Abstract: An ammonia capture and recovery system comprises five process steps, including an ammonia removal step, an ammonia recovery step, a product granulation step, a granulated product wax-coating step, and a granulated product encapsulation step. These steps are modular in that multiple approaches are valid for each step if it meets the process requirements for the next influent. Also, a method of taking ammonia-containing wastewater and producing several water fractions (preferably of decreasing volume and increasing purity) and a time-release ammonium-containing fertilizer, resulting in a sustainable nitrogenous fertilizer product that reduces fertilizer use and subsequent nutrient runoff while being produced from wastewater and not fossil fuel or hydrogen sources.

Abstract: A calcium sulfate urea (UCS) fertilizer granule and methods for making and using the same are disclosed. The granule can include urea, calcium sulfate, and a calcium sulfate urea adduct, wherein a portion of the surface of the calcium sulfate urea adduct includes a layer comprising urea, calcium sulfate, or calcium sulfate urea adduct, or any combination or all thereof.

Abstract: The invention features a fertilizer mixture containing (i) a calcium ammonium nitrate mineral fertilizer and (ii) 2-(N-3,4-dimethylpyrazole)succinic acid, or a salt thereof.

Abstract: This invention refers to a bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops, the method for manufacturing the formulation and uses thereof, particularly its use in the industry of bacterial inoculants for field and greenhouse application, and for any other place requiring an enhancement in yield and quality of vegetable crops, without using nitrogen chemical fertilizers. The bacterial inoculating formulation based on a microorganism consortium of genus Calothrix sp., to increase yield and quality of vegetable crops comprises: a) a microorganism consortium of genus Calothrix sp., at a concentration ranging from 0.05% to 10% by weight; b) a substrate or immobilizing vehicle in order to immobilize the microorganisms at a concentration ranging from 2% to 80% by weight; c) a soil pH buffer at a concentration ranging from 0% to 3% by weight, and d) moisture at a concentration ranging from 7% to 97.95% by weight.

Abstract: Methods for controlling pathogenic plant nematodes using organic soil amendments applied to soil and/or plants, methods of improving the performance and/or improving the health of a ruminant animal and methods of decreasing nematodes in a ruminant animal are described.

Abstract: Improved urease inhibitors comprise one or more polymers containing alkenylphenyl sulfonate repeat units, which may be applied to or mixed with a variety of urea-containing fertilizers in order to substantially prevent urea decomposition when applied to soil. The inhibitors may be in the form of homopolymers such as polystyrene sulfonate, or as copolymers containing alkenylphenyl sulfonate and other, different repeat units. The inhibitor polymers may be in free acid, partial salt, or complete salt forms, and are water soluble.

Abstract: Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.

Abstract: The present invention relates to increasing and/or maintaining nitrogen content in soil by administration of granular or powdered nitrification inhibitors coated with urease inhibitors. In one embodiment, urease inhibitors are dispersed in an improved organo liquid delivery system at concentration levels of 50-90%. In another embodiment, urease inhibitors were applied in a non-aqueous, organo liquid delivery system coating solid nitrification inhibitors utilizing simple blending equipment at temperatures of 20°-70° C. Another embodiment discloses a dry, flowable additive containing a nitrification inhibitor coated with a urease inhibitor which can be administered directly to the soil, to a dry natural and/or a manmade fertilizer or to a liquid fertilizer which provides for the reduction of nitrogen loss from the soil.

Abstract: Fertilizer particles described herein include a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler material embedded within a solid urea matrix. Methods of producing the fertilizer particles involve contacting a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler with molten urea under conditions sufficient to form a fertilizer particle having the powder composition embedded within a solid urea matrix.

Abstract: A concentrated aqueous suspension of microfibrillated cellulose (MFC) comprising salts for plant nutrition, the concentrated aqueous suspension comprises microfibrillated linear polymers of D-glucose molecules homogenized through a fibrillation process (cellulose microfibers), calcium ions, sulfate ions and other substances for plant nutrition, being the concentration of calcium ions and sulfate ions in excess of the concentration corresponding to the solubility of calcium sulfate in water and being the proportion of microfibrillated cellulose (MFC) within a range of 1% and 99% w/w of the suspension.

Abstract: A method for fabricating a dry composition is disclosed including combining a solid carbonate or a solid bicarbonate compound, a solid acid yielding compound, a biostimulant, and a plant nutrient. The dry composition may be processed into a tablet, dry powder, meal, or pellets and produce effervescence when a liquid, such as water or a water-based liquid is mixed with the dry composition.

Abstract: Improved, micronutrient-supplemented polymeric seed coatings are provided which include at least one polyanionic polymer in combination with respective amounts of Zn, Mn, and Cu micronutrients. Preferably, the coatings comprise polyanionic polymers having a backbone comprising dicarboxylic repeat units with Zn, Mn, and Cu bound to the backbone. The most preferred polymers contain maleic and itaconic repeat units, optionally with sulfonate repeat units. The invention also provides a method of treating seeds using the coatings, and coated seed products.

Abstract: The present invention relates to compositions for increasing a nitrogen source life span in plant growth mediums as well as methods of making these compositions. The invention also relates to compositions and methods of reacting a nitrogen source with one or more nitrification inhibitors using standard equipment for producing nitrogen sourced particles.

Abstract: The present invention relates to improving the efficiency of man-made and/or natural organic-based animal manure fertilizers by administration of formulations containing poly(organic acids), [P(OA)]s, and/or their salts dispersed in a Non-aqueous Organic Solvent Delivery System (NOSDS). Utilizing a NOSDS allows for coating all components in a fertilizer formulation including but not limited to Urea, Manure, mono-ammonium phosphate (MAP), di-ammonium phosphate (DAP), solid micronutrients such as lime, zinc chloride, etc.) with a layer of [P(OA)]s and/or their salts that liberates, in a plant available form, the micronutrient metals and macronutrients, that are bound as insoluble salts and complexes in the soil.

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core and fertilizer granule and methods related thereto. The fertilizer core particle has an outer surface and comprising one or more fertilizer additives, one or more binders, and one or more pH buffering agents, and wherein the fertilizer core particle comprises from about 10 wt % to about 99 wt % of the one or more binders.

Abstract: Methods of forming a fertilizer composition having slow-release nitrogen compounds with a molten process are disclosed. The methods include mixing of a crystalline polyethylene wax with urea and formaldehyde to form a molten methylene urea mixture. The contents of the molten methylene urea mixture react to form slow-release nitrogen compounds. Fertilizer compositions formed of or including the slow-release nitrogen compounds are also disclosed.

Abstract: A composition comprises a nonaqeuous, liquid carrier, an inhibitor compound, and a colorant composition comprising an azo colorant. A method for making the composition is also provided. A method for making a fertilizer composition using the disclosed composition is also provided.

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core and fertilizer granule and methods related thereto. The fertilizer core particle has an outer surface and comprising one or more fertilizer additives, one or more binders, and one or more pH buffering agents, and wherein the fertilizer core particle comprises from about 10 wt % to about 99 wt % of the one or more binders.

Abstract: The present disclosure generally relates to layer-wise agglomerated controlled release granular urea composition and methods of making and using the layer-wise agglomerated controlled release granular urea composition. In a particular composition, the water-soluble plant nutrient comprises urea, the binding material for the core comprises corn starch, the hydrogel for the coating layer comprises corn starch hydrogel, the core has a thickness of 2.5-3.5 mm and a closed porosity of 0.05-3%, and the coating layer has a thickness of 1.35-1.5 mm and a closed porosity of 0.1-5%.

Abstract: The present disclosure relates to an additive for soil conditioning and an agricultural composition comprising additive and plant growth regulator. The additive comprises a mixture of esters of fatty acids and an emulsifying agent. The additive of the present disclosure can be used in the conditioning of the soil which results in improvement in plant growth. The agricultural composition of the present disclosure can be used for improving soil condition and promoting plant growth.

Abstract: The present invention is incorporated in a three-part primary nutrient system for facilitating the growth of a plant in any growing media. The first part of the nutrient system comprises calcium and nitrogen and is devoid of phosphorus, potassium, magnesium, sulfur, and trace minerals. The second part of the nutrient system comprises nitrogen, phosphorus, potassium, magnesium, sulfur, and trace minerals and is devoid of calcium. The third part of the nutrient system comprises potassium, phosphorus, magnesium, sulfur, and trace minerals and is devoid of nitrogen and calcium.

Abstract: A controlled release fertilizer has been prepared comprising a nutrient core coated with one or more moisture barrier coatings, at least one of said moisture barrier coatings comprising: at least one polyethylene wax; and a thermoset polyurethane from the reaction of a polyol and a polyisocyanate. The weight ratio of thermoset polyurethane to polyethylene wax is from about 50:50 to about 98:2. The polyethylene wax is heated above the melt point of the polyethylene wax and mixed and dispersed into the polyol component of the thermoset polyurethane in a ratio of 90-70% polyol to 10-30% polyethylene wax before the thermoset polyurethane-forming mixture is applied to the surface of the nutrient core and cured. A coating of a high temperature microcrystalline wax can be applied prior to final curing of the thermoset polyurethane to the coated nutrient core particles.

Abstract: Disclosed is a method for the removal of urea dust from the off-gas of a finishing section of a urea production plant. the method comprises subjecting the off-gas to quenching with water so as to produce quenched off-gas. The quenched off-gas is subjected to humidification by mixing said quenched gas stream with a humidification fluid selected from (a) saturated steam and (b) superheated steam mixed with a second aqueous stream, so as to produce a humidified gas stream, subjecting said humidified gas stream to particle separation (i.e., dust removal) by means of a scrubbing liquid in which at least part of the particles in the gas stream are soluble.

Abstract: An integrated process for production of urea and urea-ammonium sulphate (“UAS”) comprises: a urea synthesis step carried out in a urea synthesis reactor; a recovery and concentration step, wherein a urea solution produced in the urea synthesis step is progressively concentrated in at least one recovery section and in a concentration section, recovering unreacted ammonia and carbon dioxide and water from said urea solution; a step of producing ammonium sulphate by reaction of sulphuric acid and ammonia in an ammonium sulphate production apparatus; a step of mixing said ammonium sulphate with concentrated urea coming from the concentration section to produce a UAS mixture; in the ammonium sulphate production step, at least a part of the ammonia is provided by at least one off-gas containing ammonia and recovered from the recovery and concentration step.

Abstract: A process of manufacturing a coated fertilizer comprising: providing at least partially coated fertilizer granules having an at least partial coating comprising a polymer and a wax; and conditioning the at least partially coated fertilizer granules at a temperature of 40 to 130° C. for a time of 1 minute to 4 hours, to form a coating comprising interpenetrating domains comprising polymer domains and wax domains.

Abstract: A low VOC, low vapor pressure, low flash point and nonfoaming fertilizer stabilizer composition comprises: (A) two or more glycol ethers of Formula 1 Each of R1 and R3 are independently hydrogen or phenyl with the proviso that R1 and R3 are not simultaneously hydrogen, n is an integer of 3-10, and R2 is 90 to 100% hydrogen or 0 to 10% of one or more of methyl, ethyl or phenyl; and; and at least one fertilizer stabilizer, e.g., an N-alkyl thiophosphoric triamide.

Abstract: Magnesium sulfate granulates contain at least 90 wt. % synthetic magnesium sulphate hydrate with respect to the total mass of the magnesium sulphate granulate, and have a dry loss of less than 2 wt. % determined by drying of the granulate for 2 hours at 105° C. and 1 bar. Further, a method is used for producing said magnesium sulfate granulates and to their use in urea-containing fertilizer compositions.

Abstract: A process for making a combined fertilizer comprising a first nitrogen-based fertilizer, such as urea or ammonium nitrate, and one or more further components chosen among: nitrogen-based fertilizers, being different from the first nitrogen-based fertilizer and nutrients, wherein the combined fertilizer is made by a process of granulation in a fluid bed, the fluid bed being preferably in a vortex condition.

Abstract: A fertilizer composition for application to leaves of a plant includes oxidized glutathione and one or more fertilizer components. A method for cultivating a plant includes applying oxidized glutathione and one or more fertilizer components to leaves of the plant. A fertilizer kit for application to leaves of a plant includes oxidized glutathione and a composition comprising one or more fertilizer components, wherein the glutathione and the composition in the fertilizer kit are separate from each other.

Abstract: 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.

Abstract: A controlled-release fertilizer includes oxidized glutathione and a release control agent, and a method produces the controlled-release fertilizer.

Abstract: An inhibitor composition contains alkyl thiophosphoric triamide (or a mixture of alkyl thiophosphoric triamide and dicyandiamide),dissolved in a liquid medium comprising at least one organic solvent, at least one amine stabilizer and, optionally, at least one dye and/or at least one odor masking agent, is useful in making fertilizer compositions and in a method of fertilizing target plants.

Abstract: A controlled release fertilizer has been prepared comprising a nutrient core coated with one or more moisture barrier coatings, at least one of said moisture barrier coatings comprising: at least one polyethylene wax; and a thermoset polyurethane from the reaction of a polyol and a polyisocyanate. The weight ratio of thermoset polyurethane to polyethylene wax is from about 50:50 to about 98:2. The polyethylene wax is heated above the melt point of the polyethylene wax and mixed and dispersed into the polyol component of the thermoset polyurethane in a ratio of 90-70% polyol to 10-30% polyethylene wax before the thermoset polyurethane-forming mixture is applied to the surface of the nutrient core and cured. A coating of a high temperature microcrystalline wax can be applied prior to final curing of the thermoset polyurethane to the coated nutrient core particles.

Abstract: The invention relates to a method for producing sulphate of potash granulates, wherein 0.1 to 7.5 wt % of a sodium salt selected from among sodium chloride, sodium sulphate, sodium sulphate hydrates, sodium hydroxide and mixtures thereof are added to the sulphate of potash during the granulation process, the percentage by weight being in relation to the sulphate of potash used. In addition, 0.1 to 2.5 wt % of water are added prior to or during the granulation process. The invention also relates to the granulates obtained by said method as well as the use of sodium salts and glaserite and mixtures thereof for improving the mechanical properties of sulfate of potash granulates. The sulphate of potash granulates produced by the method of the invention have significantly greater bursting strength and significantly greater abrasion resistance than granulates known from the prior art.

Abstract: Reaction products and methods for making and using such reaction products are provided. For example, a reaction product comprising an adduct formed from urea, formaldehyde, and a urease inhibitor is described, which can be provided in various forms. For example, such a reaction product can be in the form of a solid or solution. Such a reaction product can also be combined with one or more additional components, including but not limited to, additional urease inhibitor and/or a nitrogen-based fertilizer composition.

Abstract: Disclosed herein are fertilizer compositions with enhanced sulphate release, methods of making the fertilizer compositions and methods of using the fertilizer compositions. The disclosed fertilizer compositions combine elemental sulphur with small amounts (relative to the sulphur) of humic acid to enhance delivery of sulphates to soil. The humic acid is added as a humic additive, which may comprise 40% or more humic acid. In many embodiments, the presence of small amounts of humic additive enhances the release of sulphate from soil containing the fertilizer composition from about 1.5- to 4-fold over fertilizer compositions lacking the humic additive.

Abstract: An inhibitor composition contains alkyl thiophosphoric triamide (or a mixture of alkyl thiophosphoric triamide and dicyandiamide), dissolved in a liquid medium comprising at least one organic solvent, at least one amine stabilizer and, optionally, at least one dye and/or at least one odor masking agent, is useful in making fertilizer compositions and in a method of fertilizing target plants.

Abstract: 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.

Abstract: Aspects of the invention include compositions for fertilizing and remediating soil. Compositions according to certain embodiments include a cellulose nutrient composition, a microbial blend composition, a source of nitrogen, a source of phosphorus and exotic micronutrients. Methods for using compositions of the invention to fertilize and remediate soil and kits having one or more compositions for fertilizing and remediating soil are also described.

Abstract: The disclosure relates to fertilizer compositions and methods of using the compositions to grow crops. The disclosed compositions are especially useful at growing crops under drought or nutrient-deprived conditions.

Abstract: A process for production of a granular urea product in a fluidized-bed where: small droplets (10) of fresh urea melt are contacted with a cooling medium to form solid particles, said solid particles (11) are contacted with droplets of urea melt (12) which are larger than said germ particles, the solid particles and said droplets forming together larger solid particles (13), and said solid particles further increasing their size step by step and upon contact with droplets of urea melt, until the solid particles reaches a given size, and said solid particles are then subject to a further growing process by contact with liquid droplets now smaller than the solid particles, until a desired size of the granular product is reached.

Abstract: The invention concerns a method for incorporating micronutrients in an outer shell of urea-based particles, characterized in that it comprises the steps of a) applying a liquid concentrated mineral acid with a water content of at most 25 weight % to urea-based particles having a water content of at most 2 weight %, in order to at least form a double salt layer at the outer surface of the urea-based particles such that an acidified particle grasping layer is obtained, and subsequently b) applying a solid mineral base in powder form to the urea-based particles of step a) in order to react with the grasping layer of the urea-based particles; wherein the mineral acid or the solid mineral base are the source of any one of the micronutrients and wherein the liquid concentrated mineral acid and the solid mineral base in powder form are applied in a non-equimolar ratio between 0.1 and 1 mol/mol mineral acid/mineral base.

Abstract: The present invention discloses the use of a lignin compound to prepare a urea fertiliser having reduced biuret content.

Abstract: The present invention is incorporated in a three-part primary nutrient system for facilitating the growth of a plant in any growing media. The first part of the nutrient system comprises calcium and nitrogen and is devoid of phosphorus, potassium, magnesium, sulfur, and trace minerals. The second part of the nutrient system comprises nitrogen, phosphorus, potassium, magnesium, sulfur, and trace minerals and is devoid of calcium. The third part of the nutrient system comprises potassium, phosphorus, magnesium, sulfur, and trace minerals and is devoid of nitrogen and calcium.

Abstract: A liquid fertilizer adjuvant composition is provided that includes a fertilizer, a pH buffering agent, a surfactant, and one or more color indicator that produce a first color change that indicates when an pre-selected first level of field treatment has been achieved. The composition is provided as a single solution. A second color change occurs when a pre-selected second, higher level of field treatment is required. The color change indicative of a pre-selected pH, water hardness, or a combination of both. The composition is particular well suited for inclusion of a urea fertilizer.

Abstract: A proppant comprises a particle and a polymeric coating disposed about the particle. The polymeric coating comprises the reaction product of a novolac polyol, an isocyanate, and an azole. The novolac polyol has a number average molecular weight of from about 200 to about 1000 g/mol. A method of forming the proppant comprises the steps of providing the particle, providing the novolac polyol, providing the isocyanate, and providing the azole. The method also includes the steps of combining the novolac polyol, the isocyanate, and the azole to react and form the polymeric coating and coating the particle with the polymeric coating to form the proppant.

Abstract: Embodiments of the invention are directed to pelletized synthetic gypsum and methods and systems for producing pelletized synthetic gypsum. Synthetic gypsum is combined with a binder composition and pelletized to a desired size. The binder composition may include lignosulfonate. Additives may be included in the pellets such as various plant nutrients and micro-nutrients. An additive may include elemental sulfur. The resulting pellets may have a mean pellet size guide number (SGN) from approximately 150 to approximately 300 and a crush strength from approximately 2 lbf to approximately 12 lbf.

Abstract: The present disclosure relates to a novel highly concentrated phosphoric or thiophosphoric triamide formulation with enhanced stability against crystallization or freezing under extended exposure to low temperature of 0° C. or below. It also provides a method to make and use such formulations.

Abstract: The present disclosure provides a liquid composition, comprising a dialkylcarbonate, and one or more phosphoric triamide compounds. Also provided is a liquid composition, comprising a C1-C4 alcohol, a vegetable oil or petroleum distillate, a surfactant, and one or more phosphoric triamide compounds. A further aspect of the disclosure provides a method for treating a nitrogen-containing fertilizer, comprising contacting a nitrogen-containing fertilizer with the liquid compositions described herein.

Abstract: 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.