8007results about "Liquid fertilisers" patented technology

A method for treating a seedling by dipping the roots of the seedling into a composition containing a slow release, particulate urea-formaldehyde polymer, which is useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and to the composition useful as the root dip, or as a soil drench.

Calcium phosphite containing fertilizers, as well as methods of making and methods of using these fertilizers, are disclosed.

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.

A slow release, particulate urea-formaldehyde polymer useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and a granular fertilizer made with the particulate urea-formaldehyde polymer.

An improved solvent system for the formulation and application of N-alkyl thiophosphoric triamide urease inhibitors. These formulations provide safety and performance benefits relative to existing alternatives and enable storage, transport and subsequent coating or blending with urea based or organic based fertilizers. These formulations are comprised primarily of environmentally friendly aprotic and protic solvents (particularly dimethyl sulfoxide and alcohols / polyols) to stabilize the urease inhibitor.

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.

A concentrated fluid phosphorus fertilizer is shown. In the preferred embodiment, the concentrated fluid phosphorus fertilizer is an aqueous suspension fertilizer composition. The composition comprises one or more phosphorus-containing acids or salts thereof selected from the group consisting of phosphoric acid, polyphosphoric acid, phosphorous acid, polyphosphorous acid, hypophosphorous acid and polyhypophosphorous acid, and salts thereof. A suspension agent maintains undissolved solids in substantially homogeneous suspension wherein the suspension has a total acid and salt content of about 50% w / w to about 80% w / w. The concentrated fluid phosphorus fertilizer is a stable suspension and when diluted with water a substantially fully soluble fertilizer having acceptable pH for phosphorus uptake is formed. Methods for improving the phosphorus uptake and improving the growth rate of plants is also shown.

A phosphorous pentoxide producing method includes forming a kiln bed using feed agglomerates with a calcium-to-silica mole ratio of from 0.5 to 1.0 and maintaining a bed temperature at or above 1260° C. along a portion of the bed length without exceeding 1380° C. along the entire bed length. Less than 10% of the agglomerates' phosphate input to the kiln remains in the kiln residue as phosphate. Another method includes maintaining a bed temperature at or above 1180° C. along a portion of the bed length and establishing a bed surface-to-volume ratio multiplied by a time for bed heat up to 1180° C. of less than 50 minutes-ft2 / ft3.

Compositions for and method of degrading organic chemicals in soil. The composition is a nutrient medium serving as a substrate for micro-organisms in the soil, preferably containing a major proportion of a source of carbon skeleton and energy, a macronutrient component preferably including nitrogen and other macronutrients, and a micronutrient component, preferably also a complexing agent and a vitamin / co-factor component. This nutrient material is added to soil, e.g. soil contaminated by a pesticide, to cause proliferation of micro-organisms which are effective, or which develop effectiveness to degrade the organic chemicals. Preferably the micro-organisms are those naturally present in the soil but useful micro- organisms may be added with the nutrient medium.

The present invention relates to a liquid composition for promoting plant growth, which contains titanium dioxide nanoparticles. The composition contains, as a main component, an aqueous solution containing titanium dioxide colloids. The titanium dioxide nanoparticles have such a particle size that they can be readily absorbed to plants. A pH of the aqueous solution is adjusted in order to prevent rapid precipitation of the titanium dioxide nanoparticles in the aqueous solution, before the aqueous solution is diluted with water such that titanium dioxide has a desired concentration. Also, the composition contains adjuvants necessary for plant growth and a surfactant for dispersion. The composition allows crop yield to be increased by increasing the photosynthetic efficiency of plants, and permits increasing the bactericidal activity of plants against plant pathogens. Furthermore, the composition permits improving a problem of environmental contamination caused by the excessive use of biochemical fertilizers, and also contributes to an increase in farmer income.

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.

An integrated method is developed to utilize 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 κ-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 κ-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.

An effective conditioner-fertilizer of low and competitive cost particularly formulated for restoring or improving the cultivation properties and productivity of saline or alkaline soils, comprising: a) a chelating substance, for example sodium tripolyphosphate; b) a pH modifying or buffering substance, for example an inorganic acid; c) a surfactant, for example polyethylenglycols; and optionally, d) a plant nutrient substance, for example humic extracts which can advantageously derived from the pecan husk. The synergistic combination of polyphosphates, pH modifying and buffering substances and surfactants in the conditioner-fertilizer formulation significantly improves its effectiveness at a competitive cost. Other ingredients may also be added, for example, sodium lignosulphonate, calcium lignosulphonate and the like for modifying the physical structure of soils. The conditioner-fertilizer can be applied directly to the soil before plantation, mixed with the irrigation water or to the leaves during plant growth.

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.

The invention relates to the field of nutrient solutions, in particular to a soilless vegetable culture nutrient solution and a preparation method. The soilless vegetable culture nutrient solution is prepared from sodium nitrate, urea phosphate, potassium nitrate, ammonium sulfate, magnesium chloride, Fe-EDTA, boric acid, manganese chloride, zinc sulfate, copper sulfate, sodium molybdate, mixed nitrogen-fixing bacterium solution and a nostoc extracting solution. The nutrient solution is simple and convenient to prepare, comprehensive in nutrient ingredient, high in biological activity and good in homogeneity, can decompose self-toxic materials produced by vegetables, remarkably improve the resistance, yield and the quality of the vegetables.

Concentrated aqueous gypsum slurries containing small amounts of water soluble phosphonates are non-clogging when used in drip irrigation systems.

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.