwise indicated herein or clearly contradicted by context, all methods described herein can be performed in any suitable order. Any and all examples or exemplary language (e.g., "such as") provided herein for certain embodiments are only intended to better illustrate the present invention and do not limit the scope of the invention claimed. Any language in the specification should not be construed as indicating any element essential to the practice of the invention that is not expressly claimed.

[0061] Granules mainly refer to solid granules. Granules mainly refer to water-dispersible granules, water-disintegrating granules, extruded granules, spheronized granules or pellets. As used herein, "GR" refers to water-disintegrating granules, which can be extruded granules, spheronized granules, broadcast granules or pellets.

[0062] As used herein, "WG" or "WDG" refers to water-dispersible granules, which are defined as preparations that can be rapidly dispersed or dissolved in water to form a fine particle suspension. Water-dispersible granules are formed by mixing ground nutrients with surfactants and other formulation excipients and aggregating them into small, easily metered granules, and these excipients will disperse into finer / primary particles when added to water. Water-dispersible granules can be obtained by spray drying or extrusion processes.

[0063] "Suspension" encompasses "aqueous suspension" or "aqueous dispersion" or "suspension concentrate (SC)" or "suspension emulsion" or "liquid suspension" compositions. A suspension is defined as a composition in which solid particulate agents are dispersed or suspended in a liquid. The liquid as the carrier can be water and / or water-soluble solvents. Water-soluble solvents are environmentally safe.

[0064] Water-disintegrating granular agents (GR) refer to granular compositions composed of agglomerated granular agents, which are usually hard in texture and not easily broken or fragmented. These granular agents will disintegrate or break into individual granular agents after contacting sufficient water or soil moisture and release nutrients over a long period of time.

[0065] "Elemental Sulphur" used in this specification refers to elemental sulfur (S°). This term includes allotropes of elemental sulfur, such as plastic (amorphous) sulfur, monoclinic sulfur, rhombic sulfur composed of S8 molecules, and other cyclic molecules, such as S7 and S12. This term also includes sulfur produced through the processing and refining of petrochemical products. This term also includes "biological sulfur". This term also includes elemental sulfur produced through microbial processes.

[0066] The term "derivative" used in this application shall encompass minerals and ores containing potassium, magnesium, zinc, iron, boron, trace elements (such as selenium or vanadium), as well as copper and magnesium. The term "derivative" shall also encompass compounds capable of obtaining potassium, magnesium, zinc, iron, boron, trace elements (such as selenium or vanadium), as well as copper and magnesium in a plant-absorbable form.

[0067] The term "plant" refers to all physical parts of a plant, including seeds, seedlings, saplings, roots, tubers, stems, stalks, leaves, and fruits. The term "plant" includes genetically modified plants and non-genetically modified plants.

[0068] The term "plant site" used herein is intended to encompass the location where a plant grows, the sowing location of plant propagation materials, or the location where plant propagation materials will be placed in the soil.

[0069] The term "plant propagation material" shall be understood as the reproductive parts of a plant, such as seeds, plant growth materials (such as cuttings or tubers), roots, fruits, tubers, bulbs, rhizomes and their parts, germinated plants, and seedlings to be transplanted after germination or emergence. These seedlings can be protected by total or partial immersion treatment before transplantation.

[0070] The particle size of the composition is defined as the particle size of the composition in the form of water-dispersible granular agents (WG) or water suspension (SC) or water-disintegrating granular agents, overall including sulfur, potassium salts, magnesium salts, zinc salts, iron salts, and excipients.

[0071] D50 is the particle size corresponding to a cumulative percentage of 50%. D50 is also known as the median particle diameter, median particle size, or average particle size, indicating that, based on all particles, on average 50% of the particles are smaller than a determined size.

[0072] D90 is used to represent the particle size distribution, indicating that, based on all particles, on average 90% of the particles are smaller than a determined size. D90 is also the particle size corresponding to a cumulative percentage of 90%.

[0073] The term "GHG" used in this application encompasses greenhouse gases.

[0074] Nutrient use efficiency (NUE) is an indicator for measuring the degree of a plant's utilization of available mineral nutrients. Improving NUE is a necessary prerequisite for expanding crop production to marginal lands with insufficient nutrient supply and is also a way to reduce the use of inorganic fertilizers.

[0075] "Quick release" or "instant release" or "instantaneous dispersion" are used interchangeably and apply to granule agents that rapidly disperse and dissolve to release nutrient components.

[0076] A mixture refers to a combination of two or more substances that have not undergone a chemical reaction. A homogeneous mixture refers to a mixture with a uniform overall composition. It refers to a mixture with a constant overall composition or a uniform distribution of constituent components.

[0077] The present invention relates to a composition for crop nutrition or fortification, which comprises effective amounts of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures, and one or more excipients accounting for 0.1% to 60% of the total weight of the composition, wherein the composition comprises: elemental sulfur accounting for 5% to 90% of the total weight of the composition; an elemental potassium content accounting for 0.1% to 40% of the total weight of the composition; an elemental magnesium content accounting for 0.1% to 40% of the total weight of the composition; an elemental iron content accounting for 0.1% to 45% of the total weight of the composition; an elemental zinc content accounting for 0.1% to 45% of the total weight of the composition. In one embodiment, the crop nutrition and fortification composition is in the form of a homogeneous mixture.

[0078] More specifically, the present composition is used for crop nutrition and fortification. It contains fine particles with a size range of 0.1 - 50 microns, wherein the total content of water-soluble salts, derivatives or mixtures does not exceed 80% of the total weight of the composition, and it exhibits improved physical properties in terms of dispersibility, suspension, viscosity, spontaneous dispersibility and pourability. Even when the application rate is reduced, the present composition shows excellent field efficacy. In addition, the present composition is also observed to be able to prevent the leaching of these nutrients and maximize their absorption by the crops, thereby increasing the total yield.

[0079] More specifically, the total content of water-soluble salts, derivatives or mixtures contained in the crop nutrition and fortification composition does not exceed 70% of the total weight of the composition.

[0080] More specifically, the total content of water-soluble salts, derivatives or mixtures contained in the crop nutrition and fortification composition does not exceed 60% of the total weight of the composition.

[0081] More specifically, the total content of water-soluble salts, derivatives or mixtures contained in the crop nutrition and fortification composition does not exceed 50% of the total weight of the composition.

[0082] The crop nutrition or fortification composition contains: elemental sulfur in the range of 5% to 90% w / w of the total weight of the composition; magnesium salts or their derivatives or mixtures in the range of 1% to 75% w / w of the total weight of the composition; potassium fertilizers, potassium salts or their derivatives or mixtures in the range of 1% to 55% w / w of the total weight of the composition; iron salts or their derivatives or mixtures in the range of 0.1% to 60% w / w of the total weight of the composition; and zinc salts or their derivatives or mixtures in the range of 0.1% to 55% w / w of the total weight of the composition.

[0083] According to one embodiment, the crop nutrition fortification composition is in solid, liquid or gel form. The solid composition is in one form of water-dispersible granules, broadcast granules, extruded granules, wettable powders or water-disintegrating granules. According to one embodiment, the crop nutrition fortification composition is water-dispersible granules or water-disintegrating granules.

[0084] According to one embodiment, the crop nutrition fortification composition is in the form of a liquid suspension.

[0085] According to one embodiment, the crop nutrition fortification composition is in the form of water-dispersible granules or water-disintegrating granules, which contains:

[0086] i. Elemental sulfur; wherein the content of elemental sulfur is 5% to 90% of the total weight of the composition;

[0087] ii. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; wherein the elemental magnesium content is 0.1% to 40% of the total weight of the composition;

[0088] iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; wherein the elemental potassium content is 0.1% to 40% of the total weight of the composition;

[0089] iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; wherein the elemental iron content is 0.1% to 45% of the total weight of the composition;

[0090] v. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; wherein the elemental zinc content is 0.1% to 45% of the total weight of the composition; and

[0091] vi. One or more excipients, the content of which is 0.1% to 60% of the total weight of the composition.

[0092] Wherein, the composition comprises fine particles in the size range of 0.1 - 50 microns, and wherein the total content of water-soluble salts or their derivatives or mixtures in the composition does not exceed 80% of the total weight of the composition.

[0093] According to another embodiment, the size range of the water-dispersible granules is 0.05 mm to 4 mm. According to another embodiment, the size range of the water-dispersible granules is 0.05 mm to 3 mm. According to another embodiment, the size range of the water-dispersible granules is 0.05 mm to 2 mm. According to another embodiment, the size range of the water-dispersible granules is 0.05 mm to 1.5 mm.

[0094] According to another embodiment, the size range of the water-disintegrating granules is 0.05 mm to 6 mm. According to another embodiment, the size range of the water-disintegrating granules is 0.05 mm to 5 mm. According to another embodiment, the size range of the water-disintegrating granules is 0.05 mm to 4 mm. According to another embodiment, the size range of the water-disintegrating granules is 0.05 mm to 3.5 mm.

[0095] According to one embodiment, the composition in the form of water-dispersible granules comprises fine particles with a particle size in the range of 0.1 micron to 30 microns. According to one embodiment, the composition in the form of water-dispersible granules comprises fine particles with a particle size in the range of 0.1 micron to 25 microns. According to one embodiment, the composition in the form of water-dispersible granules comprises fine particles with a particle size in the range of 0.1 micron to 20 microns. According to one embodiment, the composition in the form of water-dispersible granules comprises fine particles with a particle size in the range of 0.1 micron to 15 microns.

[0096] According to another embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule of the present invention comprises fine particles having a D90 diameter distribution of about 20 microns. According to another embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule of the present invention comprises fine particles having a D90 diameter distribution of about 10 microns.

[0097] According to another embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule of the present invention comprises fine particles having a D50 diameter distribution of about 10 microns. According to another embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule of the present invention comprises fine particles having a diameter distribution of less than 1 micron.

[0098] According to one embodiment, the composition in the form of a water-disintegrating granule comprises fine particles having a size range of 0.1 micron to 50 microns. According to one embodiment, the composition in the form of a water-disintegrating granule comprises fine particles having a size range of 0.1 micron to 40 microns. According to one embodiment, the composition in the form of a water-disintegrating granule comprises fine particles having a size range of 0.1 micron to 30 microns.

[0099] According to another embodiment, the crop nutrition and fortification composition in the form of a water-disintegrating granule of the present invention comprises fine particles having a D90 diameter distribution of about 30 microns. According to another embodiment, the crop nutrition and fortification composition in the form of a water-disintegrating granule of the present invention comprises fine particles having a D90 diameter distribution of about 20 microns.

[0100] It was further observed that when the crop nutrition fortification composition of the present invention is formulated into a water-dispersible granule or suspension with a specific fine particle size of 0.1 micron to 30 microns, or a water-disintegrating granule with a size range of 0.1 micron to 50 microns, nutrients such as sulfur, magnesium, potassium, zinc, and iron can be more easily absorbed by plants, thereby increasing the total yield. Therefore, the size range of 0.1 micron to 50 microns of the crop nutrition fortification composition is important not only in terms of the simplicity of the invention but also in terms of its efficacy.

[0101] The composition of the present invention meets the nutritional requirements of crops or plants by providing balanced absorption of essential nutrients such as potassium, sulfur, magnesium, and micronutrients such as zinc and iron. More surprisingly, the use of this composition can make plants healthier, able to resist pests and diseases, increase nutrient yields in all soil types, and ultimately improve the overall health of the soil. The composition of the present invention is a highly efficient nutrient utilization composition that, by providing a multi-nutrient solution, increases the absorption rate of crops after a single application while meeting the needs of the crops.

[0102] According to another embodiment, the content range of each nutrient is kept broad based on local soil requirements, soil type, previous fertilization practices, and crop requirements. Many times, we select a specific formulation within a specific nutrient range, such as sulfur, potassium, or magnesium, at a higher or lower level within that range to address soil pH issues and achieve the target yield. Many times, we increase the nutrient dosage according to the application stage of the product. Therefore, nutrient ranges outside those recited or described in the claims are within the scope of the present invention.

[0103] According to one embodiment, the crop nutrition or fortification composition comprises elemental sulfur in the range of 5% to 90% w / w; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures in the range of 1% - 75% w / w of the total weight of the composition; one or more water-insoluble or water-soluble potassium fertilizers, potassium salts or derivatives or their mixtures in the range of 1% - 55% w / w of the total weight of the composition; one or more water-insoluble or water-soluble iron salts or derivatives or their mixtures in the range of 0.1% - 60% w / w of the total weight of the composition; and one or more water-insoluble or water-soluble zinc salts or derivatives or their mixtures in the range of 0.1% - 55% w / w of the total weight of the composition, wherein the composition is in the form of a water-dispersible granule or a water-disintegrating granule.

[0104] According to one embodiment, the composition in the form of a water-dispersible granule or a water-disintegrating granule contains no more than 80% of the total weight of the composition of water-soluble salts, derivatives or mixtures. According to one embodiment, the composition in the form of a water-dispersible granule or a water-disintegrating granule contains no more than 70% of the total weight of the composition of water-soluble salts, derivatives or mixtures. According to one embodiment, the composition in the form of a water-dispersible granule or a water-disintegrating granule contains no more than 60% of the total weight of the composition of water-soluble salts, derivatives or mixtures. According to another embodiment, the composition in the form of a water-dispersible granule or a water-disintegrating granule contains no more than 50% of the total weight of the composition of water-soluble salts, derivatives or mixtures.

[0105] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental sulfur in the composition is from 10% w / w to 90% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental sulfur in the composition is from 20% w / w to 90% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental sulfur in the composition is from 20% w / w to 70% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental sulfur in the composition is from 20% w / w to 50% w / w of the total weight of the composition.

[0106] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental potassium in the composition is from 0.1% w / w to 35% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental potassium in the composition is from 0.1% w / w to 30% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental potassium in the composition is from 0.1% w / w to 20% w / w of the total weight of the composition.

[0107] According to another embodiment, when the composition is in the form of a water-dispersible granule, the concentration range of elemental magnesium in the composition is from 0.1% w / w to 35% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule, the concentration range of elemental magnesium in the composition is from 0.1% w / w to 30% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule, the concentration range of elemental magnesium in the composition is from 0.1% w / w to 25% w / w of the total weight of the composition.

[0108] According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental iron in the composition is from 0.1% w / w to 40% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental iron in the composition is from 0.1% w / w to 30% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental iron in the composition is from 0.1% w / w to 25% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental iron in the composition is from 0.1% w / w to 20% w / w of the total weight of the composition.

[0109] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental zinc in the composition is from 0.1% w / w to 40% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental zinc in the composition is from 0.1% w / w to 30% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental zinc in the composition is from 0.1% w / w to 25% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the concentration range of elemental zinc in the composition is from 0.1% w / w to 20% w / w of the total weight of the composition.

[0110] According to one embodiment, the crop nutrition and fortification composition in the form of a liquid suspension comprises:

[0111] i. elemental sulfur, accounting for 5% to 60% of the total weight of the composition;

[0112] ii. one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; wherein the elemental magnesium content accounts for 0.1% to 30% of the total weight of the composition;

[0113] iii. one or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; wherein the elemental potassium content accounts for 0.1% to 20% of the total weight of the composition;

[0114] iv. one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; wherein the elemental iron content accounts for 0.1% to 30% of the total weight of the composition;

[0115] v. one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; wherein the elemental zinc content is 0.1% to 40% of the total weight of the composition; and

[0116] vi. one or more excipients, with a content of 0.1% to 60% of the total weight of the composition;

[0117] wherein, the composition comprises fine particles with a size range of 0.1 - 30 microns, and wherein the water-soluble salts or their derivatives or mixtures comprised in the composition do not exceed 50% of the total weight of the composition.

[0118] A crop nutrition or fortification composition in the form of a liquid suspension comprises: elemental sulfur in the range of 5% to 90% w / w of the total weight of the composition, a magnesium salt or its derivatives or mixtures in the range of 0.5% - 55% w / w of the total weight of the composition; a potassium fertilizer, potassium salt or its derivatives or mixtures in the range of 0.1% - 30% w / w of the total weight of the composition; an iron salt or its derivatives or mixtures in the range of 0.1% - 35% w / w of the total weight of the composition; and a zinc salt or its derivatives or mixtures in the range of 0.1% - 45% w / w of the total weight of the composition.

[0119] According to one embodiment, the composition in the form of a liquid suspension comprises no more than 40% of the total weight of the composition of water-soluble salts, derivatives or mixtures. According to another embodiment, the composition in the form of a liquid suspension comprises no more than 30% of the total weight of the composition of water-soluble salts, derivatives or mixtures. According to another embodiment, the composition in the form of a liquid suspension comprises no more than 20% of the total weight of the composition of water-soluble salts, derivatives or mixtures.

[0120] According to one embodiment, the composition in the form of a liquid suspension comprises fine particles in the size range of 0.1 micrometers to 25 micrometers. According to one embodiment, the composition in the form of a liquid suspension comprises fine particles in the size range of 0.1 micrometers to 20 micrometers. According to one embodiment, the composition in the form of a liquid suspension comprises fine particles in the size range of 0.1 micrometers to 15 micrometers.

[0121] According to another embodiment, the crop nutrition and fortification composition of the present invention in the form of a liquid suspension comprises fine particles with a D90 diameter distribution of approximately 20 micrometers. According to another embodiment, the crop nutrition and fortification composition of the present invention in the form of a liquid suspension comprises fine particles with a D90 diameter distribution of approximately 10 micrometers.

[0122] According to another embodiment, the crop nutrition and fortification composition of the present invention in the form of a liquid suspension comprises fine particles with a D50 diameter distribution of approximately 10 micrometers. According to another embodiment, the crop nutrition and fortification composition of the present invention in the form of a liquid suspension comprises fine particles with an average diameter distribution of less than 1 micrometer.

[0123] According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental sulfur in the composition is from 5% w / w to 50% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental sulfur in the composition is from 5% w / w to 40% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental sulfur in the composition is from 5% w / w to 30% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental sulfur in the composition is from 5% w / w to 20% w / w of the total weight of the composition.

[0124] According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental potassium in the composition is from 0.1% w / w to 15% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental potassium in the composition is from 0.1% w / w to 10% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental potassium in the composition is from 0.1% w / w to 5% w / w of the total weight of the composition.

[0125] According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental magnesium in the composition is from 0.1% w / w to 25% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental magnesium in the composition is from 0.1% w / w to 15% w / w of the total weight of the composition.

[0126] According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental iron in the composition is from 0.1% w / w to 25% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental iron in the composition is from 0.1% w / w to 20% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental iron in the composition is from 0.1% w / w to 15% w / w of the total weight of the composition.

[0127] According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental zinc in the composition is from 0.1% w / w to 40% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental zinc in the composition is from 0.1% w / w to 30% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental zinc in the composition is from 0.1% w / w to 20% w / w of the total weight of the composition. According to another embodiment, when the composition is in the form of a liquid suspension, the concentration range of elemental zinc in the composition is from 0.1% w / w to 15% w / w of the total weight of the composition.

[0128] According to another embodiment, the magnesium salt includes, but is not limited to, one or more of the following: magnesium oxide, magnesium hydroxide (milk of magnesia), magnesium molybdate, magnesium phosphate, calcium magnesium phosphate, trimagnesium phosphate, magnesium carbonate, magnesium silicate, magnesium trisilicate, magnesium aluminum silicate, calcium magnesium silicate; magnesium ammonium phosphate, magnesium humate, magnesium fulvate, magnesium oxalate, magnesium tartrate, magnesium sulfide or its derivatives or mixtures. However, those skilled in the art should understand that other magnesium salts or their derivatives can be used without departing from the scope of the present invention.

[0129] According to another embodiment, the water-soluble magnesium salts include magnesium sulfate, magnesium nitrate, magnesium lignosulfonate, magnesium gluconate, magnesium glycinate, magnesium lactate, magnesium aspartate, magnesium ascorbate, magnesium acetate, and magnesium citrate. However, those skilled in the art should understand that other magnesium salts or their derivatives can also be used without departing from the scope of the present invention.

[0130] According to one embodiment, the magnesium derivatives in the composition include minerals or ores. These ores include magnesium-containing ores, but are not limited to periclase, brucite, sellaite, inderite, szaibelyite, suanite, magnesite, benitoite, kieserite, dolomite, hydrated dolomite, and struvite. However, those skilled in the art should understand that other magnesium-containing minerals can also be used without departing from the scope of the present invention.

[0131] According to one embodiment, the composition of the present invention comprises a water-insoluble magnesium salt.

[0132] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the magnesium salt or its derivative or mixture is 1% to 65% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the magnesium salt or its derivative or mixture is 1% to 60% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the magnesium salt or its derivative or mixture is 1% to 55% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the magnesium salt or its derivative or mixture accounts for 1% to 40% w / w of the total weight of the composition.

[0133] According to one embodiment, when the composition is in the form of a liquid suspension, the content of the magnesium salt or its derivative or mixture is 1% to 45% w / w of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the content of the magnesium salt or its derivative or mixture is 1% to 25% w / w of the total weight of the composition.

[0134] According to one embodiment, the potash fertilizer or potassium salt or derivative includes: potassium chloride; potassium magnesium sulfate; potassium nitrate; sodium potassium nitrate; potassium hydroxide; potassium carbonate; potassium orthophosphate; potassium polyphosphate; potassium phosphate; potassium metaphosphate; potassium sulfate; potassium magnesium sulfate; potassium chloride; potassium ore; bittern potassium salt (KCl(+NaCl+MgSO4)); plant ash and wood ash (K2CO3+KHCO3) and seaweed ash (KCl+K2SO4); potassium fulvate; potassium humate; potassium ore powder or its derivative or mixture. However, those skilled in the art should understand that other potassium salts and their derivatives can be used without departing from the scope of the present invention.

[0135] According to one embodiment, the potassium derivatives in the composition include minerals or ores. These ores include potassium-containing ores, but are not limited to: Schoenite or Picromerite; feldspar; orthoclase; Sylvite; carnallite; Kainite; polyhalite or syngenite or kainite; leucite; sodalite; Gengenbachite; Haigerachite; Lepidolite; Hazenite; Kosnarite; Langbeinite; Leucophosphite; Lipuite; Manganoarrojadite; Mantienneite; Minyulite; Parwanite; Phosphofibrite; Sylvinite; Taranakite; Tinsleyite. However, those skilled in the art should understand that other potassium-containing minerals can be used without departing from the scope of the present invention.

[0136] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of potassium fertilizer, potassium salt, potassium derivative or potassium mixture is 1% to 45% w / w of the total amount of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of potassium fertilizer, potassium salt, potassium derivative or potassium mixture is 1% to 35% w / w of the total amount of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of potassium fertilizer, potassium salt, potassium derivative or potassium mixture is 1% to 25% w / w of the total amount of the composition.

[0137] According to one embodiment, when the composition is in the form of a liquid suspension, the content of potassium fertilizer, potassium salt, or its derivative or mixture is 0.1% to 25% w / w of the total amount of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the content of potassium fertilizer, potassium salt, or its derivative or mixture is 1% to 20% w / w of the total amount of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the content of potassium fertilizer, potassium salt, or its derivative or mixture is 1% to 15% w / w of the total amount of the composition.

[0138] According to another embodiment, the iron salt or derivative includes, but is not limited to, one or more of the following: iron oxide, iron hydroxide, iron phosphate, iron fumarate, iron succinate, iron sulfide, iron tartrate, iron saccharate, iron carbonyl, iron silicate, iron carbonate; ferrous oxalate (anhydrous), ferrous oxalate (dihydrate) or its derivatives or mixtures. Iron oxide includes, but is not limited to, ferrous oxide (FeO) or iron oxide, iron(III) oxide (Fe2O3) or iron oxide red, and iron(II,III) oxide (Fe3O4) or iron oxide black. Iron hydroxide includes, but is not limited to, iron hydroxide, iron oxide yellow (FeOOH), iron(III) hydroxide (Fe(OH)3), iron(III) hydroxide, hydroxy iron oxide and limonite. Iron phosphate includes, but is not limited to, ferrous phosphate (II), iron phosphate, iron phosphate dihydrate, iron phosphate hydrate, iron glycerophosphate, ferrous pyrophosphate and iron pyrophosphate. Iron fumarate includes, but is not limited to, ferrous fumarate and iron fumarate. Iron succinate includes, but is not limited to, ferrous succinate and ferrous succinate (II) salt. However, those skilled in the art should understand that other iron salts, their derivatives or mixtures can be used without departing from the scope of the present invention.

[0139] According to another embodiment, the water-soluble iron salt or derivative includes one or more of iron sulfate, iron citrate, iron silicate, iron ascorbate, iron sucrose, iron gluconate, iron dextran, iron lignosulfonate and iron chelates. However, those skilled in the art should understand that other iron salts, their derivatives or mixtures can be used without departing from the scope of the present invention.

[0140] According to another embodiment, the iron derivative in the composition includes minerals or ores. The ores include iron-containing ores, but are not limited to Roaldite, wüstite, magnetite, hematite, goethite, limonite, siderite, pyrite or marcasite, ferrihydrite, chamosite. However, those skilled in the art should understand that other iron minerals can also be used without departing from the scope of the present invention.

[0141] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the iron salt or its derivative or mixture is 0.1% to 50% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the iron salt or its derivative or mixture is 0.1% to 40% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the iron salt or its derivative or mixture is 0.1% to 35% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the iron salt or its derivative or mixture is 0.1% to 25% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the iron salt or its derivative or mixture is 0.1% to 20% of the total weight of the composition.

[0142] According to one embodiment, when the composition is in the form of a liquid suspension composition, the content of the iron salt or its derivative or mixture is 0.1% to 30% of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension composition, the content of the iron salt or its derivative or mixture is 0.1% to 20% of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension composition, the content of the iron salt or its derivative or mixture is 0.1% to 15% of the total weight of the composition.

[0143] According to another embodiment, the water-insoluble zinc salt or derivative includes zinc oxide, zinc hydroxide, zinc chromate, zinc nitride, zinc carbonate, zinc sulfide, zinc molybdate, zinc nitrilotriacetate (nta), zinc phosphate, zinc phosphide, zinc borate, zinc silicate, zinc pyrophosphate, zinc humate, zinc selenide, zinc telluride, zinc fulvate, zinc citrate, zinc oxalate, zinc monomethionine, zinc carnosine, and zinc aspartate, or its derivative or mixture. However, those skilled in the art should understand that other zinc salts can be used without departing from the scope of the present invention.

[0144] According to another embodiment, the water-soluble zinc salt or derivative includes: zinc sulfate, zinc sulfate monohydrate, zinc sulfate heptahydrate, zinc chelate, basic zinc sulfate, zinc chloride, zinc eugenol chelate, zinc glycinate, zinc carbohydrate, zinc sucrose, zinc acetate, zinc gluconate, zinc polyphenol, zinc glucoheptonate, zinc phenol, and zinc lignosulfonate. However, those skilled in the art should understand that other zinc salts, their derivatives, or mixtures can be used without departing from the scope of the present invention.

[0145] According to another embodiment, the zinc derivative in the composition includes minerals or ores. The ores include zinc-containing ores, but are not limited to: calamine, smithsonite, periclase, sphalerite, wurtzite, hydrozincite, bryanite, hemimorphite, smithsonite, becherite, aurichalcite, hopeite, hodgkinsonite, frypanite, junitoite, enstatite, chalcocite, spangolite, enstatite, ekandruite, bayleyite, poilite, and tetrahedrite. However, those skilled in the art should understand that other zinc-containing minerals can also be used without departing from the scope of the present invention.

[0146] According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the zinc salt, its derivative, or their mixture is 0.1% to 45% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the zinc salt, its derivative, or their mixture is 0.1% to 35% of the total weight of the composition. According to one embodiment, when the composition is in the form of a water-dispersible granule or a water-disintegrating granule, the content of the zinc salt, its derivative, or their mixture is 0.1% to 25% of the total weight of the composition.

[0147] According to one embodiment, when the composition is in the form of a liquid suspension, the content of the zinc salt, its derivative, or their mixture is 0.1% to 30% of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the content of the zinc salt, its derivative, or their mixture is 0.1% to 20% of the total weight of the composition. According to one embodiment, when the composition is in the form of a liquid suspension, the content of the zinc salt, its derivative, or their mixture is 0.1% to 15% of the total weight of the composition.

[0148] According to one embodiment, the crop nutrition and fortification composition contains water-insoluble iron salts and water-insoluble zinc salts.

[0149] In one embodiment, the crop nutrition and fortification composition further contains one or more excipients selected from one or more of surfactants, emulsifiers, wetting agents, dispersants, fillers, carriers, diluents, spreading agents, colorants, anticaking agents, binders, buffers, pH regulators, neutralizing agents, pigments, stabilizers, defoaming agents, antifoaming agents, penetrants, structuring agents, humectants, adhesives, antifreezing agents, freezing point inhibitors, chelating agents, complexing agents, polyvalent chelating agents, preservatives, fungicides, antifungal agents or biocides, antimicrobial agents or antioxidants.

[0150] According to one embodiment, the concentration range of the excipient is 0.01% to 60% of the total weight of the composition. According to one embodiment, the concentration range of the excipient is 0.1% to 60% of the total weight of the composition. According to one embodiment, the concentration range of the excipient is 0.1% to 50% of the total weight of the composition.

[0151] According to one embodiment, the excipients used in the crop nutrient composition include one or more of a surfactant, an emulsifier, a wetting agent, and a dispersing agent.

[0152] According to one embodiment, the surfactant used in the composition includes one or more of an anionic surfactant, a nonionic surfactant, and a polymeric surfactant.

[0153] Anionic surfactants include, but are not limited to, one or more of the following: fatty acid salts, polycarboxylates, alkyl ether sulfates, alkyl sulfates, alkaryl sulfates, alkaryl sulfonates, aryl sulfonates, lignosulfonates, alkyl diphenyl ether disulfonates, polystyrene sulfonates, alkyl phosphate salts, alkaryl phosphates, styrylaryl phosphates, polyoxyethylene alkyl ether sulfate salts, sodium α-olefin sulfonates, alkylbenzene sulfonates or their salts, sodium lauroyl sarcosinate, sulfosuccinates, polyacrylates, alkyl ether phosphates, polyoxyethylene alkylaryl phosphate salts, mono- and diesters of sulfosuccinic acid, phosphate esters, isopropyl / butyl derivatives of alkylnaphthalene sulfonates, alkaryl ether phosphates, polyoxyethylene aryl ether phosphate salts, monoalkyl sulfosuccinates, aromatic hydrocarbon sulfonates, ammonium lauryl sulfate, soaps, soap substitutes, sodium alkyl sulfate, sodium dodecyl sulfate (SDS), sodium dodecylbenzene sulfonate (SDBS), sodium laurate, sodium lauryl ether sulfate (SLES), sodium nonanoyloxybenzenesulfonate, alkyl carboxylates, sodium stearate, α-olefin sulfonates, naphthalene sulfonates, fatty acid salts of alkylnaphthalene sulfonic acid, sodium salts of naphthalene sulfonic acid condensates, fatty alcohol sulfates, sodium salts of naphthalene sulfonic acid condensates, salts or derivatives of naphthalene sulfonic acid-formaldehyde condensates or alkylnaphthalene sulfonic acid-formaldehyde condensates. However, those skilled in the art should understand that other anionic surfactants may also be used without departing from the scope of the present invention.

[0154] Nonionic surfactants or polymeric surfactants include one or more, but are not limited to: polyol esters, polyol fatty acid esters, ethoxylated and propoxylated fatty alcohols, EO and PO block copolymers, diblock and triblock copolymers; polysorbates, alkyl polysaccharides, polyethylene glycols, sorbitol derivatives, sorbitan fatty acid esters (Span) and their ethoxylated derivatives (Tween), coconut monoethanolamide (MEA), decyl narrow-chain ethoxylates, oleyl alcohol, PEG-10, polysorbate 20, polysorbate 80, sorbitan, sorbitan monolaurate, sorbitan monostearate, sorbitan tristearate, stearyl alcohol, ethoxylated castor oil, polyethylene glycol ethers, ethylene oxide and propylene oxide adducts, polyoxyethylene sorbitan, polyglycerol fatty acid esters, polyoxyethylene alkyl ethers, polyoxyethylene alkyl aryl ethers, polyoxyethylene styryl aryl ethers, polyoxyethylene alkyl ethers, C6 to C16 / 18 alcohol ethoxylates (linear and branched), alcohol alkoxylates (different hydrophobic groups and EO / PO contents and ratios), polyoxyethylene hydrogenated castor oil, its salts or derivatives. However, those skilled in the art should understand that different nonionic surfactants or polymeric surfactants can be used without departing from the scope of the present invention.

[0155] According to one embodiment, the content of the surfactant is 0.1% to 40% w / w of the total amount of the composition.

[0156] According to one embodiment, the content of the surfactant is 0.1% to 30% w / w of the total amount of the composition.

[0157] According to one embodiment, the dispersants used in the crop nutrient composition include, but are not limited to, nonionic dispersants selected from one or more of polyvinylpyrrolidone, polyvinyl alcohol, polyoxyethylene alkyl ethers, polyoxyethylene alkyl phenyl ethers, ethoxylated fatty acids, fatty alcohol ethoxylates, alkyl ethoxylates, EO-PO block and graft copolymers; however, those skilled in the art should understand that different nonionic dispersants can be used without departing from the scope of the present invention.

[0158] Anionic dispersants include one or more of triphenylvinylphenol ethoxylate phosphate, lignosulfonates, phenylnaphthalenesulfonates, alkali metal salts, alkylaryl sulfonates, alkyl sulfonates, mixtures of sodium salts of naphthalene sulfonic acid urea formaldehyde condensates and sodium salts of phenol sulfonic acid formaldehyde condensates, polycarboxylates, sodium alkylbenzene sulfonates, sodium sulfonated naphthalene, sodium naphthalene sulfonate formaldehyde condensates, condensation products of aromatic sulfonic acids and formaldehyde, polyaromatic sulfonates, sodium alkylaryl sulfonates, and sulfated lignin. However, those skilled in the art should understand that other anionic dispersants can also be used without departing from the scope of the present invention.

[0159] According to one embodiment, the content of the dispersant is 0.1%-40% w / w of the total amount of the composition. According to one embodiment, the content of the dispersant is 0.1%-30% w / w of the total amount of the composition.

[0160] According to one embodiment, the wetting agents used in the crop nutrient composition include, but are not limited to, one or more of the following: phenol naphthalene sulfonate, alkyl naphthalene sulfonate, sodium alkyl naphthalene sulfonate, sodium naphthalene sulfonate, dibutyl naphthalene sulfonic acid, alkyl aryl sulfonate, dioctyl sulfosuccinate, polyoxyethylated fatty alcohol, alkane sulfonate, alkyl benzene sulfonate, alkyl ether phosphate, alkyl ether sulfate, and monoalkyl sulfosuccinate, its salts or derivatives. However, those skilled in the art should understand that other wetting agents can also be used without departing from the scope of the present invention.

[0161] According to one embodiment, the content of the wetting agent is 0.1%-30% w / w of the total weight of the composition.

[0162] According to one embodiment, the carriers used in the crop nutrient composition include, but are not limited to, one or more solid carriers, fillers, or diluents. According to another embodiment, the carriers include mineral carriers, plant carriers, synthetic carriers, and water-soluble carriers. However, those skilled in the art should understand that different carriers can be used without departing from the scope of the present invention.

[0163] Solid carriers include natural minerals such as clay (such as kaolin clay, acid clay), kaolin (such as kaolinite, dickite, nacrite), synthetic and diatomaceous silica, mica (such as pyrophyllite), talc, silica (such as cristobalite and quartz) (such as attapulgite and sepiolite), vermiculite, synthetic hectorite, pumice, bauxite, hydrated alumina, perlite, sodium bicarbonate, limestone, natural and synthetic silicates, silica, surface-modified silica, zeolite, diatomaceous earth, loess, mirabilite, precipitated silica, slaked lime, synthetic silicic acid, starch, modified starch, cellulose, plant carriers (such as cellulose, rice husk, wheat flour, wood flour, starch, rice bran, wheat bran, and soybean flour), sodium caseinate, sucrose, salt cake, potassium pyrophosphate, sodium tripolyphosphate, or their derivatives or mixtures

[0164] According to one embodiment, the content of the carrier is 0.1% to 50% w / w of the composition. According to one embodiment, the content of the carrier is 0.1% to 30% w / w of the composition.

[0165] According to one embodiment, the defoamers or antifoaming agents used in the crop nutrient composition include, but are not limited to, one or more of silica, siloxane, silica, polydimethylsiloxane, alkyl polyacrylate, ethylene oxide / propylene oxide copolymer, silicone oil, and magnesium stearate or its derivatives. Preferred defoamers include silicone emulsions, long-chain alcohols, fatty acids, and fluorinated organic compounds. However, those skilled in the art should understand that different defoamers can be used without departing from the scope of the present invention.

[0166] According to one embodiment, the content of the defoamer is 0.01% to 20% w / w of the total weight of the composition.

[0167] According to one embodiment, the pH regulators, buffers, or neutralizing agents used in the composition include organic or inorganic acids and bases and their mixtures. According to another embodiment, the pH regulators, buffers, or neutralizing agents include, but are not limited to, one or more of the following: organic acids, inorganic acids, alkali metal compounds or their salts and derivatives. According to one embodiment, the organic acids include, but are not limited to, one or more of the following: citric acid, malic acid, adipic acid, fumaric acid, maleic acid, succinic acid, and tartaric acid, or their salts and derivatives, as well as monovalent, divalent, or trivalent salts of these acids or their derivatives. According to one embodiment, the inorganic acid salts include, but are not limited to, one or more of the following alkali metal salts: for example, sodium chloride, sodium nitrate, etc. Mixtures can also be used to formulate pH regulators, buffers, or neutralizing agents. However, those skilled in the art should understand that different pH regulators can be employed without departing from the scope of the present invention.

[0168] According to one embodiment, the content of the pH regulator or buffer is 0.01% to 20% w / w of the total weight of the composition.

[0169] According to one embodiment, the anti-caking agents used in the crop nutrient composition include, but are not limited to, one or more of the following: polysaccharides (such as starch, alginic acid, mannose, galactose); polyvinylpyrrolidone; fumed silica (white carbon black); ester gum; petroleum resin; Soap L sodium stearate; 700 polyoxyethylene (100) stearyl ether; sodium acetate; sodium metasilicate; sodium alkyl sulfosuccinate; sodium carbonate or sodium bicarbonate; and their salts or derivatives. However, those skilled in the art should understand that different anti-caking agents can be used without departing from the scope of the present invention.

[0170] According to one embodiment, the content of the anti-caking agent is 0.1% to 20% w / w of the total weight of the composition.

[0171] According to one embodiment, the spreading agents used in the composition include, but are not limited to, one or more of the following: copolymers of maleic acid and styrene compounds, (meth)acrylic acid copolymers, aliphatic alcohols, vegetable oils (such as cottonseed oil) or mineral oils, petroleum distillates, trisiloxanes, modified trisiloxanes or their derivatives. However, those skilled in the art should understand that different spreading agents can be used without departing from the scope of the present invention.

[0172] According to one embodiment, the content of the spreading agent is 0.01% to 20% w / w of the total weight of the composition.

[0173] According to one embodiment, the adhesives used in the composition include, but are not limited to, one or more of the following: paraffin wax, polyamide resin, polyacrylate, polyethylene oxide, wax, latex, polyvinylpyrrolidone, gums (such as xanthan gum), vegetable oils (such as cottonseed oil), mineral oils, petroleum fractions, modified trisiloxanes, polyethylene glycol, synthetic resin emulsions or their salts or derivatives. However, those skilled in the art should understand that different adhesives can be used without departing from the scope of the present invention.

[0174] According to one embodiment, the content of the adhesive is 0.01% to 30% w / w of the total weight of the composition.

[0175] According to one embodiment, the structuring agents used in the crop nutrient composition include, but are not limited to, one or more of the following: thickeners, viscosity modifiers, tackifiers, suspension aids, rheology modifiers or anti-settling agents. The structuring agents can prevent the nutrient granules from settling after long-term storage.

[0176] According to one embodiment, the structuring agents for the composition include, but are not limited to, one or more of the following substances: polyacrylic acids, polysaccharides, cellulose derivatives, cellulose derivative copolymers, polyvinyl alcohol and its derivatives; clays (such as kaolin, montmorillonite, attapulgite) and natural gums (such as guar gum, xanthan gum, gelatin, dextrin), fumed silica, a mixture of fumed silica and fumed alumina, swellable polymers, polyethylene glycol, stachyose, celluloses (such as hemicellulose, carboxymethyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxyethylpropyl cellulose, methylhydroxyethyl cellulose, methyl cellulose), plant starches (such as corn starch and potato starch). However, those skilled in the art should understand that different structuring agents can be used without departing from the scope of the present invention.

[0177] Preferred structuring agents include one or more of xanthan gum, aluminum silicate, hydroxypropyl methyl cellulose, carboxymethyl cellulose, methyl cellulose, polysaccharides, alkaline earth metal silicates, clays, gelatin and polyvinyl alcohol.

[0178] According to one embodiment, the content of the structurant is 0.01% to 20% w / w of the composition. According to one embodiment, the content of the structurant is 0.01% to 10% w / w of the composition. According to one embodiment, the content of the structurant is 0.01% to 5% w / w of the composition.

[0179] According to one embodiment, the antifreeze or freezing point depressant used in the composition includes but is not limited to one or more polyols, such as ethylene glycol, diethylene glycol, dipropylene glycol, propylene glycol, glycerol, monohydric or polyhydric alcohols, ethylene glycol ethers, glycerol. However, those skilled in the art should understand that different antifreezes can be used without departing from the scope of the present invention.

[0180] According to one embodiment, the content of the antifreeze or freezing point depressant is 0.01% to 30% w / w of the total weight of the composition.

[0181] According to one embodiment, the chelating agent, complexing agent or polyvalent chelating agent used in the composition includes but is not limited to one or more of the following: polycarboxylic acids, such as polyacrylic acid and various hydrolyzed poly(methyl vinyl ether / maleic anhydride); N-hydroxyethyliminodiacetic acid, nitrilotriacetic acid (NTA), N,N,N',N'-ethylenediaminetetraacetic acid, N-hydroxyethyl-N,N',N'-ethylenediaminetriacetic acid and N,N,N',N",N"-diethylenetriaminepentaacetic acid; α-hydroxy acids, such as citric acid, tartaric acid and gluconic acid; orthophosphates, disodium hydrogen phosphate, sodium dihydrogen phosphate; condensed phosphates, such as sodium tripolyphosphate, sodium pyrophosphate, sodium hexametaphosphate and sodium tetrapolyphosphate; ethylenediaminetetraacetic acid (EDTA), diethylenetriaminepentaacetic acid (DTPA), N-hydroxyethylethylenediaminetriacetic acid (HEDTA), ethylenediaminediacetic acid (EDDA), ethylenediaminebis(orthohydroxyphenylacetic acid) (EDDHA), cyclohexanediaminetetraacetic acid (CDTA), fulvic acid, humic acid, nucleic acids, cyclodextrin, humic acid, pyrophosphate. However, those skilled in the art should understand that other chelating agents can also be used without departing from the scope of the present invention.

[0182] According to one embodiment, the content of the chelating agent is 0.01% to 30% w / w of the total weight of the composition.

[0183] According to one embodiment, the penetrants used in the composition include, but are not limited to, one or more of the following: alcohols, diols, glycol ethers, esters, amines, alkanolamines, amine oxides, quaternary ammonium compounds, triglycerides, fatty acid esters, fatty acid ethers, N-methylpyrrolidone, dimethylformamide, dimethylacetamide, dimethyl sulfoxide, polyoxyethylene trimethylolpropane monooleate, polyoxyethylene sorbitan monooleate, polyoxyethylene trimethylolpropane dioleate, polyoxyethylene trimethylolpropane trioleate, polyoxyethylene sorbitol hexaoleate. However, those skilled in the art should understand that different penetrants can be used without departing from the scope of the present invention.

[0184] According to one embodiment, the content of the penetrant is 0.01% to 30% w / w of the total weight of the composition.

[0185] According to one embodiment, the humectants are selected from (but not limited to) one or more polyoxyethylene / polypropylene copolymers, especially block copolymers. Other humectants include propylene glycol, monoethylene glycol, hexylene glycol, butylene glycol, ethylene glycol, diethylene glycol, polyethylene glycol, polypropylene glycol, glycerol, etc.; polyol compounds such as propylene glycol ethers and their derivatives. However, those skilled in the art should understand that different humectants can be used without departing from the scope of the present invention.

[0186] According to one embodiment, the content of the humectant is 0.1% to 40% w / w of the total weight of the composition.

[0187] According to one embodiment, the stabilizers for the agricultural composition include, but are not limited to, one or more peroxides (such as hydrogen peroxide and organic peroxides), zeolites, antioxidants (such as phenolic compounds, phosphoric acid compounds, EDTA, sodium sulfite, citric acid, citrates, etc.). However, those skilled in the art should understand that other conventionally known stabilizers can be used without departing from the scope of the present invention.

[0188] According to one embodiment, the content of the stabilizer is 1% to 30% w / w of the total weight of the composition.

[0189] According to one embodiment, the preservatives are selected from one or more of formic acid and 2H-isothiazol-3-one derivatives (i.e., isothiazolinone derivatives), including: alkyl isothiazolinones (such as 2-methyl-2H-isothiazol-3-one, MIT; chloro-2-methyl-2H-isothiazol-3-one, CIT), benzisothiazolinone (such as 1,2-benzisothiazol-3(2H)-one, BIT, trade name series, produced by Arch Biocides Ltd.), 2-methyl-4,5-trimethylene-2H-isothiazol-3-one (MTIT), or RS MK, sodium propionate, sodium benzoate, propyl p-hydroxybenzoate, sodium propyl p-hydroxybenzoate, potassium sorbate, potassium benzoate, phenylmercuric nitrate, phenethyl alcohol, sodium ethyl p-hydroxybenzoate, methyl p-hydroxybenzoate, butyl p-hydroxybenzoate, benzyl alcohol, benzethonium chloride, cetylpyridinium chloride. The antioxidants include, but are not limited to, imidazole and imidazole derivatives (such as urocanic acid), 4,4'-thiobis(6-tert-butyl-3-methylphenol), 2,6-di-tert-butyl-p-cresol (BHT), pentaerythritol tetra[3-(3,5-di-tert-butyl-4-hydroxyphenyl)]propionate, amine antioxidants. However, those skilled in the art should understand that other conventionally known preservatives can also be used without departing from the scope of the present invention.

[0190] According to one embodiment, the content of the preservative is 0.01% to 2% w / w of the total weight of the composition.

[0191] According to one embodiment, the pigments and colorants are selected from, but not limited to, synthetic chemicals from different manufacturers. The pigments and colorants can be water-soluble or water-insoluble and exist in the form of lakes. The dyes can be solvent dyes, acid dyes or basic dyes. However, those skilled in the art should understand that other conventionally known pigments and colorants can be used without departing from the scope of the present invention.

[0192] According to one embodiment, the content of the pigments and colorants is 0.01% to 5% w / w of the total weight of the composition.

[0193] According to one embodiment, the disintegrants for the agricultural composition include, but are not limited to, one or more inorganic water-soluble salts such as sodium chloride; water-soluble organic compounds such as agar, hydroxypropyl starch, carboxymethyl starch ether, tragacanth gum, croscarmellose sodium, sodium tripolyphosphate, sodium hexametaphosphate, metal stearates, cellulose powder, dextrin, methacrylate copolymer, XL-10 (crosslinked polyvinylpyrrolidone), polyvinylpyrrolidone. However, those skilled in the art should understand that other conventionally known disintegrants can be used without departing from the scope of the present invention.

[0194] According to one embodiment, the content of the disintegrant is 0.5% to 15% w / w of the total weight of the composition.

[0195] According to one embodiment, the binding agents for the agricultural composition include, but are not limited to, one or more of proteins, gums, maltodextrin, carbohydrates (such as monosaccharides, disaccharides, oligosaccharides and polysaccharides), complex organic substances, synthetic organic polymers or their derivatives, and combinations thereof. However, those skilled in the art should understand that other conventionally known binders can be used without departing from the scope of the present invention.

[0196] According to one embodiment, the content of the binding agent is 0.1% to 10% w / w of the total weight of the composition.

[0197] According to one embodiment, the crop nutrition and fortification composition optionally contains at least one other active ingredient. According to one embodiment, the optional active ingredients include one or more of fertilizers, micronutrients, biostimulants, pesticides or mixtures thereof. According to one embodiment, the biostimulant contains or comprises organic carbon, or is a source of organic carbon. According to another embodiment, the biostimulant can be one or more of humic acid or humus, fulvic acid or biochar. However, those skilled in the art should understand that other active ingredients can be used without departing from the scope of the present invention.

[0198] According to one embodiment, the crop nutrition composition and the fortification composition do not contain fertilizers mainly containing urea or other conventional nitrogen fertilizers.

[0199] According to one embodiment, the content of the other active ingredient is 0.1% to 30% w / w of the total weight of the composition.

[0200] According to one embodiment, the crop nutrition and fortification composition optionally includes one or more phosphatic fertilizers or their salts, derivatives or mixtures, wherein the elemental phosphorus content in the composition ranges from 0.1% to 30% of the total weight of the composition.

[0201] According to one embodiment, the elemental phosphorus content ranges from 0.1% to 20% of the total weight of the composition. According to one embodiment, the elemental phosphorus content can range from 0.1% to 10% of the total weight of the composition.

[0202] According to one embodiment, the phosphate fertilizer includes one or more of the following: potassium phosphate; dipotassium hydrogen phosphate; potassium dihydrogen phosphate; phosphate rock; ammonium sulfate phosphate ((NH4)2SO4 + NH4H2PO4); ammonium potassium sulfate phosphate ((NH4)2SO4 + NH4H2PO4 + K2SO4); ball fertilizer (ammonium sulfate + superphosphate + potassium salt + peat, where the phosphate is in the form of Ca(H2PO4)2); compound fertilizer (Ca(H2PO4)2, CaHPO4, Ca3(PO4)2); calcium phosphate; calcium hydrogen phosphate; tricalcium phosphate; bone meal; ordinary superphosphate (Ca(H2PO4)2 + CaSO4); triple superphosphate (Ca(H2PO4)2); serpentine superphosphate (ordinary superphosphate + serpentine); calcium magnesium phosphate (CaO-MgO-P2O5-SiO2 glass); sintered phosphate fertilizer (Ca3(PO4)2-CaNaPO4 solid solution); mixed phosphate fertilizer (ordinary superphosphate (triple superphosphate) + calcium magnesium phosphate); precipitated calcium phosphate (CaHPO4); magnesium hydrogen phosphate; magnesium phosphate; ammonium phosphate; ammonium dihydrogen phosphate; diammonium hydrogen phosphate; and mixed salts such as ammonium potassium hydrogen phosphate and ammonium potassium dihydrogen phosphate, and hydrates or potassium derivatives or mixtures thereof of the foregoing salts. According to one embodiment, the phosphate fertilizer may be in the form of elemental phosphorus. The phosphate fertilizer may also be in the form of phosphoric acid. However, those skilled in the art should understand that other phosphate salts or their derivatives or mixtures may also be used without departing from the scope of the present invention.

[0203] According to one embodiment, the phosphorus derivatives include one or more phosphorus-containing minerals, ores or processed ores, including but not limited to: phosphorite, fluorapatite, francolite, phosphate rock or phosphate ore, feldspar or microcline, variscite, strengite, vivianite, struvite, turquoise, lazulite, triphylite, archerite, arrojadite, arrojadite, bicapite, francoanellite, gengenbachite, haigerachite, hazenite, kosnarite, leucophosphite, manganoarrojadite, mantienneite, mantienneite, meta-ankoleite, millisite, minyulite, phosphofibrite, phosphuranylite, spheniscidite, struvite-(K), taranakite, tinsleyite, and apatite, bone meal, bone ash, from which phosphate fertilizers, phosphates and their derivatives can be derived. However, the above list of ores or minerals is only illustrative and not intended to limit the scope of the present invention.

[0204] According to one embodiment, the content of phosphites, derivatives and their mixtures ranges from 1% w / w to 50% w / w of the total weight of the composition. According to one embodiment, the content of phosphites, derivatives and their mixtures ranges from 1% w / w to 40% w / w of the total weight of the composition. According to one embodiment, the content of phosphites, derivatives and their mixtures ranges from 1% w / w to 30% w / w of the total weight of the composition.

[0205] The present composition has also been found to play a crucial role in regulating the soil pH value and promoting the plant uptake of other nutrients that are retained in the soil by plants due to various factors, mainly soil degradation caused by overuse of synthetic fertilizers. The present composition is a highly efficient nutrient utilization composition that meets the crop requirements by providing a multi-nutrient solution and increasing the absorption rate of the crop after a single application.

[0206] Surprisingly, the crop nutrition and fortification compositions of the present invention have enhanced and improved physical properties of dispersibility, suspension, wettability, viscosity, pourability, hardness, disintegration, and abrasion resistance, are easy to handle, and also reduce material losses during packaging and during product handling in field applications.

[0207] Wettability refers to the state or condition of being wettable and can be defined as the degree to which a solid is wetted by a liquid, measured by the adhesive force between the solid and liquid phases. The wettability of the granule composition is measured using the CIPAC standard test MT-53, which describes a method for determining the time for complete wetting of a wettable formulation. The weighed granule composition is dropped from a specified height onto the water surface in a beaker, and the time for complete wetting is determined. According to another embodiment, the wettability of the crop nutrition and fortification composition in the form of water-dispersible granules is less than 2 minutes. According to one embodiment, the wettability of the composition in the form of water-dispersible granules is less than 1 minute. According to one embodiment, the wettability of the composition in the form of water-dispersible granules is less than 30 seconds.

[0208] According to one embodiment, the crop nutrition and fortification composition in the form of water-dispersible granules or liquid suspension passes the wet sieve retention test. This test is used to determine the content of undispersed substances in a formulation applied as a water dispersion. The wet sieve retention value of the composition in the form of a liquid suspension and granules is measured using the standard CIPAC test MT-185, which describes a procedure for measuring the content of substances retained on the sieve. The formulation sample is dispersed in water, and then the formed suspension is transferred to a sieve and washed. The content of the substances retained on the sieve is determined by drying and weighing.

[0209] According to one embodiment, the wet sieve retention value of the crop nutrition composition in the form of water-dispersible granules or suspension on a 75-micron sieve is less than 2%. According to one embodiment, the wet sieve retention value of the crop nutrition composition on a 75-micron sieve is less than 0.2%. A wet sieve retention value of less than 2% indicates that the crop nutrition fortified composition facilitates the easy application of the formulation and prevents nozzle or filtration equipment blockage.

[0210] According to one embodiment, the crop nutrition composition in the form of a liquid suspension has a low concentration and is easy to pour. The viscosity of a fluid is an indicator of its resistance to gradual deformation under shear stress or tensile stress.

[0211] According to one embodiment, the viscosity of the liquid suspension is determined according to the CIPAC MT-192 standard. The sample is transferred to a standard measuring system. Measurements are made under different shear conditions and the apparent viscosity is determined. During the test, the liquid temperature is kept constant. According to one embodiment, the viscosity of the liquid suspension composition at 25 °C is from 150 cps to 2000 cps, which makes it pourable. According to one embodiment, the viscosity of the liquid suspension composition at 25 °C is from 200 cps to 1000 cps.

[0212] According to one embodiment, the viscosity of the liquid suspension composition at 25 °C is less than 2000 cps. According to one embodiment, the viscosity of the liquid suspension composition at 25 °C is less than 1000 cps. Over-viscous and highly concentrated compositions tend to cake, making them non-pourable and thus undesirable.

[0213] According to one embodiment, the liquid suspension composition of the present invention is pourable. Pourability is a measure of the percentage of residue.

[0214] According to one embodiment, the pourability of the composition is determined according to the CIPAC MT-148.1 standard by allowing the composition to stand for 24 hours and determining the amount remaining in the container after a standardized pouring procedure. The container is rinsed, the remaining amount is determined, and the maximum rinsing residue percentage is calculated. According to another embodiment, the pourability of the liquid suspension composition is less than 5% rinsing residue. According to another embodiment, the pourability of the liquid suspension composition is preferably less than 2.5% rinsing residue.

[0215] According to one embodiment, the dispersion spontaneity is measured according to the CIPAC MT 160 standard. The method involves preparing a mixture of 250 ml of the formulation and water, which is mixed by inverting the graduated cylinder only once. After standing under specified conditions, the top nine-tenths is removed and the remaining one-tenth is analyzed by chemical, gravimetric or solvent extraction methods. The dispersion spontaneity is easily calculated.

[0216] According to one embodiment, the dispersion spontaneity of the liquid suspension composition of the present invention is at least 50%. According to one embodiment, the dispersion spontaneity of the liquid suspension composition of the present invention is at least 60%. According to one embodiment, the dispersion spontaneity of the liquid suspension composition of the present invention is at least 70%. According to one embodiment, the dispersion spontaneity of the liquid suspension composition of the present invention is at least 80%.

[0217] According to one embodiment, the composition of the present invention exhibits excellent thermal, light, temperature, and anti-caking stabilities. According to one embodiment, the stability of the composition is at least 3 years. According to another embodiment, the stability of the composition is at least 2 years. According to another embodiment, the stability of the composition is at least 1 year. According to another embodiment, the stability of the composition is at least 6 months.

[0218] According to one embodiment, the hardness of the crop nutrient composition in the form of water-dispersible granules is less than 4 Newtons. According to another embodiment, the hardness of the crop nutrient composition in the form of water-dispersible granules is less than 3 Newtons. According to another embodiment, the hardness of the crop nutrient composition in the form of water-dispersible granules is less than 2 Newtons. According to another embodiment, the hardness of the crop nutrient composition in the form of water-dispersible granules is less than 1 Newton.

[0219] More preferably, the crop nutrient composition in the form of water-dispersible granules has zero hardness. Zero hardness means that the hardness of the granules cannot be measured by a hardness measuring instrument. The hardness of the granules can be estimated by a hardness tester (such as the Vinsyst portable bench hardness tester VTHT series).

[0220] The water-disintegrating granule composition is formulated to have sufficient hardness to prevent the granules from breaking during storage and transportation. The hardness of the granules is evaluated by a hardness tester (such as those provided by Monsanto, Sotax, Erweka) according to the standard method described in the pharmacopoeia (such as Section <1217> of the United States Pharmacopoeia). According to one embodiment, the hardness of the water-disintegrating granules of the present invention is at least 5 Newtons. According to one embodiment, the hardness of the water-disintegrating granules of the present invention is at least 10 Newtons. According to one embodiment, the hardness of the water-disintegrating granules of the present invention is at least 25 Newtons. According to one embodiment, the hardness of the water-disintegrating granules of the present invention is at least 30 Newtons.

[0221] The dispersibility of the crop nutrient and fortified composition in the form of water-dispersible granules is a measure of the percentage of dispersion. The dispersibility of the granule composition of the present application can be determined according to the standard CIPAC test MT 174. According to one embodiment, the dispersibility of the composition in the form of water-dispersible granules is at least 50%. According to one embodiment, the dispersibility of the composition in the form of water-dispersible granules is at least 70%. According to one embodiment, the dispersibility of the composition in the form of water-dispersible granules is at least 70%.

[0222] According to one embodiment, the composition in the form of a water-dispersible granule of the present invention exhibits excellent dispersion stability under accelerated storage conditions (ATS). According to one embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule has a dispersibility of more than 40% under ATS. According to one embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule has a dispersibility of more than 60% under ATS. According to one embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule has a dispersibility of more than 80% under ATS.

[0223] According to one embodiment, the crop nutrition and fortification composition in the form of a water-dispersible granule can be almost instantaneously dispersed, enabling the crops to rapidly absorb nutrients.

[0224] According to one embodiment, the disintegration value of the crop nutrition and fortification composition in the form of a water-dispersible granule is greater than 30%. According to one embodiment, the disintegration value of the crop nutrition and fortification composition in the form of a water-dispersible granule is greater than 50%. According to one embodiment, the disintegration value of the crop nutrition and fortification composition in the form of a water-dispersible granule is greater than 70%. According to one embodiment, the disintegration value of the crop nutrition and fortification composition in the form of a water-dispersible granule is greater than 90%.

[0225] Disintegration method:

[0226] Mix 1 gram of the sample with 100 ml of water at a rotation speed of 300 rpm. The solution is passed through a 150-micron sieve, washed with water for 10 minutes, the resulting residue is dried and weighed, and the material passing through the sieve is calculated as the percentage of disintegration.

[0227] According to another embodiment, the solid biopesticide composition in the form of a water-disintegrating granule can make nutrients immediately available and can provide nutrients over a longer period (possibly extending throughout the crop cycle), providing immediate and sustained nutrient release, and ultimately strengthening and protecting the crops at each stage of the crop cycle.

[0228] According to one embodiment, the crop nutrition fortification composition in the form of a water-soluble granule can make nutrients immediately effective and can be continuously released over a longer period (possibly extending throughout the crop cycle), thus providing immediate and sustained nutrient release, and ultimately strengthening and protecting the crops at each stage of the crop cycle.

[0229] According to one embodiment, the crop nutrition fortification composition in the form of a water-dispersible granule or a liquid suspension has good suspension properties.

[0230] Suspension property is defined as the amount of nutrients suspended in a liquid column of a specified height after a specified time, expressed as a percentage of the nutrient content in the original suspension. The suspension property test is carried out in accordance with the CIPAC Handbook "MT 184 Suspension Property Test".

[0231] According to one embodiment, the suspension property of the crop nutrition and fortification composition of the present invention in the form of a water-dispersible granule or a liquid suspension is at least 50%. According to one embodiment, the suspension property of the crop nutrition and fortification composition of the present invention in the form of a water-dispersible granule or a liquid suspension is at least 70%. According to one embodiment, the suspension property of the crop nutrition and fortification composition of the present invention in the form of a water-dispersible granule or a liquid suspension is at least 90%.

[0232] According to one embodiment, the composition in the form of a water-dispersible granule or a liquid suspension of the present invention exhibits excellent suspension stability under accelerated storage conditions (ATS). According to one embodiment, the suspension property of the crop nutrition and fortification composition in the form of a water-dispersible granule or a liquid suspension under ATS exceeds 40%. According to one embodiment, the suspension property of the crop nutrition and fortification composition in the form of a water-dispersible granule or a liquid suspension under ATS exceeds 60%. According to one embodiment, the suspension property of the crop nutrition and fortification composition in the form of a water-dispersible granule or a liquid suspension under ATS exceeds 80%.

[0233] Abrasion resistance determines the anti-wear ability of the granule material. The water-disintegrating granule composition has good abrasion resistance. The sample can be subjected to a wear test according to the test "MT 178 - Abrasion Resistance of Granules" specified in the CIPAC Handbook. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 50%. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 60%. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 70%. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 80%. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 90%. According to one embodiment, the abrasion resistance of the water-disintegrating granule composition is at least 99%.

[0234] Surprisingly, the present inventors have also determined that, compared with the known compositions, the crop nutrition and fortification composition in the form of a water-dispersible granule exhibits excellent efficacy even when applied at a reduced application dose.

[0235] According to one embodiment, the present invention relates to a method for preparing a crop nutrient and fortification composition in the form of a water-dispersible granule or a water-disintegrating granule or a liquid suspension, wherein the composition comprises an effective amount of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures and one or more excipients, wherein the composition comprises fine particles in the size range of 0.1 to 50 microns; wherein the elemental sulfur content is in the range of 5% to 90% by weight; the elemental potassium content is in the range of 0.1% to 40% by weight; the elemental magnesium content is in the range of 0.1% to 40% by weight; the elemental iron content is in the range of 0.1% to 45% of the total weight of the composition; the elemental zinc content is in the range of 0.1% to 45% of the total weight of the composition, and wherein said composition comprises fine particles in the size range of 0.1 micron to 50 microns.

[0236] According to one embodiment, the present invention relates to a method, wherein the composition in the form of a water-dispersible granule or a water-disintegrating granule comprises not more than 80% of water-soluble salts or derivatives or mixtures of the total weight of the composition.

[0237] According to one embodiment, the present invention relates to a method, wherein the composition in the form of a liquid suspension comprises not more than 50% of water-soluble salts or their derivatives or mixtures of the total weight of the composition.

[0238] According to another embodiment, the crop nutrient and fortification composition in the form of a water-dispersible granule or a water-disintegrating granule is prepared by various techniques such as spray drying, fluidized bed granulation, pan granulation, needle agglomerator, spherical granulator, freeze drying, etc. The granule can also be extruded through an extruder to obtain an extruded granule.

[0239] According to one embodiment, a method for preparing a water-dispersible granular crop nutrition and fortification composition comprises grinding a blend comprising an effective amount of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts, or derivatives or mixtures thereof; one or more water-insoluble or water-soluble potassium fertilizers or salts, derivatives or mixtures thereof; one or more water-insoluble or water-soluble iron salts or derivatives or mixtures thereof; one or more water-insoluble or water-soluble zinc salts or derivatives or mixtures thereof; and one or more excipients to obtain a slurry or wet mixture having a granule size in the range of 0.1 to 30 microns. The obtained wet mixture is then dried, for example, in a spray dryer, a fluidized bed dryer or any suitable granulation equipment, and then sieved to remove granules that are too small and too large in size to obtain a water-dispersible granule having a size in the range of 0.05 mm to 4.00 mm (if desired). The granules obtained from the granulator can also be air-dried or air-cured to remove any residual moisture (if any). The elemental sulfur content of the obtained water-dispersible granules is 5% to 90% (by weight); the elemental potassium content is 0.1% to 40% (by weight); the elemental magnesium content is 0.1% to 40% (by weight); the elemental iron content is 0.1% to 45% (by weight); and the elemental zinc content is 0.1% to 45% (by weight), based on the total weight of the composition.

[0240] According to another embodiment, a crop nutrition and fortification composition in the form of water-dispersible granules is also prepared by dry-grinding an effective amount of the following components in an air mill or a jet mill: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or derivatives or mixtures thereof; one or more water-insoluble or water-soluble potassium fertilizers or potassium salts or derivatives or mixtures thereof; one or more water-insoluble or water-soluble iron salts or derivatives or mixtures thereof; one or more water-insoluble or water-soluble zinc salts or derivatives or mixtures thereof; and one or more excipients; to obtain a mixture having a fine particle size in the range of 0.1 micron to 30 microns. Water is added to the dry powder and mixed uniformly to obtain a mass or paste, which is then extruded through an extruder. The obtained extrudate is dried by a suitable method, such as air drying, a fluidized bed dryer and a tray dryer, and then sieved to remove granules that are too small and too large in size to obtain granules having a size range of 0.05 - 3.0 mm.

[0241] According to another embodiment, the present invention also relates to a method for preparing water-disintegrating granules, the method comprising grinding a blend comprising an effective amount of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble potassium fertilizers or salts thereof, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble iron salts, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble zinc salts, derivatives thereof or mixtures thereof; and one or more excipients to obtain a slurry or wet mixture, wherein the size range of the granules is from 0.1 micrometer to 50 micrometers. The obtained wet mixture is then dried, for example in a spray dryer, a fluidized bed dryer or any suitable granulation equipment, and then sieved to remove granules that are too small and too large in size to obtain a dry mixture. Water is added to the dry mixture and mixed to form a mass or paste, and then extruded through an extruder to obtain extruded granules with a size range of 0.025 millimeters to 6 millimeters. Alternatively, the obtained wet mixture or dry mixture is agglomerated in an agglomerator to obtain a spheronized granule composition with a size range of 0.025 millimeters to 6 millimeters. The content of elemental sulfur in the obtained water-disintegrating granules is in the weight range of 5% to 90%; the elemental potassium content is in the weight range of 0.1% to 40%; the elemental magnesium content is in the weight range of 0.1% to 40%; the elemental iron content is in the weight range of 0.1% to 45%; the elemental zinc content is in the weight range of 0.1% to 45%, based on the total weight of the composition.

[0242] The agglomerator can include various devices, such as a disk granulator or a pan granulator, a needle agglomerator, a spherical granulator or a combination thereof.

[0243] According to one embodiment, the present invention also relates to a method for preparing water-disintegrating granules, the method comprising grinding a blend comprising an effective amount of the following components: elemental sulfur; one or more water-insoluble or water-soluble magnesium salts, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble potassium fertilizers or salts thereof, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble iron salts, derivatives thereof or mixtures thereof; one or more water-insoluble or water-soluble zinc salts, derivatives thereof or mixtures thereof; and one or more excipients to obtain a dry blend, wherein the size range of the granules is from 0.1 micrometer to 50 micrometers. Water is added to the dry mixture, and then extruded into a large extruder to form water-disintegrating granules with a size of 0.05 millimeters to 6 millimeters.

[0244] According to one embodiment, a method for preparing a crop nutrition and fortification composition in the form of a liquid suspension comprises: homogenizing an effective amount of elemental sulfur; one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; one or more water-insoluble or water-soluble potassium fertilizers; or their salts or derivatives or mixtures; one or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures and at least one agrichemically acceptable excipient in a liquid medium to obtain a suspension, wherein the liquid suspension comprises: elemental sulfur in a weight percentage of 5% to 60%; elemental potassium content in a weight percentage of 0.1% to 20%; elemental magnesium content in a weight percentage of 0.1% to 30%; elemental iron content in a weight percentage of 0.1% to 30%; elemental zinc content in a mass percentage in the range of 0.1% to 40% of the total weight of the composition. The method further comprises wet milling the suspension to obtain a composition with a size range of 0.1 micrometers to 30 micrometers. According to one embodiment, the composition in the form of a liquid suspension comprises no more than 50% of the total weight of the composition of water-soluble salts, derivatives or mixtures.

[0245] According to one embodiment, the present invention also relates to the use of the crop nutrition or fortification composition as at least one of a nutrition composition, a crop fortifier composition, a soil conditioner composition, a crop fortification composition, a crop protection and yield enhancer composition.

[0246] According to another embodiment, the present invention also relates to a method of applying the present invention, wherein the composition is applied to seeds, seedlings, crops, plants, plant propagation materials, sites, parts thereof or the surrounding soil.

[0247] According to one embodiment, the present invention also relates to a method of providing balanced absorption of all nutrients, improving crop health, improving crop nutrition by promoting the absorption of essential nutrients, protecting crops, increasing crop yields, fortifying plants or conditioning the soil; the method comprises treating at least one of seeds, seedlings, crops, plants, plant propagation materials, sites, parts thereof or the surrounding soil with an effective amount of the crop nutrition and fortification composition of the present invention.

[0248] According to one embodiment, the present invention relates to a method of treating plants and meeting their nutritional requirements, the method enhancing the absorption of sulfur, magnesium, potassium, iron and zinc by plants by applying a crop nutrition composition comprising a mixture of the following components:

[0249] i. elemental sulfur; wherein the elemental sulfur content is 5% to 90% of the total weight of the composition;

[0250] ii. one or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; wherein the elemental magnesium content is 0.1% to 40% of the total weight of the composition;

[0251] iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; wherein the elemental potassium content is 0.1% to 40% of the total weight of the composition;

[0252] iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; wherein the elemental iron content is 0.1% to 45% of the total weight of the composition;

[0253] v. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; wherein the elemental zinc content is 0.1% to 45% of the total weight of the composition; and

[0254] vi. One or more excipients, the content of which is 0.1% to 40% of the total weight of the composition.

[0255] Wherein, the composition comprises fine particles with a size range of 0.1 - 50 microns, and wherein the total content of water-soluble salts or their derivatives or mixtures in the composition does not exceed 80% (by weight).

[0256] This composition can be applied by various methods. The methods of applying to the soil include any suitable method as long as it can ensure the penetration of the composition into the soil, for example, application in seedling trays, furrow application, drip irrigation, sprinkler irrigation, soil soaking, soil injection or incorporation into the soil, and other similar methods. The composition can also be applied in the form of foliar spray.

[0257] The application rate or dosage of the composition depends on the type of crop or the specific nutrients in the composition, but it must be ensured that the amount of nutrients can effectively provide the desired effects, such as crop protection, crop yield, and nutrient absorption.

[0258] It has been observed that the compositions of the present invention exhibit enhanced, effective, and excellent performance in the field. The inventors have noted that the application of the compositions of the present invention not only promotes more complete and balanced absorption of magnesium (even in the presence of potassium), or the absorption of iron (in the presence of zinc), but also helps in the absorption of all macronutrients or micronutrients contained in the composition. In addition, it has also been observed that the application of the compositions of the present invention, especially in acidic soils, enables better absorption of all nutrients. This results in a more balanced absorption of all nutrients, thereby making the plants healthier and increasing the nutritional yield. With the compositions of the present invention, the number of applications or the amount of nutrients, fertilizers, or pesticides can be minimized. It has been found that the compositions of the present invention can significantly reduce the emissions of greenhouse gases such as carbon dioxide and nitrous oxide, and thus are very safe for both users and the environment. It has been observed that the compositions of the present invention not only have a synergistic effect, but also increase crop yields and improve crop physiological characteristics, such as increasing greenness and improving leaf color. Therefore, the compositions of the present invention exhibit enhanced, efficient, and excellent performance at a lower application dose in the field. The compositions of the present invention can also promote soil health.

[0259] It has also been observed that the compositions of the present invention can better absorb magnesium, zinc, iron, and other micronutrients as well as macronutrients captured in the soil when the granule of the composition is in the form of a water-dispersible granule or a liquid suspension or a water-disintegrating granule and contains fine particles in the size range of 0.1 to 50 microns.

[0260] It has been further observed that the compositions of the present invention can better absorb all nutrients and reduce the need for excessive application of traditional NPK fertilizers, thereby eliminating drawbacks such as nitrous oxide emissions and nitrate leaching caused by the excessive use of NPK fertilizers. In particular, it has been observed that the crop nutrition and fortification compositions of the present invention not only eliminate the excessive use of high-dose NPK fertilizers, but also meet the crop's requirements by providing a multi-nutrient solution that can improve the absorption of macronutrients such as potassium, magnesium, sulfur, and other micronutrients retained in the soil, thereby improving soil health while reducing the application rate.

[0261] In addition, various advantageous characteristics associated with the compositions of the present invention include, but are not limited to, improved stability, improved toxicological and / or ecotoxicological behavior, improved crop characteristics (including crop yield, crop quality), improved rooting, lush leaves and characteristics, and other advantages familiar to those skilled in the art.

[0262] As can be seen from the above, various modifications and variations can be made without departing from the true spirit and scope of the novel concept of the present invention. It should be understood that the present invention is not intended to limit or infer limitations to the specific embodiments shown.

[0263] A. Preparation Example:

[0264] The following examples illustrate the basic methods and versatility of the compositions of the present invention. The magnesium source, zinc source, iron source, and water-soluble or water-insoluble potassium source exemplified in the preparation examples can be replaced with any other salts or derivatives of magnesium source, zinc source, iron source, or water-soluble or water-insoluble potassium source covered in this specification, provided that the required concentration ranges are changed respectively. It should be noted that the present invention is not limited to these examples.

[0265] I. Water-dispersible granule composition or water-disintegrating granule composition:

[0266] Example 1: Sulfur 90% + Magnesium carbonate 1% (Elemental Mg: 0.28%) + Polyhalite 1% (Elemental K: 0.19%) + Magnetite 0.2% (Elemental Fe: 0.14%) + Zinc oxide 0.15% (Elemental Zn: 0.12%) GR

[0267] Mix 91 parts of industrial sulfur, 1 part of magnesium carbonate, 1 part of polyhalite, 0.2 part of magnetite, 0.15 part of zinc oxide, 3 parts of kaolin, 2.35 parts of sodium dodecyl sulfate, and 1.3 parts of alkylnaphthalenesulfonate condensate in a double-screw ribbon blender to obtain a powder. Then, air pulverize the mixture to obtain a powder with the required particle size.

[0268] Add 10 grams of water to the above mixture to prepare a dough-like material, and then granulate and dry the material to obtain granules with a screen size of less than 4 mm.

[0269] Result: The abrasion resistance of this composition is 98%, the disintegration value is 70%, and the hardness is 15 N. The particle size distribution of this composition is as follows: D10: 7.5 microns; D50: 10.5 microns; and D90: 13.2 microns.

[0270] Example 2: Sulfur 5% + Magnesium Oxide 65% (Element Mg: 39.197%) + Potassium Carbonate 1% (Element K: 0.57%) + Iron Oxide (Element Fe: 8.604%) + Zinc Carbonate 8% (Element Zn: 4.17%) GR

[0271] Mix 5.5 parts of industrial sulfur, 65 parts of magnesium oxide, 1 part of potassium carbonate, 12 parts of magnetite, 8 parts of zinc carbonate, 1.5 parts of clay, 3 parts of sodium dodecyl sulfate, 2 parts of sodium lignosulfonate, and 2 parts of alkylnaphthalenesulfonate condensate in a double-screw ribbon blender to obtain a homogeneous powder. Then, grind the mixture with a jet mill to the required particle size. Add 10 grams of water to the above mixture to form a lump, and then granulate and dry it to obtain granules with a screen size of less than 3 mm.

[0272] Result: The abrasion resistance of this composition is 99%, the disintegration value is 75%, and the hardness is 20 N. The particle size distribution of this composition is as follows: D10: 5.5 microns; D50: 9.5 microns; and D90: 11.4 microns.

[0273] Example 3: Sulfur 45% + Magnesium Hydroxide 1% (Element Mg: 0.416%) + Potassium Silicate 1% (Element K: 0.5%) + Iron Oxide (Element Fe: 0.67%) + Zinc Oxide 40% (Element Zn: 32.1%) WG Spray Dried

[0274] Mix 46 parts of industrial sulfur with 1 part of magnesium hydroxide, 1 part of potassium silicate, 1 part of iron(III) oxide, 40 parts of zinc oxide, 4 parts of a mixture of naphthalenesulfonic acid and phenolsulfonic acid condensates, and 4 parts of sodium lignosulfonate in 120 parts of water and grind to the desired average particle size. Add 3 parts of sodium citrate to the mixed and ground slurry, stir for 1 hour, and then use a spray drying / fluidized bed drying process to obtain a water-dispersible granule with a granule size less than 1 mm.

[0275] Results: The suspension of this composition is 90%, the wet sieve retention value on a 75-micron sieve is 0.4%, the dispersibility is 86%, the abrasion resistance is 94%, and the wettability is less than 15 seconds. Under accelerated storage conditions, the suspension of this composition is approximately 85%, the dispersibility is 82%, and the wettability is less than 10 seconds. The particle size distribution of this composition is as follows: D10: 2.2 microns; D50: 4.3 microns; D90: 9.5 microns.

[0276] Example 4: Sulfur 5% + Magnesium Oxide 24% (Element Mg: 14.47%) + Potassium Silicate 1% (Element K: 0.5%) + Ferrous Oxide 57% (Element Fe: 44.3%) + Zinc Carbonate 1% (Element Zn: 0.52%) WG Spray Dried

[0277] Mix 5.5 parts of industrial sulfur with 24 parts of magnesium oxide, 1 part of potassium silicate, 57 parts of iron(II) oxide, 1 part of zinc carbonate, 3 parts of a mixture of naphthalenesulfonate and phenolsulfonic acid condensates, 5.9 parts of sodium lignosulfonate in 120 parts of water, and grind to the desired particle size. Add 2.6 parts of a sodium alkylnaphthalenesulfonate condensate to the mixed and ground slurry and stir for 1 hour. Then spray dry / fluidize dry the resulting mixture to obtain a product with a particle size less than 1 mm. The particle size distribution of this composition is as follows: D10: 4.5 microns; D50: 8.9 microns; D90: 15.5 microns.

[0278] Results: The suspension of this composition is 85%, the wet sieve retention value on a 75-micron sieve is 0.5%, the dispersibility is 80%, the abrasion resistance is 92%, and the wettability is less than 10 seconds. Under accelerated storage conditions, the suspension of this composition is approximately 80%, the dispersibility is 75%, and the wettability is less than 8 seconds. The particle size distribution of this composition is as follows: D10: 3.4 microns; D50: 4.9 microns; D90: 10.6 microns.

[0279] Example 5: Sulfur 5% + Magnesium Sulfate 1% (Element Mg: 0.20%) + Potassium Hydroxide 55% (Element K: 38.32%) + Iron Oxide (Element Fe: 7.17%) + Zinc Oxide 16% (Element Zn: 12.85%) GR

[0280] Mix 5.5 parts of industrial sulfur with 1 part of magnesium sulfate, 55 parts of potassium hydroxide, 10 parts of iron trioxide, 16 parts of zinc oxide, 6 parts of talcum powder, 4.5 parts of sodium dioctyl sulfosuccinate and 2 parts of sulfate lignin polymer in a ribbon blender to obtain a homogeneous powder. Then grind the mixture in a jet mill to the desired particle size. Add 7 grams of water to the above mixture to form a mass, then granulate and dry it to obtain a granular agent with a sieve aperture size of less than 5 mm.

[0281] Results: The abrasion resistance of the composition is 98%, the disintegration value is 80%, and the hardness is 23 N. The particle size distribution of the composition is as follows: D10: 8.3; D50: 2.2 and D90: 18.3.

[0282] Example 6: Sulfur 20% + Magnesium Carbonate 15% (Element Mg: 4.32%) + Langbeinite 15%

[0283] (Element K: 2.9%) + Iron Oxide 15% (Element Fe: 10.10%) + Zinc Oxide 15% (Element Zn: 12.04%) WG

[0284] Mix 20.5 parts of industrial sulfur with 15 parts of magnesium carbonate, 15 parts of potassium sulfomagnesite, 15 parts of ferric oxide, 15 parts of zinc oxide, 6 parts of a mixture of naphthalenesulfonate and phenolsulfonic acid condensate, and 9.4 parts of sodium lignosulfonate in 120 parts of water, and grind to the desired particle size.

[0285] Add 4.1 parts of sodium alkylnaphthalenesulfonate condensate to the mixed and ground slurry, and stir for 1 hour. Then spray dry / fluid bed dry the resulting mixture to obtain a water-dispersible granular agent with a particle size of less than 2 mm.

[0286] Results: The suspension of the composition is 95%, the wet sieve retention value on a 75-micron sieve is 0.2%, the dispersibility is 90%, the abrasion resistance is 90%, and the wettability is less than 5 seconds. Under accelerated storage conditions, the suspension of the composition is about 90%, the dispersibility is 80%, and the wettability is less than 10 seconds. The particle size distribution of the composition is as follows: D10: 3.3; D50: 8.5; D90: 11.2.

[0287] Example 7: Sulfur 70% + Magnesium Phosphate 5% (Element Mg: 1.387%; Element P: 1.16%) + Potassium Sulfate 2% (Element K: 0.448%) + Ferrous Oxide 5% (Element Fe: 3.88%) + Zinc Silicate 5% (Element Zn: 2.93%) WG Spray Dried

[0288] Mix 71 parts of industrial sulfur with 5 parts of magnesium phosphate, 2 parts of potassium sulfate, 5 parts of ferrous oxide, 5 parts of zinc silicate, 6.33 parts of sodium lignosulfonate, and 5.67 parts of naphthalene sulfonic acid condensate in 120 parts of water, and grind to the desired particle size. The ground slurry is spray dried / fluid bed dried to obtain a water-dispersible granular agent with a particle size of less than 1.5 mm.

[0289] Results: The suspension of the composition is 70%, the wet sieve retention value on a 75-micron sieve is 0.09%, the dispersibility is 65%, the abrasion resistance is 98.4%, and the wettability is less than 5 seconds. Under accelerated storage conditions, the suspension of the composition is 65%, the dispersibility is 60%, and the wettability is less than 10 seconds. The particle size distribution of the composition is as follows: D10: 2.5 microns; D50: 6.4 microns; D90: 10.8 microns

[0290] Example 8: Sulfur 5% + Magnesium Phosphate 25% (Element Mg: 6.93%) + Langbeinite 1% (Element K: 0.194%) + Carbon Iron 1% (Element Fe: 0.48%) + Zinc Oxide 55% (Element Zn: 44.17%) GR

[0291] Mix 5.5 parts of industrial sulfur with 25 parts of magnesium phosphate, 1 part of kainite, 1 part of iron carbonate, 55 parts of zinc oxide, 1.5 parts of sodium isopropylnaphthalenesulfonate, 2 parts of talc, 8 parts of clay, and 1 part of sodium alkylnaphthalenesulfonate condensate in a ribbon blender to obtain a homogeneous powder. Then grind the mixture in a jet mill to obtain a powder within the desired particle size range. Add 12 grams of water to the above mixture to form a mass, then granulate and dry it to obtain a water-disintegrating granule with a particle size less than 2.5 mm

[0292] Results: The abrasion resistance of the composition is 98%, and the hardness is 21 N. The particle size distribution of the composition is as follows: D10: 5.5 microns; D50: 12.5 microns; and D90: 21 microns

[0293] Example 9: Sulfur 5% + Magnesium Sulfate 30% (Element Mg: 6.057%) + Potassium Sulfate 20% (Element K: 4.487%) + Iron Oxide 5% (Element Fe: 3.36%) + Zinc Sulfate 30% (Element Zn: 12.147%) WG

[0294] Mix 5.5 parts of industrial sulfur with 30 parts of magnesium sulfate, 20 parts of potassium sulfate, 5 parts of ferric oxide, 30 parts of zinc sulfate, 3 parts of a mixture of naphthalenesulfonate and phenolsulfonic acid condensate, and 3 parts of sodium lignosulfonate in 120 parts of water, and grind to the desired particle size

[0295] Add 3.5 parts of sodium alkylnaphthalenesulfonate condensate to the mixed and ground slurry, and stir for 1 hour. Then spray dry / fluid bed dry the resulting mixture to obtain a water-dispersible granule with a particle size less than 2 mm

[0296] Results: The suspension of the composition is 70%, the wet sieve retention value on a 75-micron sieve is 0.8%, the dispersibility is 66%, the abrasion resistance is 90%, and the wettability is less than 10 seconds. Under accelerated storage conditions, the suspension of the composition is approximately 67%, the dispersibility is 64%, and the wettability is less than 15 seconds. The particle size distribution (based on insoluble components) of the composition is as follows: D10: 4.5 microns; D50: 9.0 microns; D90: 15.5 microns

[0297] II. Liquid suspension composition:

[0298] Example 10: Sulfur 60% + Magnesium Silicate 0.5% (Element Mg: 0.12%) + Potassium Hydroxide 0.15% (Element K: 0.104%) + Iron Oxide 0.1% (Element Fe: 0.06%) + Zinc Carbonate 0.1% (Element Zn: 0.05%) SC

[0299] Add 5 parts of the condensate of sodium alkylnaphthalene sulfonate and 50 parts of propylene glycol to 310 parts of water, and feed them into a container equipped with a stirring device for homogenization. Further add 610 parts of sulfur powder, 5 parts of magnesium silicate, 1.5 parts of potassium hydroxide, 1 part of iron(III) oxide and 1 part of zinc carbonate to the homogenized mixture, and continuously stir for about 10 minutes until the mixture is completely homogenized. Under the condition of continuous homogenization, add 10 parts of the modified styrene-maleic anhydride copolymer solution and 0.5 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under the condition of continuous homogenization, add 1.3 parts of xanthan gum, 1 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.5 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0300] Results: The viscosity of the composition is 850 cps and the suspension property is 92%. It is measured that the dumping rinse residue is 0.82%, the spontaneous dispersibility is 88%, and the wet sieve retention value on a 75-micron sieve is 0.08%. Under the accelerated storage condition, the suspension property of the composition is about 86% and the spontaneous dispersibility is 84%. The particle size distribution of the composition is as follows: D10: 2.84 microns; D50: 4.56 microns; D90: 12 microns.

[0301] Example 11: Sulfur 5% + Magnesium Oxide 50% (Element Mg: 30.1%) + Potassium Carbonate 1% (Element K: 0.57%) + Iron Oxide 3% (Element Fe: 2.17%) + Zinc Oxide 1% (Element Zn: 0.803%) SC

[0302] Add 10 parts of the condensate of sodium alkylnaphthalene sulfonate and 70 parts of propylene glycol to 295 parts of water, and feed them into a container equipped with a stirring device for homogenization. Further add 51 parts of sulfur powder, 500 parts of magnesium oxide, 10 parts of potassium carbonate, 30 parts of iron(II,III) oxide and 10 parts of zinc oxide to the homogenized mixture, and continuously stir for about 10 minutes until the mixture is completely homogenized. Under the condition of continuous homogenization, add 15 parts of the modified styrene-maleic anhydride copolymer solution and 0.5 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension composition. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under the condition of continuous homogenization, add 1.3 parts of xanthan gum, 1 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.5 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0303] Results: The viscosity of the composition is 850 cps, and the suspension is 92%. It is measured that the dumping rinse residue is 0.82%, the spontaneous dispersibility is 88%, and the wet sieve retention value on a 75-micron sieve is 0.08%. Under accelerated storage conditions, the suspension of the composition is about 88%, and the spontaneous dispersibility is 83%. The particle size distribution of the composition is as follows: D10: 3.5 microns; D50: 6.68 microns; D90: 14 microns.

[0304] Example 12: Sulfur 5% + Magnesium Silicate 15% (Element Mg: 3.632%) + Potassium Carbonate 30% (Element K: 16.9%) + Iron Oxide 1% (Element Fe: 0.67%) + Zinc Oxide 5% (Element Zn: 4%) SC

[0305] Add 25 parts of sodium alkylnaphthalene sulfonate condensate and 70 parts of ethylene glycol to 310 parts of water, and send them into a container equipped with a stirring device for homogenization. Further add 52 parts of sulfur powder, 150 parts of magnesium silicate, 300 parts of potassium carbonate, 10 parts of iron(III) oxide and 50 parts of zinc oxide to the homogeneous mixture, and continuously stir for about 10 minutes until the mixture is completely homogeneous. Under the condition of continuous homogenization, add 18 parts of polyalkylene oxide-modified heptamethyltrisiloxane and 0.5 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, add 1.2 parts of xanthan gum, 0.75 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.5 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0306] Results: The viscosity of the composition is 600 cps, and the suspension is 91%. It is measured that the dumping rinse residue is 0.53%. The spontaneous dispersibility is 88%, and the wet sieve retention value on a 75-micron sieve is 0.07%. Under accelerated storage conditions, the suspension of the composition is about 88%, and the spontaneous dispersibility is 83%. The particle size distribution of the composition is as follows: D10: 2.75 microns, D50: 8.2 microns, D90: 10.5 microns.

[0307] Example 13: Sulfur 10% + Magnesium Phosphate 0.35% (Element Mg: 0.10%) + Kainite 0.5% (Element K: 0.10%) + Iron Silicate 0.5% (Element Fe: 0.137%) + Zinc Oxide 35% (Element Zn: 28.11%) SC

[0308] Add 30 parts of alkyl polyalkylene glycol ether and 90 parts of ethylene glycol to 290 parts of water, and send them into a container equipped with a stirring device to stir and homogenize. Then add 102 parts of sulfur powder, 3.5 parts of magnesium phosphate, 5 parts of langbeinite, 5 parts of iron silicate and 350 parts of zinc oxide to the homogeneous mixture, and continuously stir for about 10 minutes until the mixture is completely homogeneous. Under continuous homogenization conditions, add 20 parts of polycarboxylate and 0.4 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, add 2 parts of xanthan gum, 1 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.6 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0309] Results: The viscosity of the composition is 800 cps, and the suspension is 96%. It is measured that the dumping flushing residue is 0.52%, the spontaneous dispersibility is 90%, and the wet sieve retention value on a 75-micron sieve is 0.08%. Under accelerated storage conditions, the suspension of the composition is about 92%, and the spontaneous dispersibility is 85%. The particle size distribution of the composition is as follows: D10: 2.11 microns; D50: 4.9 microns; D90: 9.3 microns.

[0310] Example 14: Sulfur 5% + Magnesium Phosphate 15% (Element Mg: 4.16%, Element P: 3.5%) + Potassium Sulfate 2% (Element K 0.448%) + Ferrous Oxide 35% (Element Fe: 27.2%) + Zinc Carbonate 5% (Element Zn:

[0311] 2.60%) SC

[0312] Add 35 parts of alkyl polyalkylene glycol ether and 88 parts of ethylene glycol to 330 parts of water, and send them into a container equipped with a stirring device to stir and homogenize. Then add 52 parts of sulfur powder, 150 parts of magnesium phosphate, 20 parts of potassium sulfate, 350 parts of ferrous oxide and 50 parts of zinc carbonate to the homogeneous mixture, and continuously stir for about 10 minutes until the mixture is completely homogeneous. Under continuous homogenization conditions, add 20 parts of polycarboxylate and 0.4 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, add 1.5 parts of xanthan gum, 1 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.9 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0313] Results: The viscosity of the composition is 900 cps, and the suspension is 75%. It is measured that the dumping flushing residue is 0.72%, the spontaneous dispersibility is 70%, and the wet sieve retention value on a 75-micron sieve is 0.09%. Under accelerated storage conditions, the suspension of the composition is about 70%, and the spontaneous dispersibility is 65%. The particle size distribution of the composition is as follows: D10: 2.90 microns; D50: 5.3 microns; D90: 11.3 microns.

[0314] Example 15: Sulfur 20% + Magnesium Carbonate 10% (Element Mg: 2.88%) + Kainite 5% (Element K: 0.971%) + Magnetite 7.5% (Element Fe: 5.377%) + Zinc Oxide 15% (Element Zn: 12.04%) SC

[0315] Add 28 parts of alkyl polyalkylene glycol ether and 80 parts of ethylene glycol to 300 parts of water, and feed them into a container equipped with a stirring device for homogenization treatment. Further add 200 parts of sulfur powder, 100 parts of magnesium carbonate, 50 parts of kainite, 75 parts of magnetite and 150 parts of zinc oxide to the homogeneous mixture, and continuously stir for about 10 minutes until the mixture is completely homogeneous. Under the condition of continuous homogenization, add 10 parts of polycarboxylate and 0.6 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, add 1.5 parts of xanthan gum, 1 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.7 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0316] Results: The viscosity of the composition is 500 cps, and the suspension is 85%. It is measured that the pour rinse residue is 0.32%, the spontaneous dispersibility is 80%, and the wet sieve retention value on a 75-micron sieve is 0.06%. Under accelerated storage conditions, the suspension of the composition is about 80%, and the spontaneous dispersibility is 75%. The particle size distribution of the composition is as follows: D10: 2.70 microns; D50: 7.3 microns; D90: 19.3 microns.

[0317] Example 16: Sulfur 5% + Magnesium Sulfate 15% (Element Mg: 3.028%) + Potassium Carbonate 30% (Element K: 16.9%) + Iron Oxide 1% (Element Fe: 0.67%) + Zinc Sulfate 5% (Element Zn:

[0318] 2.02%) SC

[0319] Add 25 parts of sodium alkylnaphthalenesulfonate condensate and 70 parts of ethylene glycol to 310 parts of water, and feed them into a container equipped with a stirring device for homogenization treatment. Further add 52 parts of sulfur powder, 150 parts of magnesium sulfate, 300 parts of potassium carbonate, 10 parts of iron oxide and 50 parts of zinc sulfate to the homogeneous mixture, and continuously stir for about 10 minutes until the mixture is completely homogeneous. Under the condition of continuous homogenization, add 18 parts of polyalkylene oxide-modified heptamethyltrisiloxane and 0.5 part of polydimethylsiloxane emulsion to the above mixture to obtain a liquid suspension. Subsequently, pass the obtained suspension through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, add 1.2 parts of xanthan gum, 0.75 part of 1,2-benzisothiazolin-3-one, the balance of water and 0.5 part of polydimethylsiloxane emulsion to obtain a liquid suspension.

[0320] Results: The viscosity of the composition was 500 cps, the suspensibility was 80%. The pour-rinse residue was determined to be 0.47%. The dispersion spontaneity was 85%, and the wet sieve retention value on a 75-μm sieve was 0.04%. Under accelerated storage conditions, the suspensibility of the composition was approximately 75%, and the dispersion spontaneity was 81%. The particle size distribution of the composition was as follows: D10: 3.78 μm, D50: 9.5 μm, D90: 12.6 μm.

[0321] Example 17: Sulfur 5% + Magnesium Silicate 7.5% (Element Mg: 1.816%) + Potassium Carbonate 23.5% (Element K: 13.24%) + Ferric Oxide 1% (Element Fe: 0.67%) + Zinc Oxide 5% (Element Zn: 4%) Rock Phosphate 14% (Element P: 0.83%) SC

[0322] 25 parts of a sodium alkylnaphthalenesulfonate condensate and 70 parts of ethylene glycol were added to 310 parts of water and fed into a container equipped with a stirring device for homogenization. 52 parts of sulfur powder, 75 parts of magnesium silicate, 235 parts of potassium carbonate, 10 parts of iron oxide, 50 parts of zinc oxide, and 140 parts of phosphate rock were further added to the homogeneous mixture and continuously stirred for about 10 minutes until the mixture was completely homogeneous. Under continuous homogenization conditions, 18 parts of a polyalkylene oxide-modified heptamethyltrisiloxane and 0.5 part of a polydimethylsiloxane emulsion were added to the above mixture to obtain a liquid suspension. Subsequently, the obtained suspension was passed through a wet mill to reduce the particle size. Then, under continuous homogenization conditions, 1.2 parts of xanthan gum, 0.75 part of 1,2-benzisothiazolin-3-one, the balance of water, and 0.5 part of a polydimethylsiloxane emulsion were added to obtain a liquid suspension.

[0323] Results: The viscosity of the composition was 700 cps, the suspensibility was 90%. The pour-rinse residue was 0.55%. The dispersion spontaneity was 85%, and the wet sieve retention value on a 75-μm sieve was 0.05%. Under accelerated storage conditions, the suspensibility of the composition was approximately 80%, and the dispersion spontaneity was 80%. The particle size distribution of the composition was as follows: D10: 2.85 μm, D50: 7.25 μm, D90: 10.5 μm.

[0324] B. Field study:

[0325] Experiment 1: To study the effect of a composition of "sulfur, potassium, and magnesium, zinc, iron salts" on commercially grown rice crops, where the composition was in the form of a water-dispersible granule, a suspension concentrate, and a water-disintegrating granule, and contained particles within the size range in accordance with the examples of the present invention, while the comparative sample contained larger-sized particles.

[0326] Field trial method: Field trials were conducted in Kopal, Karnataka to evaluate the effect of the examples of the composition of the present invention on rice yield. The trials were carried out in the Kharif season using a randomized block design (RBD), with a total of 9 treatment groups (including an untreated control), replicated 4 times. The plot area for each treatment group was 40 square meters (8 m x 5 m). 15 days after rice transplantation, the specified dose of the test product was applied as a top dressing. The rice crop in the experimental field was grown according to good agricultural practices. Seeds of the rice variety Jaya were used for nursery raising, and 25-day-old nurseries were transplanted into the experimental field at a row spacing of 30 cm and a plant spacing of 25 cm. The nutrient doses applied in the field trial were elemental sulfur, elemental potassium, elemental magnesium, elemental zinc, and elemental iron.

[0327] Trial details

[0328] a) Trial location: Kopal, Karnataka

[0329] b) Crop: Rice (variety: Jaya)

[0330] c) Trial season: Kharif season 2023

[0331] d) Trial design: Randomized block design

[0332] e) Number of replications: 4

[0333] f) Number of treatment groups: 9

[0334] g) Plot area: 8 m x 5 m = 40 square meters

[0335] h) Transplantation date: June 16, 2023

[0336] i) Application date: July 1, 2023

[0337] j) Application method: Top dressing

[0338] k) Harvest date: September 30, 2023

[0339] Yield observations were recorded at harvest, and the average data are listed in Table 1 to illustrate the efficacy of the "sulfur, potassium, magnesium, zinc, and iron" composition prepared according to the examples of the present invention.

[0340] Table 1:

[0341]

[0342]

[0343]

[0344] As can be seen from the data in Table 1 above, compared with treatment group T2 that applied the water-dispersible granule composition with particle size in the range of 0.1 to 100 microns, or compared with treatment group T3 that applied the water-dispersible granule composition with particle size in the range of 51 to 100 microns, treatment group T1 that applied the water-dispersible granule composition with particle size in the range of 0.1 to 30 microns according to the embodiments of the present invention showed a significant increase in yield. It can be seen that the yield of treatment group T1 that applied the composition of the present invention increased by 20.35% compared with the untreated control group, while the yields of treatment groups T2 and T3 increased by only 8.69% and 5.54% respectively compared with the untreated control group. In addition, for treatment group T4 that applied the liquid suspension composition with particle size in the range of 0.1 to 30 microns of the present invention, the yield increased significantly, with a yield increase of 20.03%. In contrast, the yields of treatment groups T5 and T6 with a larger particle size range increased by only 7.90% and 4.88% respectively compared with the untreated control group. In addition, the paddy yield of treatment group T7 that applied the water-soluble granule composition with particle size in the range of 0.1 to 50 microns according to the embodiments of the present invention increased by 17.35%, while the yield of treatment group T8 that applied the composition with a larger size range increased by only 6.49% compared with the untreated control. Since the nutrient doses in each control treatment were the same, the results were even more surprising.

[0345] Table 1A:

[0346]

[0347]

[0348]

[0349]

[0350] As can be seen from the data in Table 1A above, compared with the treatment groups T2, T3, T5, T6, and T8 that applied compositions with a larger particle size range, the treatment groups T1, T4, and T7 that applied the water-dispersible granules, suspensions, and water-disintegrating granule compositions with the particle size range according to the embodiments of the present invention significantly increased the rice plant height at 60 DAA and significantly increased the tiller number at 60 DAA. It can be seen that compared with the treatment group T2 or T3, the plant height of the treatment group T1 that applied the composition of the present invention increased by 24.46% compared with the untreated control, while the treatment groups T2 or T3 only increased by 14.77% and 9.52% compared with the untreated control. In addition, at 60 DAA, the plant heights of the treatment groups T4 and T7 that applied the composition of the present invention increased by 26.92% and 25.45% respectively compared with the untreated control, while for the treatment groups T5, T6, and T8 that applied the compositions with a larger particle size range, the plant heights only increased by 15.27%, 11.49%, and 10.18% respectively compared with the untreated control. In addition, the tiller numbers of the treatment groups T1, T4, and T7 that applied the composition of the present invention increased by 23.58%, 24.05%, and 17.45% respectively compared with the untreated control, while the tiller numbers of the treatment groups T2, T3, T5, T6, and T8 that applied the compositions with a larger particle size range increased by 20.58%, 24.05%, and 17.45% respectively compared with the untreated control.

[0351] Furthermore, as can be seen from Table 1A above, compared with the control samples with a larger particle size range, applying the compositions with the particle size range according to the embodiments of the present invention significantly increased the contents of nutrients such as potassium, zinc, iron, and magnesium in the rice grains. Although the nutrient doses in each comparative treatment were the same, surprising results were still observed.

[0352] Experiment 2: Study the effects of compositions containing "sulfur, potassium, magnesium, zinc, and iron" (where the compositions are in the form of water-soluble granules and liquid suspensions) on commercial cultivated tomato crops and compare them with control samples that do not contain sulfur, zinc, iron, magnesium, and potassium:

[0353] The experiment was carried out in Pimpalgaon, Nashik, Maharashtra during the Kharif season, using a randomized block design (RBD). A total of eight treatment groups were set up, including an untreated control, with four replicates. The plot area of each treatment group was 40 square meters (8 meters x 5 meters). The components to be evaluated included sulfur, potassium, magnesium, zinc, and iron, and these components were evaluated according to the present invention and the comparative samples. The tomato crops in the experimental field were planted following good agricultural practices. Seeds of the tomato variety HS101 were used in this study, with a planting spacing of 120 cm and a plant spacing of 45 cm. The details of the experiment are as follows:

[0354] Details of the experiment

[0355] a) Test location: Pimpalgaon, Nashik, Maharashtra

[0356] b) Crop: Tomato (variety HS101)

[0357] c) Test season: Kharif season 2023

[0358] d) Test design: Randomized block design

[0359] e) Number of replications: 4

[0360] f) Number of treatment groups: 8

[0361] g) Plot area: 8 m x 5 m = 40 square meters

[0362] h) Application date: July 10, 2022

[0363] i) Application method: Side application

[0364] j) Transplanting date: July 10, 2022

[0365] k) Harvest dates: October 23, 2022; November 1, 2022; November 8, 2022

[0366] The way to observe the results is to mark the newly opened flowers once a week and count the number of marked flowers that bear fruit after one week. The fruits are harvested six times and weighed each time.

[0367] The observed results are recorded in the following table:

[0368] Table 2:

[0369]

[0370]

[0371]

[0372] * Element nutrient content

[0373] As can be seen from the data in Table 2 above, compared with treatment group T2 that applied the control sample without elemental sulfur, treatment group T3 without zinc salt, and treatment group T4 without iron salt, treatment group T1 that applied the water-disintegrating granule composition (GR) according to the embodiments of the present invention significantly increased the yield of tomatoes. It was observed that compared with the untreated control, the yield of treatment group T1 increased by 15.44%, while treatment groups T2, T3, and T4 only increased by 5.96%, 6.72%, and 6.16% respectively compared with the untreated control. In addition, compared with treatment group T6 without magnesium salt or treatment group T7 without potassium salt, the yield of T5 of the liquid suspension composition according to the embodiments of the present invention increased by 15.08%, while treatment groups T6 and T7 only increased by 7.09% and 5.70% respectively compared with the untreated control. In addition, it was observed that the plants treated with the composition of the present invention showed increased greenness and improved rooting.

[0374] Table 2A:

[0375]

[0376]

[0377] DAA – Days after application

[0378] *Elemental nutrient components

[0379] As can be seen from Table 2A above, compared with treatment groups T2, T3, T4 or T6, T7, treatment group T1 that applied the water-soluble granule composition with particle size according to the embodiments of the present invention and treatment group T5 that applied the liquid suspension composition with particle size according to the embodiments of the present invention showed significant increases in the plant height of tomatoes and the number of fruits per plant. Treatment group T2 used a control sample without elemental sulfur, treatment group T3 did not contain zinc salt, and treatment groups T4, T6, and T7 did not contain iron salt, magnesium salt, and potassium salt respectively. The plant heights of treatment groups T1 and T5 treated with the composition of the present invention increased by 16.86% and 17.52% respectively compared with the untreated control group, while the plant heights of treatment groups T2, T3, T4, T6, and T7 only increased by 6.32%, 6.98%, 6.58%, 7.77%, and 8.16% respectively compared with the untreated control group. In addition, compared with the untreated control, the number of fruits per plant of treatment groups T1 and T5 treated with the composition of the present invention increased by 16.73% and 17.99% respectively, while the number of fruits per plant of treatment groups T2, T3, T4, T6, and T7 only increased by 3.76%, 6.27%, 5.02%, 7.53%, and 5.43% respectively compared with the untreated control.

[0380] The surprising results observed in Tables 2 and 2A, using the treatment methods comprising the compositions of the present invention, can be attributed to the presence of all the elements, i.e., the insoluble salts of sulfur, potassium, magnesium, zinc, and iron at specific concentrations and formulations, with their particle sizes according to the embodiments of the present invention. It was found that the absence of any one of the elements, i.e., the insoluble salts of sulfur, potassium, or magnesium, zinc, and iron, would lead to a significant decrease in tomato fruit yield and other crop characteristics.

[0381] Experiment 3: To evaluate the efficacy of different formulations containing sulfur, potassium, magnesium, zinc, and iron, wherein the compositions have particle sizes according to the embodiments of the present invention and are applied to maize in combination with different doses of RDF (120 - 60 - 60 N - P2O5 - K2O / ha) and a composition containing only RDF:

[0382] Field experiment method:

[0383] The experiment was conducted during the Kharif season using a randomized block design (RBD), with a total of eight treatment groups (including an untreated control) and replicated four times. The maize crop in the experimental field was grown using good agricultural practices.

[0384] Experiment details

[0385] a) Experiment location: Shimoga, Karnataka

[0386] b) Crop and variety: DHM 103

[0387] c) Experiment season: Kharif season 2023

[0388] d) Experiment design: Randomized block design

[0389] e) Number of replications: 4

[0390] f) Number of treatment groups: 8

[0391] g) Plot area: 6 m x 5 m = 30 square meters

[0392] h) Sowing date: July 14, 2023

[0393] i) Application date: July 14, 2023

[0394] j) Application method: Soil application

[0395] k) Harvest date: November 22, 2023

[0396] l) Soil pH value: 6.5 - 7

[0397] Observations were recorded at the time of harvest, and the average data are listed in Table 3 to enumerate the efficacy of the compositions in the form of liquid suspensions prepared according to the embodiments of the present invention.

[0398] Table 3:

[0399]

[0400]

[0401]

[0402]

[0403] ·RDF (120-60-60N-P2O5-K2O / ha)

[0404] As can be seen from the data in Table 3, treatment group T1 uses a liquid suspension composition according to an embodiment of the present invention, wherein the RDF content is 25%. Treatment groups T2 and T3 use compositions according to an embodiment of the present invention, wherein the RDF content is 50% and 100%, respectively. Treatment groups T4, T5 and T6 use ternary compositions of sulfur, potassium and magnesium of different concentrations, wherein treatment group T4 contains 25% RDF, treatment group T5 contains 50% RDF, and treatment group T6 contains 100% RDF. Treatment group T7 uses only RDF. As can be seen from the data in the above table, compared with the use of RDF alone (treatment group T7), the yield is significantly increased by applying the composition according to an embodiment of the present invention at a formulation dosage of 24,000 g / acre, wherein the RDF content is 25%. Compared with treatment group T4 using three nutrient components, the yield of the composition of T1 of the present invention is further significantly increased.

[0405] More notably, the composition in T1 according to the present embodiment resulted in a significant reduction in N2O and CO2 emissions compared to treatment method T7, thereby making the composition environmentally friendly and eliminating the hazards associated with nitrous oxide emissions.

[0406] It is noteworthy that the treatment groups T1 and T2 using the composition of the present invention, when 25% RDF (i.e., 75% RDF reduction and 50% RDF reduction (conventional NPK fertilizer)) were applied, not only did the corn yields increase, but also the greenhouse gas emissions were significantly reduced. For example, compared with the treatment group T7 with only RDF added, the treatment group T1 using the composition of the present invention (addition of 25% RDF) had significantly reduced CO2 and N2O emissions, which was surprising.

[0407] In addition, the yield of the treatment groups T1, T2 and T3 using the composition of the present invention was significantly improved compared with the treatment groups T4, T5 and T6 using the three compositions of sulfur, potassium and magnesium.

[0408] Experiment 4: To study the effects of different components "sulfur, potassium, magnesium, zinc, and iron" in the form of water-dispersible granules and suspension concentrates according to the embodiments of the present invention, as well as comparative samples, where one comparative sample does not contain magnesium salt, the second sample does not contain zinc and potassium, and the third sample does not contain zinc, iron, and potassium, and the experiment was conducted on commercially cultivated peanut crops:

[0409] In Junagadh, Gujarat, a field experiment was conducted on peanut variety JL-501 to evaluate the effects of the compositions of the present invention. The experiment was carried out using a randomized block design (RBD), with a total of six treatment groups, including an untreated control, and repeated four times. The plot area of each treatment group was 35 square meters (7 meters x 5 meters). The test nutrient compositions in the embodiments of the present invention (in the form of water-dispersible granules or suspensions in different concentration ranges) and the specified doses of the control samples were applied as basal fertilizers at the time of sowing the peanut crops. The nutrient doses applied in the field experiment were elemental sulfur, elemental potassium, elemental magnesium, elemental zinc, and elemental iron.

[0410] The details of the experiment are as follows:

[0411] a) Test location: Junagadh, Gujarat

[0412] b) Crop: Peanut (variety JL-501)

[0413] c) Test season: Rabi 2023

[0414] d) Test design: Randomized block design

[0415] e) Number of repetitions: 4

[0416] f) Number of treatments: 6

[0417] g) Plot area: 7 meters x 5 meters = 35 square meters

[0418] h) Application date: January 26, 2023

[0419] i) Sowing date: January 26, 2023

[0420] j) Application method: Basal fertilizer

[0421] k) Harvest date: May 1, 2023

[0422] Table 4:

[0423]

[0424]

[0425] * Elemental nutrient components

[0426] As can be seen from the data in Table 4, according to the embodiments of the present invention, treatment groups T1 and T2 treated with the water-dispersible granule and suspension forms of the composition containing different concentrations of sulfur, magnesium, zinc, iron, and potassium had peanut kernel yields that were significantly increased by 24.23% and 23.14% respectively, compared with treatment group T3 without magnesium in the composition, treatment group T4 without zinc and potassium in the composition, or treatment group T5 without zinc, iron, and potassium in the composition. It can be seen that the yields of treatment groups T2, T3, and T4 increased by only 13.31%, 9.38%, and 5.24% respectively. In addition, the crops treated with the composition of the present invention had more branches and greener leaves.

[0427] Table 4A:

[0428]

[0429]

[0430] DAA - Days after application

[0431] * Element content

[0432] Further, as can be seen from Table 4A, compared with treatment group T3 without magnesium in the composition, treatment group T4 without zinc and potassium in the composition, or treatment group T5 without zinc, iron, and potassium in the composition, treatment groups T1 and T2 according to the embodiments of the present invention had an increase in the number of peanut pods per plant and an increase in the protein content in the peanuts. It can be seen that compared with the untreated control, the number of peanut pods per plant in treatment groups T1 and T2 increased by 26.47% and 25.73% respectively, while the number of peanut pods per plant in treatment groups T3, T4, and T5 increased by only 13.6%, 9.19%, and 5.14% respectively. In addition, it can be seen that compared with the untreated control, treatment groups T3, T4, and T5 increased the protein content in the peanut seeds by 14.43%, 10.30%, and 5.46% respectively, while treatment groups T1 and T2 increased the protein content in the peanut seeds by 26.92% and 26.52% respectively.

[0433] The surprising results observed in Tables 4 and 4A, when treated with the composition of the present invention, can be attributed to the presence of all elements, namely the insoluble salts of sulfur, potassium, especially magnesium, zinc, and iron, whose concentrations, formulations, and particle sizes all conform to the embodiments of the present invention. It can be further seen from the above table that compared with the composition of the present invention containing sulfur, potassium, and the salts of magnesium, zinc, and iron, treatment groups T3, T4, and T5 with combinations of four, three, and two nutrient components had a sharp decline in yield and other parameters (such as the number of peanut pods per plant or the protein content in peanut seeds). Therefore, all five components must be present in specific concentrations and forms to improve efficacy.

[0434] Test 5: To evaluate the composition of the present invention containing "sulfur, potassium, magnesium, zinc and iron", which is in the form of water-disintegrating granules, wherein the composition comprises fine particles in the size range of 0.1 micron to 50 microns, and is compared with a comparative sample in the form of water-disintegrating granules, wherein the comparative sample comprises water-soluble salts of zinc, iron and magnesium at a concentration of more than 80% (in the form of water-dispersible granules) or more than 50% (in the form of a liquid suspension), in soybeans:

[0435] Field test method:

[0436] In the soybean field test in Satara, Maharashtra, the effects of the water-soluble granules containing sulfur, potassium, magnesium, zinc and iron of the present invention and its control sample were observed. The test was carried out in the Kharif season using a randomized block design (RBD), with three treatment groups (including an untreated control) and repeated four times. The plot area of each treatment group was 30 square meters (6 m x 5 m). The water-soluble granule compositions at different concentration ranges of the present invention (test product compounds) and the control sample (at the specified dose) were applied to the soil at sowing. The soybean crops in the test field were planted according to good agricultural practices.

[0437] Test details:

[0438] a) Test location: Satara, Maharashtra

[0439] b) Crop and variety: Soybean (KPS-344)

[0440] c) Test season: Kharif season 2023

[0441] d) Test design: Randomized block design

[0442] e) Number of repetitions: 4

[0443] f) Number of treatment groups: 3

[0444] g) Plot area: 6 m x 5 m = 30 square meters

[0445] h) Sowing date: July 25, 2023

[0446] i) Application date: July 25, 2023

[0447] j) Application method: Soil application

[0448] k) Harvest date: October 28, 2023

[0449] The observed results are recorded in the following table:

[0450] Table 5:

[0451]

[0452]

[0453] As can be seen from the data in the above table, after treatment with the composition of the embodiment of the present invention and the comparative sample, compared with the treatment group T2 of the composition with a water-soluble nutrient salt content of not more than 80%, the soybean yield of the water-dispersible granule treatment group T1 of the embodiment of the present invention was significantly increased, which was 16.07% higher than that of the untreated control. In addition, it was also observed that the composition of T2 would degrade and become hygroscopic after a long time, which was not suitable for application.

[0454] Table 5A:

[0455]

[0456]

[0457] The soil nutrient contents before sowing and after treatment were estimated, and it was noted that the initial magnesium content of the treated and observed plots was 1049 ppm, the zinc content was 1020 ppm, the iron content was 980 ppm, and the potassium content was 950 ppm.

[0458] As can be seen from the data in the above table, the treatment group T1 of the composition in the form of water-dispersible granules according to the embodiment of the present invention (where the composition includes 80% water-soluble nutrient salts) showed a significant increase in the absorption of zinc, iron, magnesium, and potassium from the soil compared with the treatment group T2 of the composition including a higher concentration of water-soluble nutrient salts.

[0459] Experiment 6: To evaluate the efficacy of different formulations of sulfur, potassium, magnesium, zinc, and iron in commercial cultivated wheat crops, wherein the composition has a particle size according to the embodiment of the present invention and is compared with a comparative conventional sample having a higher particle size range:

[0460] Field test method:

[0461] A field test was conducted in a wheat field in Khetal, Haryana to observe the yield increase effect of the water-dispersible granule or suspension composition of the present invention on wheat compared with traditional granules. The test was conducted in the Rabi season, using a randomized block design (RBD), with a total of 9 treatment groups (including an untreated control), repeated 4 times. The plot area of each treatment group was 30 square meters (6 meters x 5 meters). The test compounds and their combinations in the water-dispersible granule or suspension composition of the present invention, as well as the control samples within different concentration ranges and specified doses, were applied to the soil at the first irrigation of wheat (25 days after sowing). The wheat crops in the test field were planted according to good agricultural practices.

[0462] Test details

[0463] a) Test location: Khetar, Haryana

[0464] b) Crop: Wheat (Sonalika variety)

[0465] c) Test season: Rabi season 2022

[0466] d) Test design: Randomized block design

[0467] e) Number of replications: 4

[0468] f) Number of treatment groups: 9

[0469] g) Plot area: 6 m x 5 m = 30 square meters

[0470] h) Sowing date: November 4, 2022

[0471] i) Application date: November 29, 2022

[0472] j) Application method: Soil application

[0473] k) Harvest date: March 18, 2023

[0474] Table 6:

[0475]

[0476]

[0477] As can be seen from Table 6 above, compared with treatment groups T2, T4, T6, and T8 that applied conventional granule compositions containing expanded clay with particle sizes above 75 microns, treatment groups T1, T3, T5, and T7 that applied the compositions in the form of water-dispersible granules or liquid suspensions or water-disintegrating granules (particle sizes according to the examples of the present invention) had significantly increased wheat yields. It can be seen that compared with the untreated control, treatment groups T1, T3, T5, and T7 treated with the composition of the present invention had wheat yield increases of 25.07%, 22.41%, 18.09%, and 21.42% respectively, while treatment groups T2, T4, T6, and T8 had yield increases of only 11.42%, 8.25%, 7.94%, and 8.73% respectively compared with the untreated control.

[0478] Table 6A:

[0479]

[0480]

[0481]

[0482] DAA – Days after application

[0483] As can be seen from the data in Table 6A above, compared with treatment groups T2, T4, T6, and T8, treatment groups T1, T3, T5, and T7 used water-dispersible granules or suspensions or water-disintegrating granules, and according to the embodiments of the present invention, the particle size thereof significantly increased the wheat plant height at 60 DAA, and also significantly increased the tiller number at 40 DAA. Treatment groups T2, T4, T6, and T8 used conventional granule compositions, which included expanded clay and had a particle size range above 75 microns. It can be seen that compared with the untreated control, the wheat plant heights of treatment groups T1, T3, T5, and T7 applying the composition of the present invention increased by 23.93%, 22%, 21.62%, and 20.84% respectively, while the yields of treatment groups T2, T4, T6, and T8 only increased by 9.26%, 10.81%, 9.26%, and 7.33% respectively. In addition, compared with treatment groups T2, T4, T6, and T8 applying conventional granule compositions with a larger particle size range, the tiller numbers of treatment groups T1, T3, T5, and T7 according to the embodiments of the present invention also showed a remarkable increase after 40 DAA.

[0484] Experiment 7: Study the effect of the "sulfur, potassium, magnesium, zinc, iron" composition, wherein the composition includes particles with an average particle size diameter distribution less than 1 micron. Compared with the comparative sample with a higher average particle size diameter distribution, in commercially grown rice crops:

[0485] Field test method:

[0486] A field test was conducted in the Kheda district of Gujarat to evaluate the effect of the embodiments of the composition of the present invention on rice yield.

[0487] The test was carried out in the Kharif season using a randomized block design (RBD), with five treatment groups including an untreated control, replicated four times. The plot area of each treatment group was 40 square meters (8m x 5m). 15 days after rice transplanting, the specified dose of the test product was applied as a top dressing. The rice crops in the test field were planted according to good agricultural practices. Seeds of the rice variety PUSA-205 were used for raising seedlings, and 25-day-old nurseries were transplanted into the test field at a row spacing of 30 cm and a plant spacing of 25 cm. The active doses used in the field test were elemental sulfur, elemental potassium, elemental magnesium, elemental zinc, and elemental iron.

[0488] Test details

[0489] a) Test location: Kheda, Gujarat

[0490] b) Crop: Rice (variety: PUSA-205)

[0491] c) Test season: Kharif season 2023

[0492] d) Experimental design: Randomized block design

[0493] e) Number of replications: 4

[0494] f) Number of treatment groups: 5

[0495] g) Plot area: 8 m x 5 m = 40 square meters

[0496] h) Transplanting date: June 25, 2023

[0497] i) Application date: July 10, 2023

[0498] j) Application method: Top dressing

[0499] k) Harvest date: October 3, 2023

[0500] The yield observation results were recorded at harvest, and the data are shown in the following table.

[0501] Table 7:

[0502]

[0503]

[0504]

[0505] It is clearly seen from Table 7 above that compared with the compositions having a higher particle size range, namely treatment groups T2 and T4, treatment groups T1 and T3 applied with the water-dispersible granule composition and the liquid suspension composition having the particle size range according to the embodiments of the present invention showed significantly increased yields and increased plant heights.

[0506] It can be seen that for treatment groups T1 and T3 using the compositions with an average particle size distribution less than 1 μm according to the embodiments of the present invention, the yields were increased by 24.64% and 27.94% respectively compared to the untreated control group. While for treatment groups T2 and T4 using the compositions with a particle size range of 0.1 to 100 μm and an average particle size distribution less than 30 μm, the yields were only increased by 10.17% and 12.09% respectively compared to the untreated control group.

[0507] Experiment 8: Study the effect of the "sulfur, potassium, magnesium, zinc, iron and biostimulant" composition in commercial rice cultivation, wherein the composition is a water-soluble granule, and the particle size range is in accordance with the embodiments of the present invention and combined with different doses of RDF (120 - 60 - 60 N - P2O5 - K2O / hectare):

[0508] Field test method:

[0509] The experiment was conducted at Khalifji, using a randomized block design (RBD), with three treatments replicated four times. The rice crops in the experimental field were planted using good agricultural practices.

[0510] Details of the experiment

[0511] a) Experimental site: Umargam, Gujarat

[0512] b) Crop and variety: Rice

[0513] c) Experimental season: Khalif season 2023

[0514] d) Experimental design: Randomized block design

[0515] e) Number of replications: 4

[0516] f) Number of treatment groups: 3

[0517] g) Plot area: 6 m x 5 m = 30 square meters

[0518] h) Sowing date: June 20, 2023

[0519] i) Application date: July 5, 2023

[0520] j) Application method: Soil application

[0521] k) Harvest date: October 6, 2023

[0522] l) Soil pH value: 6.5 - 7

[0523] Yield observations were recorded at harvest, and the average data are listed in Table 8 to illustrate the efficacy of the compositions containing sulfur, potassium, magnesium, zinc, and iron prepared according to the examples of the present invention.

[0524]

[0525] It is notable from Table 8 above that for treatment groups T1 and T2 that applied the water-soluble granule composition of the examples of the present invention, in the case of applying 25% RDF (conventional NPK fertilizer), compared with treatment group T3 that only applied 100% RDF, the yield increased significantly, and the carbon dioxide and methane emissions also decreased significantly. Therefore, the composition of the present invention is environmentally friendly. In addition, compared with treatment groups T2 and T3, treatment group T1 that applied the composition containing biochar (biostimulant) had a relatively larger reduction in carbon dioxide and methane emissions.

[0526] It can be observed that, when using the composition of the embodiments of the present invention, the treatment groups T1 and T2 with 25% RDF added showed higher yields than the treatment group T3 with only 100% RDF added, while significantly reducing greenhouse gas emissions. For example, compared with the treatment group T3 with only RDF added, the yield of the treatment group T1 using the composition of the embodiments of the present invention increased by 37.04%, the carbon dioxide emissions decreased amazingly by 83.25%, and the methane emissions decreased by 13.57%.

[0527] The inventors of the present invention further observed that, in addition to the magnesium salts, potassium salts, zinc salts, and iron salts listed in Tables 1 to 8 above, other magnesium salts, potassium salts, zinc salts, and iron salts in the present application also showed similar effects when applied according to the embodiments of the present invention.

[0528] It has been observed that the composition of the present invention exhibits enhanced, effective, and excellent performance in the field. The inventors have noted that applying the composition of the present invention can not only promote more sufficient and balanced absorption of magnesium (even in the presence of potassium), or promote the absorption of iron (in the presence of zinc), but also help absorb all macronutrients or micronutrients contained in the composition. In addition, it has also been observed that applying the composition of the present invention, especially in acidic soils, can promote more sufficient absorption of all nutrients. This makes the absorption of all nutrients more balanced, thereby making the plants healthier and increasing the nutritional yield. With the composition of the present invention, the application frequency or the dosage of nutrients, fertilizers, or pesticides can be minimized. The composition is very safe for both users and the environment. It has been observed that the composition of the present invention not only has a synergistic effect, but also can increase crop yields and enhance the physiological characteristics of crops, such as increasing greenness and improving leaf surfaces. Therefore, we have observed that the composition of the present invention exhibits enhanced, effective, and excellent performance in the field while reducing the application dosage. The composition of the present invention can also promote soil health.

[0529] It has also been observed that when the composition is in the form of a water-dispersible granule or a liquid suspension or a water-disintegrating granule and contains microparticles with a particle size range of 0.1 to 50 microns, the composition of the present invention can better absorb magnesium, zinc, iron, and other micronutrients as well as macronutrients captured in the soil.

[0530] In addition, various advantageous characteristics associated with the composition of the present invention include, but are not limited to, improved stability, improved toxicological and / or ecotoxicological behavior, improved crop characteristics (including crop yield, crop quality), improved rooting, lush leaves and characteristics, and other advantages familiar to those skilled in the art.

[0531] As can be seen from the foregoing, various modifications and variations can be made without departing from the true spirit and scope of the novel concept of the present invention. It should be understood that the specific embodiments shown are not intended to limit the present invention, nor should they be construed as limiting.

Claims

1. A crop nutrition and fortification composition, comprising: i. elemental sulfur; wherein, Elemental sulfur in an amount of 5% to 90% by total weight of the composition; ii. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; wherein the elemental magnesium content is 0.1% to 40% by total weight of the composition; iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; wherein the elemental potassium content is 0.1% to 40% by total weight of the composition; iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; wherein the elemental iron content is 0.1% to 45% by total weight of the composition; v. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; wherein the elemental zinc content is 0.1% to 45% by total weight of the composition; and vi. One or more excipients in an amount of 0.1% to 60% by total weight of the composition, wherein the composition comprises particles in a particle size range of 0.1 - 50 microns, and the total content of water-soluble salts or their derivatives or mixtures in the composition does not exceed 80% by total weight of the composition.

2. The composition according to claim 1, comprising: Magnesium fertilizer or its salts or derivatives or mixtures in an amount of 1% to 75% w / w of the total weight of the composition; potassium salts or their derivatives or mixtures in an amount of 1% to 55% w / w of the total weight of the composition; iron salts or their derivatives or mixtures in an amount of 0.1% to 60% w / w of the total weight of the composition; and zinc salts or their derivatives or mixtures in an amount of 0.1% to 55% w / w of the total weight of the composition.

3. The composition according to claim 1, wherein, The composition is in the form of a solid, liquid or gel.

4. The composition according to claim 3, wherein The solid composition is in the form of a water-dispersible granule, wettable powder, broadcast granule, extruded granule, water-disintegrating granule or spheronized granule.

5. The composition according to claim 4, wherein, The solid composition is in the form of a water-dispersible granule or water-disintegrating granule.

6. The composition according to claim 5, wherein The water-dispersible granule has a particle size range of 0.05 mm to 4 mm and comprises particles in a particle size range of 0.1 micron to 30 microns.

7. The composition according to claim 6, wherein The water-dispersible granule comprises particles with an average diameter distribution (D50) of less than 10 microns.

8. The composition according to claim 6, wherein, The composition in the form of a water-dispersible granule comprises particles with an average diameter distribution (D50) of less than 1 micron.

9. The composition according to claim 5, wherein, The water-disintegrating granule or spheronized granule has a particle size range of 0.05 mm to 6 mm and contains particles in a particle size range of 0.1 micron to 50 microns.

10. The composition according to claim 3, wherein, The liquid composition is in the form of a liquid suspension.

11. The composition according to claim 10, wherein The liquid suspension composition comprises: i. Elemental sulfur; wherein the elemental sulfur content is 5% to 60% by total weight of the composition; ii. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; wherein the elemental magnesium content is 0.1% to 30% by total weight of the composition; iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; wherein the elemental potassium content is 0.1% to 30% by total weight of the composition; iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; wherein the elemental iron content is 0.1% to 30% by total weight of the composition; v. one or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; wherein the elemental zinc content ranges from 0.1% to 40% of the total weight of the composition; vi. one or more excipients, the content of which ranges from 0.1% to 60% of the total weight of the composition; and, wherein the composition comprises fine particles with a particle size range of 0.1 - 30 microns, and wherein the total content of water-soluble salts or their derivatives or mixtures in the composition does not exceed 50% of the total weight of the composition.

12. The composition according to claim 11, wherein, The composition comprises fine particles with an average diameter distribution (D50) of less than 10 microns.

13. The composition according to claim 11, wherein, The composition comprises fine particles with an average diameter distribution of less than 1 micron.

14. The composition according to claim 1, wherein, The water-insoluble magnesium salts or derivatives include one or more of the following: magnesium oxide, magnesium hydroxide (milk of magnesia), magnesium molybdate, magnesium phosphate, calcium magnesium phosphate, trimagnesium phosphate, magnesium carbonate, magnesium silicate, magnesium trisilicate, magnesium aluminum silicate, calcium magnesium silicate, magnesium ammonium phosphate, magnesium humate, magnesium fulvate, magnesium oxalate, magnesium tartrate, magnesium sulfide or periclase, brucite, fluorite, ascharite, szaibelyite, suanite, magnesite, inderite, kieserite, dolomite, hydrated dolomite and struvite.

15. The composition according to claim 1, wherein, The water-soluble magnesium salts include one or more of the following: magnesium sulfate, magnesium nitrate, magnesium lignosulfonate, magnesium gluconate, magnesium glycinate, magnesium lactate, magnesium aspartate, magnesium ascorbate, magnesium acetate, magnesium citrate.

16. The composition according to claim 1, wherein The composition comprises water-insoluble magnesium salts.

17. The composition according to claim 1, wherein, The potassium fertilizers include: potassium chloride; potassium magnesium sulfate; potassium nitrate; sodium potassium nitrate; potassium hydroxide; potassium carbonate; potassium orthophosphate; potassium polyphosphate; potassium phosphate; potassium metaphosphate; potassium sulfate; potassium magnesium sulfate; potassium chloride; potassium ore; bittern potash (KCl(+NaCl+MgSO4)); plant ash and wood ash (K2CO3+KHCO3) and seaweed ash (KCl+ K2SO4); potassium fulvate; potassium humate; potassium ore powder; schoenite or picromerite; feldspar; orthoclase; sylvite; carnallite; kainite; polyhalite or plagiohalite or kainite; leucite; sodalite; gengenbachite; haigerachite; lepidolite; hazenite; kosnarite; langbeinite; leucophosphite; lipuite; manganoarrojadite (Manganoarrojadite); mantienneite; minyulite (Minyulite); parwanite; phosphofibrite; sylvinite; taranakite; tinsleyite.

18. The composition according to claim 1, wherein, The water-insoluble iron salts or derivatives include one or more of the following: iron oxide, iron hydroxide, iron phosphate, iron fumarate, iron succinate, iron sulfide, iron saccharate, iron tartrate, iron carbonyl, iron silicate, iron carbonate, ferrous oxalate (anhydrous), ferrous oxalate (dihydrate), Roaldite, wüstite, magnetite, hematite, goethite, limonite, siderite, pyrite or marcasite, ferrihydrite, chukanovite, and mixtures thereof.

19. The composition according to claim 1, wherein, The water-soluble iron salts include one or more of the following: iron sulfate, iron citrate, iron silicate, iron ascorbate, iron saccharide, iron gluconate, iron dextran, iron lignosulfonate, and iron chelates.

20. The composition according to claim 1, wherein The water-insoluble zinc salts or derivatives include zinc oxide, zinc sulfide, zinc hydroxide, zinc carbonate, zinc molybdate, zinc phosphate, zinc borate, zinc silicate, zinc pyrophosphate, zinc humate, zinc fulvate, zinc citrate, zinc oxalate, zinc monomethionine, zinc carnosine, zinc chromate, zinc nitride, zinc nitrilotriacetate (NTA), zinc phosphide, zinc selenide, zinc telluride, zinc aspartate, hydrozincite, smithsonite, periclase, sphalerite, wurtzite, hydrozincite, bryantite, hemimorphite, smithsonite, becherite, aurichalcite, hopeite, fraipontite, junitoite, enstatite, bornite, spangolite, enstatite, ekandrupite, baileychlore, poilite, cuprospinel.

21. The composition according to claim 1, wherein, The composition comprises a water-soluble zinc salt selected from one or more of the following: zinc sulfate, zinc sulfate monohydrate, zinc sulfate heptahydrate, zinc chelates, basic zinc sulfate, zinc chloride, zinc eugenol chelate, zinc lignosulfonate, zinc glycinate, zinc carbohydrate, zinc saccharide, zinc acetate, zinc gluconate, zinc polyphenol, zinc glucoheptonate, and zinc phenolate.

22. The composition according to claim 1, wherein, The composition comprises a water-insoluble iron salt and a water-insoluble zinc salt.

23. The composition according to claim 1, wherein, The excipient includes one or more of anionic and nonionic surfactants.

24. The composition according to claim 1, wherein, The excipient is selected from one or more of an emulsifier, a wetting agent, and a dispersant.

25. The composition according to claim 24, wherein The dispersant is a nonionic dispersant selected from one or more of the following: polyvinylpyrrolidone, polyvinyl alcohol, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, fatty acid ethoxylate, fatty alcohol polyoxyethylene ether, alkyl polyoxyethylene ether, EO-PO block copolymer, graft copolymer, ethylene oxide-fatty acid ester adduct, sulfate lignin polymer, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, alkylphenol polyoxyethylene ether, styrylphenyl polyoxyethylene ether.

26. The composition according to claim 24, wherein, The dispersant is an anionic dispersant selected from one or more of the following: fatty alcohol polyoxyethylene ether sulfate, triphenylvinylphenol polyoxyethylene ether phosphate, lignosulfonate, phenyl naphthalenesulfonate, alkali metal / alkaline earth metal / ammonium salts of lignosulfonic acid, lignin derivatives, alkyl aryl sulfonate, alkyl sulfonate, mixture of sodium salt of naphthalene sulfonic acid-urea-formaldehyde condensate and sodium salt of phenol sulfonic acid-formaldehyde condensate, polycarboxylate, sodium alkylbenzene sulfonate, sodium sulfonated naphthalene, sodium salt of naphthalene sulfonic acid-formaldehyde condensate, aryl sulfonic acid-formaldehyde condensate, polyaryl sulfonate, sodium alkyl aryl sulfonate.

27. The composition according to claim 1, wherein, The composition further comprises one or more of a filler or carrier or diluent, a dispersant, a colorant, an anti-caking agent, a disintegrant, a binder, a buffer or pH regulator or neutralizing agent, a pigment, a stabilizer, an antifoaming agent or defoamer, a penetrant, an ultraviolet absorber, a structuring agent, a humectant, an adhesive, an antifreeze or freezing point depressant, a chelating agent or complexing agent or polyvalent chelating agent, a preservative or bactericide or fungicide or biocide or antimicrobial agent, and an antioxidant.

28. The composition according to claim 11, wherein, The liquid suspension composition further comprises a structuring agent selected from one or more of a thickening agent, a suspending agent, a suspension aid, a viscosity regulator or rheology modifier, a thickening agent, and an anti-settling agent.

29. The composition according to claim 28, wherein, The structuring agent is present in an amount ranging from 0.01% to 20% w / w of the total weight of the composition.

30. The composition according to claim 5, wherein, The dispersibility of the water-dispersible granule composition is at least 50%.

31. The composition according to claim 5 or 11, wherein The water-dispersible granule composition or the liquid suspension composition has a suspensibility of at least 50%.

32. The composition according to claim 11, wherein, The pourability of the liquid suspension composition is less than 5% of the rinsing residue.

33. The composition according to claim 11, wherein The viscosity of the liquid suspension composition at 25 °C is from 150 cps to 2000 cps.

34. The composition according to claim 1, wherein, Optionally, the composition further comprises one or more phosphatic fertilizers or salts or derivatives or mixtures thereof; wherein the elemental phosphorus content is from 0.1% to 30% of the total weight of the composition.

35. The composition according to claim 34, wherein, The phosphatic fertilizer or its salt or derivative includes one or more of the following: elemental phosphorus; potassium phosphate; dipotassium hydrogen phosphate; potassium dihydrogen phosphate; phosphate rock; ammonium thiosulfate phosphate ((NH4)2SO4 + NH4H2PO4)); ammonium potassium sulfate phosphate ((NH4)2SO4 + NH4H2PO4 + K2SO4); ball fertilizer (ammonium sulfate + superphosphate + potassium salt + peat, wherein the phosphate form is Ca(H2PO4)2); compound fertilizer (Ca(H2PO4)2, CaHPO4, Ca3(HPO4)2); calcium phosphate; dicalcium phosphate; tricalcium phosphate; bone meal; superphosphate (Ca(H2PO4)2 + CaSO4); triple superphosphate (Ca(H2PO4)2); serpentine superphosphate (superphosphate + serpentine); fused magnesium phosphate (CaO-MgO-P2O5-SiO2 glass); calcined phosphate (Ca3(PO4)2-CaNaPO4 solid solution); phosphate mixture (superphosphate (triple superphosphate) + fused magnesium phosphate); precipitated calcium phosphate (CaHPO4); magnesium hydrogen phosphate; magnesium phosphate; ammonium phosphate; ammonium dihydrogen phosphate; diammonium hydrogen phosphate; and mixed salts, including: ammonium potassium hydrogen phosphate, potassium ammonium hydrogen phosphate, phosphorite, fluorapatite, apatite, orthoclase or microcline, turquoise, lazulite, lithium phosphate, sodium iron phosphate, sodium phosphate, brushite, silicic apatite, rootenbergite, hegbachite, hazerite, kossnarite, white vivianite, manganese sodium phosphate, manaccanite, meta-autunite, sodium autunite, potassium autunite, phosphoferrite, uraninite, stoffenite, potassium struvite, potassium aluminum phosphate, zinc aluminum phosphate, and apatite, bone meal, bone ash or mixtures thereof.

36. The composition according to claim 1, wherein The composition optionally further comprises one or more selected from micronutrients, biostimulants, and pesticidal active ingredients or mixtures thereof, wherein the additional active ingredient is present in a concentration range of 0.001% w / w to 30% w / w.

37. The composition according to claim 36, wherein, The biostimulant comprises organic carbon.

38. The method for preparing a crop nutrition and fortification composition in the form of a water-dispersible granule according to claim 5, characterized in that, The method comprises: a. Grinding a mixture of the following components: i. Elemental sulfur; ii. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; v. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; vi. One or more excipients; to obtain a slurry or wet mixture; Drying the slurry or wet mixture to obtain water-dispersible granules; wherein the granules of the composition comprise fine particles with a particle size range of 0.1 - 30 microns.

39. The method for preparing a crop nutrition and fortification composition in suspension form according to claim 11, wherein, The method comprises: a. Grinding a mixture of the following components: i. Elemental sulfur; ii. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; iii. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; iv. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; v. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; One or more excipients to obtain a slurry or wet mixture, wherein the composition comprises fine particles with a particle size range of 0.1 - 30 microns.

40. A method for preparing a crop nutrition and fortification composition in the form of a water-disintegrating granule as claimed in claim 5 or 6, wherein, The method comprises: i. Mixing the following components: a. Elemental sulfur; b. One or more water-insoluble or water-soluble magnesium salts or their derivatives or mixtures; c. One or more water-insoluble or water-soluble potassium fertilizers or their salts or derivatives or mixtures; d. One or more water-insoluble or water-soluble iron salts or their derivatives or mixtures; e. One or more water-insoluble or water-soluble zinc salts or their derivatives or mixtures; and, f. At least one agrichemically acceptable excipient to obtain a uniform powder; ii. Grinding the powder obtained in step (i) in a suitable grinding device; iii. Adding water to form a mass, and then extruding through an extruder to obtain water-disintegrating granules.

41. The crop nutrient composition and fortifying composition according to any one of the preceding claims, wherein, The composition is at least one of a fertilizer composition, a nutrient composition, a crop fortifier composition, a soil conditioner composition, or a yield enhancer composition.

42. A method for improving plant health or yield; wherein, The method comprises treating at least one of a plant, plant propagation material, its site or plant part, seeds, seedlings, or the surrounding soil with the crop nutrition and fortification composition of any one of the preceding claims.

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