41results about "Potassium fertilisers" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

This invention provides a method and equipment for preparing compound fertilizer using lepidolite slag as raw material. The method includes the following steps: S1, pretreatment: lepidolite slag is taken, crushed, and screened to obtain lepidolite slag particles with a particle size of 40 to 400 mesh; S2, activation: lepidolite slag is thoroughly mixed with an activator and a flux, and then ground to obtain powder with a particle size less than 80 mesh, wherein the activator is sodium hydroxide and anhydrous sodium carbonate, and the flux is calcium oxide; S3, sintering: the activated and ground powder is sintered at a temperature of 650℃-1000℃ for 0.5 h-5 h; S4, compounding: trace elements are added to the sintered fertilizer, mixed evenly, and ground into powder. The method for preparing compound fertilizer using lepidolite slag as raw material provided by this invention can effectively utilize lepidolite slag to prepare compound fertilizer, solving the environmental problem of large-scale accumulation of lepidolite slag and realizing the resource utilization of waste.

The present invention relates to the field of agriculture, specifically to the composition and production of fertilizers. It relates to a novel fertilizer pastille composition that contains urea and potassium chloride or similar materials in a stable and efficient form. The invention focuses on challenges associated with urea-potassium chloride pastilles fertilizer production, such as hygroscopicity, nutrient uniformity, mechanical strength, and molten mix pastillation processes.

We supply ready-to-use nutritional compositions that have been improved for desirable plant growth. [Solution] A nutritional composition for plant growth is disclosed. The nutritional composition comprises a first major nutrient comprising nitrogen, phosphorus, and potassium, and a second major nutrient comprising calcium and sulfur. The nutritional composition may also contain micronutrients and additional second major nutrient such as magnesium. A nutritional composition containing such nutrient sources exhibits favorable plant growth. A nutritional composition for hydroponics, a water-soluble powder, and a plant growth medium containing the nutritional composition, as well as methods for using the nutritional composition, are further disclosed.

The present invention relates to a solid NPK mineral fertilizer containing silicon and sulfur, the potassium and silicon being in the form of potassium silicate, the process for preparing said NPK mineral fertilizer, and its use. Figure to be published with the abstract: Fig. 1

A composition for bio stimulation of plants, more specifically to a composition for bio stimulation of plants derived from the fermentation effluent of lactic acid bacteria (LAB) including bifidobacteria. A use of the composition for the bio-stimulation of plants and a method for the bio stimulation of plants being provided with the composition.

A homogenous granular paper mulch including fertilizer (with the fertilizer composed of natural and / or conventional synthetic ingredients). The mulch is a granular solid composed of recycled paper, fertilizer, and water. The granular product is easy to handle and apply and provides an improved environment for germinating seed.

The application discloses a preparation method of a chaenomeles fruit bio-fertilizer additive, which comprises the following steps: collecting chaenomeles fruit seeds, adding water to the chaenomeles fruit seeds to stir and extract, and concentrating to obtain a concentrated solution containing chaenomeles fruit seed gum, and then crushing the chaenomeles fruit seeds to obtain chaenomeles fruit seed powder; taking chaenomeles fruit residues, crushing the chaenomeles fruit residues, mixing the crushed chaenomeles fruit residues with citric acid, the chaenomeles fruit seed powder and water, filtering, mixing the filtered mixture with water and a compound microbial agent to ferment, and continuously fermenting the mixture to obtain a primary fermentation product; taking the concentrated solution, mixing the concentrated solution with biochar, chitosan and potassium persulfate to react, adding the secondary fermentation product to the mixture to stir and mix to obtain a mixture, and then sending the mixture to a granulator to granulate to obtain the chaenomeles fruit bio-fertilizer additive. The application fully utilizes the waste, such as peels, fermentation residues, rotten fruits and chaenomeles fruit seeds, generated in the processing of chaenomeles fruits to produce the high-quality chaenomeles fruit bio-fertilizer additive, and solves the problem of poor utilization effect of the existing chaenomeles fruit waste.

Nutrient compositions for plant growth are disclosed. A nutrient composition includes primary macronutrients, including nitrogen, phosphorus, and potassium, secondary macronutrients including calcium and sulfur. A nutrient composition may include micronutrients and additional secondary macronutrients, such as magnesium. Nutrient compositions including such nutrient sources exhibit advantageous plant growth. Hydroponic nutrient composition, water soluble powder, and plant growth mediums containing the nutrient composition, as well as methods of using the nutrient compositions, are further disclosed.

The application discloses a method for preparing potash magnesium fertilizer by using potassium salt sylvite, and comprises the following steps: (1) adding raw materials; (2) stirring and converting by heating; (3) separating mother liquor by belt vacuum filtration and keeping warm; (4) cooling and crystallizing the mother liquor by heating; (5) ore flotation; (6) product washing and drying; and (7) tailing treatment. + , Mg 2+ , SO4 2‑ resources to a tailing pond, resulting in resource loss; or the fine crystals of bloedite are precipitated by cooling in the flotation process of the mother liquor by heating, the flotation environment is deteriorated, the concentrate quality is reduced, and filtration is difficult, so that fine treatment of resources is realized; the method is simple, the problem of difficult conversion of the potassium salt sylvite is avoided, the product quality is good, the production efficiency is high, the resource utilization rate is high, and the economic benefit is good.

The application relates to the technical field of compound fertilizer, and particularly discloses a potassium-magnesium sulfate fertilizer and a preparation process thereof, which comprises the following components: crystalline potassium sulfate, crystalline magnesium sulfate and an anti-caking agent; the mass ratio of the crystalline potassium sulfate and the crystalline magnesium sulfate is (1-10):1; the crystalline potassium sulfate and the crystalline magnesium sulfate are both prepared by adopting a hot-solvent and cold-crystallization process; the anti-caking agent is modified silicon dioxide gel loaded with a moisture absorbent, the mass ratio of the moisture absorbent to the silicon dioxide gel in the modified silicon dioxide gel is (1-3):10, and the mass ratio of the anti-caking agent to the crystalline magnesium sulfate is (5-15):100. The potassium-magnesium sulfate fertilizer with different proportions of potassium sulfate and magnesium sulfate can be designed according to needs, and the risk of caking of the potassium-magnesium sulfate fertilizer during storage can be reduced.

A polyhalite suspension comprising 50-80 %w / w polyhalite, 15-40 %w / w liquid solvent and 0.5-10 %w / w dispersing agent. There is also a process of preparing the polyhalite suspension by mixing the compo

The disclosure relates to a method for preparing potassium humate fertilizer through continuous high-pressure hydrothermal reaction of potassium feldspar. The method comprises: wet grinding slurrying, hydrothermal reaction, flash evaporation filter pressing, humic acid modified potassium fertilizer preparation, and causticization and humic acid modified silicon-calcium fertilizer preparation. High-pressure tubular hydrothermal and tower-type delayed reactions on potassium feldspar slurry produce potassium aluminosilicate and potassium silicate. Alkaline potassium aluminosilicate filter residues are mixed with humic acid, modified, granulated, and dried to obtain humic acid coated slow-release potassium fertilizer. The alkaline potassium silicate filtrate and lime undergo causticization to obtain KOH solution, which is recycled to the wet grinding process. Alkaline calcium silicate and humic acid are mixed, modified, granulated, and dried to produce humic acid coated slow-release silicon-calcium fertilizer.

A method of manufacturing a fertilizer comprising biomass, consists in that the biomass comprising, in dry matter, simple and complex proteins in an amount from 8 to 30% by weight and phosphorus compounds in an amount from 1 to 3% by weight P2O5, is mixed with at least one carbonaceous raw material selected from the group comprising lignite, bark, sawdust, humus, compost, peat and straw in an amount of 5 to 20% by weight in relation to the biomass, is ground to a particle size of less than 5 mm to produce a pulp with a dry matter content from 10 to 70%, then the resulting pulp is mixed with at least one evaporite mineral selected from the group comprising polyhalite, calcite, dolomite, gypsum, anhydrite, carnallite, sylvite, barite, after which the whole is dehydrated to a dry matter content from 40 to 85%, then mixed with alkaline raw materials in an amount sufficient to control the temperature of the mixture in the range from 60 to 140°C and obtain a moisture content of less than 30%, preferably 10 to 15%, and then the product obtained is granulated to obtain granules with sizes from 1 to 5 mm, and alkaline raw materials forming inorganic coatings are applied to the surface of the granules, after which a substance forming an outer coating is sprayed.

Provided herein are mineral:amino acid complexes wherein the mineral comprises a macronutrient or micronutrient of agrochemical interest. The amino acid may comprise, for example, glycine or lysine. The mineral may comprise, for example, boron. The present disclosure also provides a method of making the mineral:amino acid complexes as well as a method of applying a mineral: amino acid complex to a plant, seed, or soil.

The application discloses a kind of ginseng continuous cropping obstacle relieving Mortierella alpina, compound microbial fertilizer and application, belong to the field of microbial fertilizer.The application screens to a Mortierella alpina with the function of antagonizing ginseng pathogenic bacteria and degrading ginseng allelochemicals, and its preservation number is CGMCC No.41798;And the Mortierella alpina bran solid fermentation is inoculated twice into the mixed culture medium composed of organic fertilizer raw materials, fermentation, and then compounded with nutrient element material, and the compound microbial fertilizer is obtained.The experimental results show that the compound microbial fertilizer provided by the application has outstanding effect in repairing ginseng post-soil and relieving ginseng continuous cropping obstacle and other applications, and can significantly improve the yield and quality of continuous cropping ginseng.The application provides a new strategy for the reuse of agricultural waste, soil improvement and efficient planting of ginseng, and has wide application prospect.

Water-based coating compositions or paint having improved gloss retention, including a latex or water-dispersible polymer, a UV-VIS absorber comprising a substituted benzophenone capable of being a free radical generator, a hindered amine light stabilizer, and optionally a low-VOC coalescent provided in a preferably desired amount. A composition comprising a blend a UV-VIS absorber comprising a substituted benzophenone capable of being a free radical generator, a hindered amine light stabilizer, and a low-VOC coalescent, providing a thermally-stable coalescent that can be used in a paint formulation for gloss retention. Gloss retention of paints containing the UV-VIS absorber and hindered amine light stabilizer being markedly improved over paints that do not have both components present.

The application provides a method for increasing carbon and yield and reducing greenhouse gas emission of farmland by returning straw to field and application thereof, and belongs to the technical field of returning straw to field. The method comprises the following steps: treating corn straw by using biogas slurry obtained by anaerobic fermentation of cow dung and corn straw, mixing the treated corn straw with EM microbial agent to carry out composting fermentation, and returning the fermented corn straw to field. The treatment and returning method of the corn straw can effectively seal the carbon source in the soil in the form of organic carbon, improve soil fertilizer, avoid emission of the carbon source in the form of greenhouse gas to the environment, and cause pollution to the environment, thereby achieving the technical effect of carbon sealing and fertilizer increasing, providing technical support for returning straw to field, and being helpful to the development of green agriculture.

This invention proposes a bio-organic fertilizer based on Bacillus subtilis HFN04 and its application in controlling cotton wilt disease, relating to the field of microbial application technology. The invention contains Bacillus subtilis (HFN04). Bacillus subtilis HFN04 bio-organic fertilizer has an improving effect on arid and saline-alkali soils in Xinjiang; it contains Bacillus subtilis (… Bacillus subtilis After being applied to the soil, the bio-organic fertilizer of HFN04 forms a dominant microbial community in the plant rhizosphere, which improves the micro-ecological environment of the crop roots, effectively prevents the invasion of pathogens, including cotton wilt, in arid and saline soil environments, and increases cotton yield.

A sprayable agricultural chemical formulation comprising an agrochemically active substance and / or nutrients and / or biostimulants, and a method for providing spray deflection control while maintaining stability and reducing incompatibilities in the formulation. The invention also includes methods for treating crops with such formulations. The agrochemical formulation comprises at least one spray deflection reducing agent, said spray deflection reducing agent being polyethylene glycol or polyacrylamide with a molecular weight in the range of 1,000,000 to 5,000,000 Daltons; a compatibilizer selected from ethoxylated polyethyleneimine, ethoxylated alkylamine quaternary ammonium, or fatty amine ethoxylates; at least one inorganic mineral solid; and optionally at least one agrochemically active substance, nutrient, or biostimulant. The formulation is characterized by the presence of a compatibilizer that reduces incompatibility between the high molecular weight spray deflection reducing agent and the inorganic mineral solid used as a rheology modifier in the final-use tank mix.

The multi-step method of making MPM includes at least a first step and a second step. The first step can be carried out at a relatively low temperature and / or a relatively low pressure. The second step can be carried out at a relatively high temperature and / or a relatively high pressure. The first step can be carried out in one or more reaction vessels and the second step can be carried out in one or more different reaction vessels.

A method of manufacturing a fertilizer comprising biomass, consists in that the biomass comprising, in dry matter, simple and complex proteins in an amount from 8 to 30% by weight and phosphorus compounds in an amount from 1 to 3% by weight P2O5, is mixed with at least one carbonaceous raw material selected from the group comprising lignite, bark, sawdust, humus, compost, peat and straw in an amount of 5 to 20% by weight in relation to the biomass, is ground to a particle size of less than 5 mm to produce a pulp with a dry matter content from 10 to 70%, then the resulting pulp is mixed with at least one evaporite mineral selected from the group comprising polyhalite, calcite, dolomite, gypsum, anhydrite, carnallite, sylvite, barite, after which the whole is dehydrated to a dry matter content from 40 to 85%, then mixed with alkaline raw materials in an amount sufficient to control the temperature of the mixture in the range from 60 to 140ºC and obtain a moisture content of less than 30%, preferably 10 to 15%, and then the product obtained is granulated to obtain granules with sizes from 1 to 5 mm, and alkaline raw materials forming inorganic coatings are applied to the surface of the granules, after which a substance forming an outer coating is sprayed.

The present invention relates to a solid NPK mineral fertiliser containing silicon and sulphur, wherein the potassium and silicon are in the form of potassium silicate, the method for preparing the NPK mineral fertilizer, and the use thereof.

This invention discloses a high-humicity microbial fertilizer and its preparation method, belonging to the field of microbial fertilizer technology. The method involves adding a mixed carrier, a protective agent, and fermentation broth to a stirred tank in a specific ratio, followed by shaking and adsorption, filtration, and drying with forced air until the moisture content of the absorbent resin powder reaches 30-35%. The powder is then continuously granulated using a granulator and sieved to obtain microbial agent granules with a particle size of 2-5 mm. The microbial agent granules and sodium humate are mixed at a mass ratio of 1-2:10 to obtain the high-humicity microbial fertilizer. The aggregated short fibers, under the adhesive and physical entanglement effects of the protective agent, increase the internal space of the microbial agent granules while improving structural stability, providing a stable growth and reproduction environment for microorganisms, and improving the long-term storage of the fertilizer and the survival rate of microorganisms after application. The enlarged microbial agent granules provide support, increasing soil looseness and providing a good respiratory environment for crop roots.

An agricultural or horticultural fertilizer, and method of making the fertilizer, featuring processed montmorillonite clay and other ingredients for improving plant growth and health. Liquid fertilizers for use in drip irrigation may comprise potash in an aqueous blend, as well as citric acid and humate. The method involves the preparation of a montmorillonite mineral-humate solution, which solution is mixed with other ingredients. In an early step, the montmorillonite and the humate are mixed with water and citric acid, and then blended or mixed over a period of time sufficient for the citric acid to leach the montmorillonite and humate into solution. The solution is then filtered to remove solid mineral residue. The filtered solution is then mixed with Aloe vera and potash to prepare a concentrated liquid.

This invention discloses a process for producing agricultural-grade potassium sulfate, desulfurized sodium bicarbonate, and agricultural-grade ammonium chloride, relating to the fields of coal chemical industry and coal mine solid waste treatment technology. The invention includes the following steps: Step 1, raw material processing; Step 2, brine preparation and refining; Step 3, membrane separation concentration; Step 4, evaporation concentration; Step 5, flash evaporation purification of heptahydrate nitrate; Step 6, preparation of agricultural-grade potassium sulfate; Step 7, preparation of desulfurized sodium bicarbonate and agricultural-grade ammonium chloride. The production process of this invention has extremely low energy consumption. Evaporation adopts a four-effect, five-body + MVR evaporation process, utilizing the energy-saving characteristics of multi-effect evaporation and improving efficiency with MVR heat pumps, eliminating the need for a fiberglass cooling tower system, and fully utilizing waste heat. Addressing the tendency of ammonium chloride to clump and stick to the walls during drying, a new type of energy-saving dry ammonium furnace is used, resulting in significant energy savings and a long equipment operating cycle. The two-stage reaction process for producing potassium sulfate from a supersaturated sodium sulfate solution improves reaction efficiency and virtually eliminates byproduct production.

The present invention relates to a potassium sulfate-enriched sulfur-bentonite fertilizer composition in pastille form, designed to provide a balanced supply of both potassium and sulfur to plants. The composition comprises potassium sulfate (4 to 30 weight percent), molten elemental sulfur (40 to 85 weight percent), and bentonite clay (3 to 20 weight percent), which are combined using a roto-form pastillation process to form uniform, stable pastilles. The potassium sulfate provides an immediate source of potassium, while the elemental sulfur is gradually released through microbial activity in the soil, ensuring a sustained nutrient supply over time. This novel formulation and production method allows scalable, cost-effective manufacturing, making it ideal for large-scale agricultural applications.

The application belongs to the technical field of lithium purification, and relates to a method for comprehensive development and utilization of magnesium sulfate sub-type salt lake resources, which comprises the following steps: adjusting the SO4 2‑ concentration and the molar ratio of Mg 2+ , SO4 2‑ in the composition of brine to be treated to preferentially precipitate K + and realize concentration and enrichment of lithium and boron elements in the salt lake brine. The application can make the brine directly precipitate potassium salt during concentration by controlling the SO4 2‑ concentration and the molar ratio of Mg 2+ , SO4 2‑ , realize separation of potassium element from the brine, and avoid precipitation of lithium element in the form of lithium sulfate by controlling the SO4 2‑ concentration in the composition of the salt lake brine, thereby improving the purity of potassium salt and the subsequent lithium element yield, solving the problem of loss of lithium in the form of lithium sulfate precipitate when the brine with a molar ratio of Mg 2+ , SO4 2‑ <4 is collected in the prior art, and the process does not need to remove magnesium, so that the loss of boron element is small, and effective recovery of boron element is realized.

The disclosure provides compositions and kits comprising i) a biofertilizer comprising a microorganism, wherein the microorganism is Xanthobacter autotrophicus, and ii) a primer of nitrogen fixation, wherein the primer is optionally glucose, fructose, or a combination thereof. In some aspects, disclosed herein are methods of using a biofertilizer and a primer of nitrogen fixation for priming nitrogen fixation, enhancing exopolysaccharides (EPS) production of a biofertilizer, enhancing microbial root colonization of a plant, and / or increasing viability of a biofertilizer.

Disclosed is a method for treating waste sodium sulphate obtained from an industrial process, the method comprising providing a solution of waste sodium sulphate, providing potassium hydroxide in solid form or as a solution having a concentration of potassium hydroxide of 25% by weight or more and mixing with the solution of waste sodium sulphate to obtain a reaction mixture to convert the waste sodium sulphate to potassium sulphate and sodium hydroxide, and recovering the formed potassium sulphate and the sodium hydroxide. Disclosed also are uses of waste sodium sulphate, and an industrial processing plant.