4475results about "Liquid fertilisers" patented technology

The invention discloses a method for preparing a liquid seaweed fertilizer. The seaweeds serve as raw materials, and the method sequentially comprises the following steps: pulping and crushing fresh seaweeds or soaking and swelling dried seaweeds for pulping and crushing, performing ultrasonic extraction, performing solid-liquid separation, performing alkaline extraction on solid seaweeds, compounding the seaweed extraction solution and common fertilizers, thereby obtaining the liquid seaweed fertilizer. According to the method disclosed by the invention, the extraction efficiency of active ingredients in the seaweeds can be obviously improved, and compared with a traditional chemical extraction method, the method disclosed by the invention has the advantages that because a mild method is adopted, for example, ultrasonic extraction and relatively low temperature and dilute acid/dilute alkali assisted ultrasonic extraction are adopted, and the alkali extraction time is obviously shortened. According to the process technology, the activity of the active ingredient can be obviously preserved in the extraction process, so that high-activity seaweed extract and products thereof are obtained.

This invention relates to compositions compatible with liquid fertilizers and methods of use thereof.

The invention discloses a leaf fertilizer composition comprising sodium alginate oligosaccharide, which is characterized in that the composition comprises sodium alginate oligosaccharide, amino acid and microelements that can promote plant growth significantly, wherein sodium alginate oligosaccharide is also known as sodium alginate, sea-tangle glue and algin, is natural polysaccharide carbohydrate extracted from sea tangle, and is a copolymer comprising a-L-mannuronic acid (M), b-D-guluronic acid (G) connected with a-L-mannuronic acid (M) by 1,4-glycosidic bond, and different GGGMMM fragments; a molecular formula is (C6H7O6Na)n; the degree of polymerization is 2-10; the uronic acid constitution M/G is equal to 7:3; the uronic acid content is greater than 90%, and is 2-3% of the total content; the content of a microelement leaf fertilizer is 2-20%; and the microelement leaf fertilizer comprises at least two of sulfur, boron, ferrum, manganese, copper, zinc and molybdenum. The composition is mainly applicable to industrial crops, fruit and vegetable crops, grain crops, economic trees, flowers, lawns and the like.

Increasing longevity of the nitrogen content of soil through improved liquid delivery formulations of urease inhibitors and/or nitrification inhibitors designed to apply to fertilizers, especially urea and manure based fertilizers These delivery formulations provide an environmentally sound and inherently safe solvating system that improves the storage stability of the urease inhibitors by utilizing aprotic solvents, maintain the urease inhibitors and/or nitrification inhibitors in solution to storage temperatures of at least 10° C. and provides improved application to fertilizer of urease and/or nitrification inhibitors. These delivery formulations enable safe storage, transport and subsequent application or blending with urea based or manure based fertilizers that can be applied to soil in either a liquid or granular form to provide improved nitrogen retention in the soil for uptake for plant life.

The invention relates to a liquid fertiliser of mineral-organic origin, in which aloe vera and humic acid are used as a source of organic matter, to which is added iron, zinc, copper, manganese, boron, calcium and magnesium micronutrients in the form of soluble compounds, as well as a chelating agent and a surfactant to make the nutrients more available to the crops. The invention comprises a mineral-organic liquid fertiliser, the organic base of which is extracted from aloe vera and/or humic acid. The mineral is formed by different salts added so that the fertiliser contains the micronutrients essential for every type of soil (iron, zinc, copper, manganese, boron, calcium and magnesium). In addition, the fertiliser contains a chelating agent and a surfactant which improve the availability of the nutrients to the crops.

The present invention includes an aqueous solution, comprising boric acid and non-colloidal silicic acid. This solution can also comprise a water absorbing additive. The solution contains bioavailable non-colloidal silicic acid, and the solution is stable for more than one year. The invention also describes a method for the preparation of a solution in which one or more silicon and boron compounds are hydrolysed in an acidic solution containing one or more solved water absorbing additives.

The invention belongs to the fields of forestry and agricultural residue recycling and organic fertilizer production, and provides a method for producing an organic seaweed fertilizer employing an algae processing waste, and an organic seaweed fertilizer and an organic seaweed compound fertilizer prepared by the method. The method mainly comprises the following steps: crushing and evenly mixing the algae waste; decomposing an algae cell wall, polysaccharide and protein in an enzymolysis manner; carrying out solid-liquid separation on enzymatic hydrolysate, leaching enzymolysis algal residues to prepare extractum by adopting ethanol; mixing the enzymatic hydrolysate with the extractum to form an organic seaweed liquid fertilizer; mixing with a certain ratio of algae residue to form an organic seaweed granular fertilizer; and preparing the organic seaweed compound fertilizer after a proper amount of chemical fertilizer is added. The organic seaweed fertilizer is prepared by the wastes generated in macro-algae processing and micro-algae processing processes as the raw material, so that the operation is simple and convenient; the preparation cycle is short; a new idea for processing the wastes is provided for macro-algae or micro-algae processing enterprises; the environmental friendliness of enterprise production and processing is improved; and economic benefits of the enterprises are improved.

The invention provides a transplanting method for a big tree. The method comprises three main steps: preparation before transplantation; transplantation; and management after transplantation. The concrete steps of the method comprise root cutting and shrinking to a root ball, nutrient and water management before transplantation, pruning before transplantation, treatment of a transplanting hole and backfilling soil, tree lifting, transporting, field planting, supporting, nutrient and water management after transplantation, pruning after transplantation, soil loosening, weeding and pest and disease control. The transplanting method for the big tree provided by the invention enables the survival rate of the transplanted big tree to increase to more than 95%, which is significantly higher than the survival rate in the prior art.

The invention discloses an amaranth special soilless culture nutrient solution and a preparation method thereof. The amaranth special soilless culture nutrient solution is prepared by major elements, trace elements and water. The major elements are composed of nitrogen, phosphorus, potassium, calcium, magnesium and sulfur. The trace elements are composed of iron, manganese, copper, zinc, boron and molybdenum. The amaranth special soilless culture nutrient solution is reasonable in component, rich in nutrition and low in cost, wherein raw materials are wide in source and readily available. The amaranth special soilless culture nutrient solution provides various nutrient elements and trace elements required for the growth and the development of amaranth, so that the robust growth of amaranth is realized. The transplanting stock survival rate of amaranth and the fruit and vegetable quality are improved, so that the yield and the quality are increased. The preparation method is reasonable, simple and easy in process, high in efficiency, low in application cost, simple in operation, easy to implement and extremely high in application prospect. The amaranth special soilless culture nutrient solution and the preparation method thereof are convenient to use and apply.

Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfactants such as dihydroxyl alkyl glycinate, alkyl ampho acetate or propionate, alkyl betaine, alkyl amidopropyl betaine and alkylimino mono- or di-propionates derived from certain waxes, fats and oils. The thickening agent is used in conjunction with an inorganic water-soluble salt or organic additive such as phthalic acid, salicylic acid or their salts.

A hydrometallurgical process for the treatment of complex silver-bearing sulfide ores and concentrates that recovers substantially all silver, lead, antimony, zinc, copper and sulfur, along with the chemical reagents utilized during the process. Finely ground ores and concentrates are leached under heat and pressure with water, sulfuric acid, nitric acid, oxygen, and a catalyst, and are further treated to recover silver in the form of silver chloride; iron in the form of iron hydroxide; copper and all traces of soluble toxic metals as sulfides; zinc as zinc ammonium sulfate and specifically nitric acid, sulfuric acid, oxygen, ammonia, and ammonium compounds as valuable fertilizer products.

A thiol-ene polymeric material is disclosed. The material is produced by the photopolymerization of reactants having thiol and olefin moieties. The material can incorporate encapsulated components, including cells. Additionally, the material can be derivatized by reacting the polymeric material with components such as proteins.

The present invention relates to compositions comprising a plant material and methods for using the same. The methods include extracting or removing a substance from a substrate, or remediating a substrate from a substance. The substance can comprise a hydrocarbon-containing substance, a protein, lipid, wax, fatty acid or fatty alcohol, or a combination thereof.

Reaction products and methods for making and using the same are provided. The reaction products particularly may include adducts of two or more reactants. The adducts particularly can incorporate a nitrification inhibitor, such as DCD. In particular embodiments, reaction products may be formed from the reaction of formaldehyde, DCD, urea, and an ammonia source. The adducts may be included in agricultural products, including fertilizer compositions and nitrification inhibitor systems. Fertilizer compositions including the adducts can be beneficial for reducing leaching of nitrification inhibitors applied to soil.

A ready-to-use lawn colorant and fertilizer composition is provided in a spray bottle. The composition includes a water-based lawn paint, fertilizer with nitrogen, phosphate and potash, and water.

Improved, low-pH aqueous polymer mixtures are provided which can be applied directly to soils or incorporated within ammoniacal nitrogen-containing fertilizers to inhibit nitrification in soils, thus enhancing plant uptake of ammonium and yields. The polymers are advantageously used as metal (e.g., Ca) salts or complexes at pH levels of up to about 2. The polymers have anionic functional groups and are highly water dispersible.

The fire mitigation and moderating agent includes by weight one percent (1%) to five percent (5%) potassium hydroxide, two percent (2%) to seven percent (7%) citric acid, four percent (4%) to thirty six percent (36%) diammonium phosphate, four percent (4%) to twenty percent (20%) carbamide, and point five percent (0.5%) to four percent (4%) surface tension reducing component which comprises by weight twenty percent (20%) to fifty five percent (55%) octyldimethylamine oxide, fifteen percent (15%) to thirty five percent (35%) modified polyether organosiloxane, five percent (5%) to twenty percent (20%) sugar based surfactant, three percent (3%) to twelve percent (12%) 1,4-Bis(ethylhexyl)sodium sulfosuccinate, point zero one percent (0.01%) to point one percent (0.1%) anionic phosphate fluorosurfactant, and point one percent (0.1%) to two point five percent (2.5%) polymer adhesive mixture. The polymer adhesive mixture comprises seventy percent (70%) water and thirty percent (30%) polymer adhesive.

The invention relates to a selenium-rich chitosan nutritional microbial fertilizer. The selenium-rich chitosan nutritional microbial fertilizer is prepared from the following raw materials: sodium selenite, chitosan hydrolysate, compound trace elements, monopotassium phosphate, urea, peptone, yeast powder, NaCl, NaOH, NaNO3, NaCl, NH4Cl, K2HPO4, a beef extract, glucose, starch, calcium carbonate, amino acid, potassium nitrate, ferrous sulfate, magnesium sulfate, trisodium citrate, biochemical enzymes and a mixed bacterium liquid. Due to addition of the chitosan, the viable count of a microbial agent can be kept; the efficacy of the chitosan for keeping the viable count is put into an effective play; due to addition of the chitosan, the amount of bacteria of the microbial agent can reach 20,000,000,000/mL; due to addition of the chitosan to a bacterial manure, the yield of commercial crops can also be increased by 10%-15%; and the nutritional microbial fertilizer has the efficacies of keeping moisture and slowly releasing fertilizer efficiency.

A fungicidal composition for plants containing phosphonate (PO3) and phosphate (PO4) salts, and derivatives thereof is disclosed. The composition provides a single product which may be employed to control a Phytophthora infestans infection in plants.

A concentrated, homogenous, stable, water-soluble fertilizer suspension comprising: water-soluble mineral nutrients of at least nitrogen, phosphorous, potassium, calcium, and magnesium; and an organic stabilizing additive; and wherein the pourable, aqueous suspension has water-soluble mineral nutrients amounting to at least about 80 percent by weight (wt. %) of the suspension.

The invention relates to a planting method of selenium-rich passiflora edulis. The variety of the planted passiflora edulis is Tainung No1. The planting method comprises steps as follows: land selection, land preparation, field planting, shelving, training and pruning, fertilizer and water management, field management and pest control. According to the planting method of the selenium-rich passiflora edulis, a selenium-rich fertilizer fermentation broth obtained through fermentation of inorganic selenium fertilizer is sprayed to leaf surfaces and fruits of the passiflora edulis, the average single fruit weight of the produced passiflora edulis is 63 g, the maximum single fruit weight is 125 g, the fruit juice is reddish yellow and has strong fragrance, the acidity is 2.14%, the highest selenium content can reach 12 mu g/kg, the sweetness reaches 23% Brix, the fruit juice rate is up to 34%, the color and luster are bright, the yield is high, pollution is prevented, and five crops are harvested every year.

Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to yield agriculturally useful compositions. The preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants.

An improved composition comprising substantial spherical UFP particles and an active agent, such as NBPT, and optionally other components is used as an additive for liquid and solid fertilizers, typically containing urea. Methods of making the compositions and their use are also disclosed.

An integrated method is developed to utilise to a maximum extent the fresh biomass of seaweeds such as Kappaphycus alvarezii that can be crushed to release sap and where the sap is useful as a potent liquid fertilizer after suitable treatment with additives and dilution while the residue is a superior raw material for extraction of kappa-carrageenan, thereby enhancing the value of the seaweed. Other advantages of the invention include a reduced drying time and drying area to obtain the raw material for kappa-carrageenan production in dry and storable form, a reduced cost of transporting and storing this raw material because of its lesser bulk, easier handling due to its free flowing granular nature, and its direct use for gel preparation in certain applications.

The present technology relates to a micronutrient fertilizer comprising immediate release and sustained release components contained within a hydrated polyelectrolyte solution. The fertilizer is readily dispersed and stable over long periods of time.

Improved, solid water-soluble fertilizer (WSF) compositions are presented which comprise at least one acid (optionally nutritive) and at least one basic fertilizer component. In one or more embodiments of the present invention, the WSF compositions demonstrate improved solubility of one or more nutrients or additives in solution, do not require additional dissolution aids or anti-caking agents, demonstrate fast dissolution times, produce precipitate free solutions, are readily compounded without intermediate wetting or drying steps, do not generate gas, and demonstrate improved stability under typical usage conditions. Finally, the WSF compositions may be used in improved processes for the creation of stock solutions, optionally with cold water, and/or delivery of nutrients to plants.

The invention discloses a special water-soluble soil conditioning package for a saline-alkali land and a preparation method of the special water-soluble soil conditioning package. The soil conditioning package comprises a special soil conditioning agent as a component A and a special nutritional agent as a component B, wherein the special soil conditioning agent as the component A is prepared from 50-70 parts of monosodium glutamate tail liquid, 10-20 parts of organic matter, 1-10 parts of amino acid, 10-30 parts of nutritional element, 0.1-1 part of biostimulant, 0.01-0.5 part of stress-resistant factor and 0.01-1 part of surfactant according to certain steps; the special nutritional agent as the component B contains 5-10% of K2O, 5-15% of medium nutritional element (Ca+Mg), totally 0.1-1% of nutritional microelements (Fe+Mn+Zn+Cu+B) and 3-5% of an anti-caking agent; the nutritional microelements (Fe+Mn+Zn+Cu+B) contains 0-0.8% of Fe, 0-0.5% of Mn, 0-1% of Zn, 0-0.3% Cu and 0-1% of B. The special water-soluble soil conditioning package can condition soil in a staged and intensive manner, and pertinently provides the nutritional elements conducive to stress resistance of plants, so that reaccumulation of saline matters is avoided and nutrient deficiency symptoms of crops are prevented.

Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to yield agriculturally useful compositions. The preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants.

The invention relates to a method for preparing a liquid fertilizer by comprehensively recycling excrement and urine biogas slurry in a livestock and poultry farm. The method comprises the following steps: performing anaerobic fermentation on excrement and urine and flushing water in the livestock and poultry farm; filtering fermentation biogas slurry; drying filter residues to prepare a solid organic fertilizer; performing flocculating settling on filtrate; centrifugally filtering a flocculating constituent; combining the filtrate with supernatant formed by flocculating settling; removing macromolecular proteins and colloidal particles through ceramic membrane microfiltration; removing medium and small molecular weight proteins from microfiltration filtrate through ultrafiltration; performing reverse osmosis filtration on ultrafiltration filtrate; adding trace elements and humic acid into a reverse osmosis concentrated solution to prepare a liquid fertilizer conforming to the national standard, wherein reverse osmosis effluent reaches the national specified discharge standard. Compared with the prior art, the process has the advantages that comprehensive treatment and recycling of excrement and urine sewage in the livestock and poultry farm are realized, environmental pollution is prevented, and the prepared liquid fertilizer meets the requirements of national relevant standards on products.

The invention discloses a suspended liquid fertilizer for promoting plant root system growth and a preparation process thereof. The suspended liquid fertilizer is composed of fulvic acid, macroelement raw materials, medium-element raw materials, microelement raw materials, functional matter, a suspension auxiliary, a compound chelator, an antifoaming agent and a solution stabilizer. The preparation process comprises the following preparation steps that 1, water, potassium humate, nitrogenous fertilizer and potash fertilizer are stirred at a high speed to be prepared into a saturated mother solution; 2, water, phosphate fertilizer, the microelement raw materials, a dispersing agent, filler and a part of the antifoaming agent are stirred continuously and ground through an ultramicro grinder to form a solid-liquid mixture; 3, the saturated mother solution and the solid-liquid mixture are sufficiently mixed to be uniform in proportion in a high-speed disperser, a thickening agent, the remaining antifoaming agent and an antifreezing agent are added, and the suspended liquid fertilizer is prepared after emulsification is conducted through a high-speed emulsification pump. The suspended liquid fertilizer has the advantages that drought resistance, cold resistance and other stress resistance of crops are improved, development of crop root systems and formation of blossom buds can be promoted, and the yield and income are increased; the suspended liquid fertilizer is instantly soluble, uniform and suitable for automatic application; a suspended liquid system is good in uniformity.