246 results about "Nitrification inhibitors" patented technology

The invention provides a nitrification inhibitor and a preparation method thereof as well as stable urea and a preparation method thereof, and relates to the technical field of fertilizers. The nitrification inhibitor provided by the invention is prepared from the following components in percentage by mass: 20 to 45 percent of 3, 4-dimethyl pyrazole phosphate (DMPP), 30 to 70 percent of amino acid and the balance of auxiliaries, the auxiliary agent is one or more of polysaccharide, polyvinylpyrrolidone, poloxamer and carbomer. According to the invention, the DMPP and the amino acid are compounded, the amino acid is used as a stabilizer of the DMPP, so that the stability of the DMPP can be remarkably improved, and meanwhile, the polymer additive is used as an adhesive, so that the stability of the DMPP can be further improved. The nitrification inhibitor provided by the invention has excellent stability; the stable urea can be obtained by adopting an endogenous adding mode and adding the stable urea into the urea with relatively low loss, and the stable urea has multiple effects of improving the urea utilization rate, improving the crop quality, improving the soil biological environment, improving the soil fertility and the like.

The invention discloses a biochar-based slow-release fertilizer and a preparation method thereof, and relates to the technical field of fertilizer production, the biochar-based slow-release fertilizer comprises a core, a carrier layer, a biological layer and a protective layer, the core is composed of macroelements, microelements and a nitrification inhibitor; the carrier layer comprises graphene quantum dot modified charcoal, chitosan, glycerol and cyclodextrin grafted starch; the biological layer is prepared from magnetic Fe3O4 and humic acid nanoparticles, alginic acid oligosaccharide and diatomite; the protective layer comprises a polylactic acid-polycaprolactone block copolymer, acetone, calcium lignosulphonate, a dynamic covalent cross-linking agent gelatin, nano cellulose and an anti-blocking agent. Therefore, by adopting the polylactic acid-polycaprolactone (PLA-PCL)-based segmented copolymer and the dynamic covalent network cross-linking agent, the self-repairing property is endowed. The slow-release fertilizer provided by the invention realizes precise regulation and control of the fertilizer efficiency release rate through a multi-level synergistic effect, has the functions of soil remediation and stress resistance, and significantly improves the utilization efficiency of the fertilizer and the crop adaptability.

The invention relates to a particulate composition comprising, or substantially consisting of, urea, an inhibitor, preferably a urease inhibitor and / or a nitrification inhibitor, and an additive, wherein the additive comprises components (i) and (ii): (i) a carboxylic acid or an anhydride, salt, or derivative thereof; preferably a carboxylic acid salt or a carboxylic acid derivative, more preferably a carboxylic acid salt; and (ii) a polar polymer; preferably a water-soluble polar polymer. The invention further relates to a process for preparing the particulate composition, an additive for a particulate composition, and the use of the particulate composition as a fertilizer.

The invention provides a fertilizer synergist for reducing nutrient loss and inhibiting nitrification and application of the fertilizer synergist. The fertilizer synergist is prepared from the following components in percentage by mass: 95 to 98 percent of carboxyl cross-linked modified montmorillonite, 0.05 to 0.1 percent of mannan oligosaccharide, 0.1 to 0.5 percent of mannan, 1 to 3 percent of polyaspartate and 0.5 to 2 percent of a nitrification inhibiting aid. According to the fertilizer synergist capable of reducing nutrient loss and inhibiting nitrification and the application of the fertilizer synergist, the fertilizer synergist serves as a plant nutrient loss control synergist and a nitrification inhibitor and can activate a crop stress resistance signal source, promote and induce synthesis of endogenous auxin in plants, root and growth, activate phosphorus and dissolve potassium, reduce nitrogen loss and improve the yield of the plants. The fertilizer utilization rate is improved.

The invention relates to a particulate composition comprising, or substantially consisting of, urea, an inhibitor, preferably a urease inhibitor and / or a nitrification inhibitor, and an additive, wherein the additive comprises components (i), (ii), and optionally (iii): (i) one or more polyhydric alcohols; preferably one or more carbohydrates, preferably selected from monosaccharides, disaccharides, and oligosaccharides; (ii) a first polymer, preferably an amine-containing polymer; more preferably a polyvinylamine or a polyalkyleneimine; and (ii) optionally, a second polymer, preferably a polar polymer; more preferably a water-soluble polar polymer. The invention further relates to a process for producing the particulate composition, an additive for a particulate composition, and the use of the particulate composition as a fertilizer.

The invention relates to a fertilizer synergistic composition, a special corn fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The fertilizer synergistic composition comprises the following components in percentage by weight: 0.6%-5.0% of polyaspartic acid, 1.2%-4.0% of polyacrylamide, 0.3%-2.0% of a nitrification inhibitor and the balance of zeolite powder. The invention also provides a special corn fertilizer containing the fertilizer synergistic composition. The polyacrylamide in the composition provided by the invention can improve the soil structure, increase the porosity and air permeability of the soil, improve the water retention capacity of the soil and reduce the permeability of the soil, so that the fertility of the soil and the yield of crops are improved. According to the fertilizer synergist, the utilization degree of a fertilizer is increased, the release speed of the fertilizer is controlled, and the fertilizer can act for a long time.

The invention provides application of 3-methyl-2-oxazolidinone as a nitrification inhibitor and a nitrification inhibition method, and relates to the technical field of soil treatment. Specifically, the invention relates to application of 3-methyl-2-oxazolidinone as a nitrification inhibitor in soil treatment and / or sewage treatment and inhibition of nitrosation activity of ammonia oxidizing bacteria. The method for inhibiting nitrification comprises the step of treating soil or water containing ammonium nitrogen and ammonia oxidizing bacteria by using 3-methyl-2-oxazolidinone. The concentration of the 3-methyl-2-oxazolidinone is not less than 0.01% w / v by taking the volume of the soil or the water body as 100%. The nitrification inhibition activity of the 3-methyl-2-oxazolidinone is found, so that the variety selection of nitrification inhibitors is enriched.

Disclosed are compositions and methods of making a liquid fertilizer additive solution of polymeric and / or oligomeric heterocyclic nitrogen containing nitrification inhibitors comprising a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with heterocyclic nitrogen containing nitrification inhibitors that have one or more aldehyde reactive groups selected from the group consisting of a) primary, b) secondary amines, c) amides, d) thiols, e) hydroxyls and f) phenols. Fertilizer compositions are disclosed comprising of a) one or more polymeric and / or oligomeric heterocyclic nitrogen containing nitrification inhibitors adducts from the reaction of aldehyde(s) with heterocyclic nitrogen containing nitrification inhibitors that have one or more aldehyde reactive groups selected from the group consisting of a) primary, b) secondary amines, c) amides, d) thiols, e) hydroxyls and f) phenols b) a non-aqueous organo solvent delivery system (NOSDS), and c) one or more nitrogen sources.

The invention discloses a saline-alkali soil rhizosphere microdomain soil improvement and fertilization fertilizer and a preparation method thereof, and belongs to the technical field of saline-alkali soil treatment. The fertilizer is composed of a microbial inner core, a slow release fertilizer secondary outer layer and a soil conditioner outer layer, the microbial inner core is composed of a compound microbial agent (composed of nitrogen-fixing bacteria, phosphate solubilizing bacteria and live potassium bacteria), biochar and a polymer organic membrane material, the slow release fertilizer secondary outer layer is composed of a chemical fertilizer, an inhibitor (a nitrification inhibitor and / or a urease inhibitor) and amino acid, and the soil conditioner outer layer is composed of a soil conditioner outer layer. The soil conditioner outer layer is composed of a soil conditioner special for saline-alkali soil improvement. The method has the beneficial effects that (1) the pH value of the soil is adjusted and the soil structure is improved, so that the microbial flora can better adapt to the soil environment of the saline-alkali soil; and (2) the biochar and the isolating membrane effectively protect the activity of microorganisms, and the microorganisms are released when the pH value and the salt-based ions of the soil around the rhizosphere reach a lower level, so that the saline-alkaline obstacle of the growth of the microorganisms is overcome.

The invention relates to a soil conditioner based on nitrification inhibition and a soil acid control method, and belongs to the technical field of soil conditioning, the soil conditioner comprises the following components by weight: 20-22 parts of humic acid, 32-36 parts of syringic acid-linoleic acid modified porous hydroxyapatite, 4-5 parts of complete nitrifying bacteria, 2-5 parts of syringic acid, and 2.8-4.2 parts of sodium carboxymethyl cellulose. According to the technical scheme, syringic acid and linoleic acid serve as nitrification inhibitors, the nitrification inhibition rate can be effectively increased, ecological niches of ammonia-oxidizing archaea and ammonia-oxidizing bacteria can be reduced through competitive occupation due to addition of complete nitrifying bacteria, the nitrification rate of the ammonia-oxidizing archaea and the ammonia-oxidizing bacteria is inhibited, and N2O emission is reduced. Humic acid and hydroxyapatite can be used as pH buffer substances to regulate and control soil acidity, aluminum toxicity can be relieved, and physical and chemical properties of soil can be improved; meanwhile, the complete nitrifying bacteria can be ensured to have relatively high activity under the condition that the pH is 5.5-6.5.

An inhibited aqueous fertilizer composition and methods of use thereof.

The invention discloses a water-retention synergistic coated slow-release fertilizer and a preparation method thereof, and relates to the technical field of water-retention slow-release fertilizers. The coated slow-release fertilizer sequentially comprises a fertilizer core, an inhibitor layer, a slow-release coating layer, a bonding layer and a water-retaining slow-release layer from inside to outside. Wherein the inhibitor layer is composed of a urease / nitrification inhibitor, the slow-release coating layer is composed of organic polymer resin, the bonding layer is composed of an ethyl cellulose binder, and the water-retaining slow-release layer is composed of a modified water-retaining agent. The coated slow-release fertilizer prepared by the invention has good water retention performance, controlled release performance and salt resistance, is suitable for high-salt soil, and can obviously improve the nitrogen fertilizer utilization rate. Meanwhile, the combination of polyglutamic acid and sulfonic acid groups is used for modifying polyacrylic acid to prepare the modified water-retaining agent, so that a synergistic effect on improving the salt resistance of the coated slow-release fertilizer is achieved, the fertilizer efficiency can be improved, the loss is reduced, the soil environment is improved, and the water-retaining capacity of soil and the utilization rate of the fertilizer are improved.

The invention discloses a straw returning water-nitrogen synergistic method based on a biochemical inhibitor, and belongs to the technical field of agricultural resources and environments. The straw returning water-nitrogen synergistic method based on the biochemical inhibitor comprises the following steps that in an annona squamosa-soybean interplanting system, a water-nitrogen synergistic agent is added into an annona squamosa-soybean interplanting system; the nitrogen release and straw decomposition process is regulated and controlled through the synergistic effect of the biochemical inhibitor and water management, short-term crop requirements and long-term soil fertilization are both considered, and the water and nitrogen utilization efficiency is improved. According to the invention, a comprehensive strategy of'regulation and control of nitrogen release by a biochemical inhibitor and collaborative management of water and nitrogen 'is adopted. Release of nitrogen fertilizer is delayed through the urease inhibitor, straw decomposition and crop requirements are matched, and short-term nitrogen starvation of soybeans is avoided; generation of nitrate nitrogen is reduced through the nitrification inhibitor, nitrogen leaching and denitrification loss are reduced, and the nitrogen fertilizer utilization rate is increased; the irrigation amount is adjusted according to the straw decomposition stage and the crop growth stage, microbial decomposition is driven, and meanwhile the carbon conversion efficiency is improved.

The invention discloses a nitrogen fertilizer synergist and application thereof, and belongs to the technical field of fertilizers. The nitrogen fertilizer synergist comprises the following raw materials in percentage by mass: 15-40% of a nitrification inhibitor, 5-10% of butyl dihydrojasmonate, 1-5% of a soil loosening agent, 30-50% of a dispersing aid, 5-10% of an anti-caking agent, 0.1-5% of a trace element fertilizer and 0-5% of nutritional ingredients. According to the nitrogen fertilizer synergist disclosed by the invention, by adding the dihydro jasmonic acid butyl ester, the dispersity of the nitrogen fertilizer synergist can be improved, the fertilizer efficiency of the fertilizer is improved, the growth of plants is promoted, the stress resistance of the plants is improved, the nitrogen fertilizer synergist also has double functions of delaying nitrogen conversion and promoting nitrogen absorption, the utilization efficiency of nitrogen is further improved, and the nitrogen fertilizer synergist is relatively good in flowability and can be applied to the field of agricultural production. The nitrification inhibitor is stable in high-temperature and low-temperature environments, is convenient to use, can be directly used for particle spraying or adding of fertilizer, and solves the problem that nitrification inhibitors such as DMPP can only be used after being dissolved by special solvents.

Disclosed is a dual functional urease and nitrification inhibitor composition and method for inhibiting the hydrolysis of urea and nitrification of ammonia in soil. Methods of making the dual functional urease and nitrification inhibitor and / or a composition containing the dual functional urease and nitrification inhibitor are also disclosed.

The invention provides a combined nitrogen and phosphorus loss prevention and control method for corn-winter green manure rotation planting. Comprising the following steps: step 1, preparing soil in mid-to-late September, sowing winter green manure crops in drill, and applying a yeast substrate along with the seeds; step 2, crushing the upper part of the green manure ground in April of the next year, scattering the treated sesbania straw, and turning and pressing by a rotary cultivator; step 3, sowing the corn, and applying a nitrification inhibitor along with the seeds; step 4, applying slow-release urea while intertilling the corn in a large horn mouth period of the corn; and 5, repeating the operations from the step 1 to the step 4 every year. According to the invention, the fertilizer is saved by more than 50%, the nutrient volatilization and leaching loss is reduced by 50-85%, the fertilizer utilization rate is improved by more than 30%, the cost is saved by 100-200 yuan per mu, the soil fertility is obviously improved, the soil nitrogen and phosphorus accumulation is obviously reduced, the non-point source pollution risk is obviously reduced, the biological coverage in winter and spring is obviously increased, and the beautiful tourism scene is provided.

This invention discloses a soil improvement and fertilization fertilizer for rhizosphere micro-domains in saline-alkali land and its preparation method, belonging to the field of saline-alkali land management technology. The fertilizer consists of a microbial core, a slow-release fertilizer sub-outer layer, and a soil conditioner outer layer. The microbial core is composed of a compound microbial agent (composed of nitrogen-fixing bacteria, phosphate-solubilizing bacteria, and potassium-active bacteria), biochar, and a high-molecular organic membrane material. The slow-release fertilizer sub-outer layer is composed of chemical fertilizers, inhibitors (nitrification inhibitors and / or urease inhibitors), and amino acids. The soil conditioner outer layer is composed of a soil conditioner specifically for saline-alkali land improvement. The advantages of this invention are: (1) it first adjusts the soil pH and improves the soil structure, so that the microbial community can better adapt to the soil environment of saline-alkali land; (2) the biochar and the isolation membrane effectively protect the microbial activity, and release the microorganisms when the soil pH and base ions around the rhizosphere reach a low level, overcoming the saline-alkali barrier to microbial growth.

The invention relates to the technical field of fertilizers, and discloses a water-retaining slow-release fertilizer and a preparation method thereof. The nitrogen fertilizer is prepared from the following raw materials in parts by weight: 30 to 40 parts of nitrogen fertilizer, 15 to 20 parts of chitosan, 1 to 2 parts of urease inhibitor, 3 to 5 parts of maleic anhydride grafted compatilizer, 100 parts of acetic acid solution, 20 to 25 parts of acrylamide, 1 to 2 parts of 2-mercaptobenzoic acid, 0.4 to 0.6 part of ammonium persulfate, 0.4 to 0.6 part of tetramethylethylenediamine, 4 to 6 parts of calcium carbonate powder, 10 to 15 parts of talcum powder and 0.3 to 0.5 part of nitrification inhibitor. According to the invention, chitosan and acrylamide are copolymerized and prepared into the hydrogel, and the three-dimensional network structure contains a large amount of hydroxyl groups, so that the water absorption and holding capacity of the polymer can be greatly improved. The nitrogen fertilizer is wrapped by a three-dimensional network structure of the polymer, is gradually hydrolyzed when encountering water, and cooperates with the urease inhibitor grafted on the polymer and a coating film formed on the surface, so that an efficient slow-release and controlled-release effect is achieved.

The invention relates to the field of fertilizers, in particular to a stable fertilizer for nitrogen fixation and emission reduction of a rice field and a preparation method of the stable fertilizer. The fertilizer core comprises the following components: 28-32 parts of ammonium sulfate, 4-6 parts of monoammonium phosphate, 8-12 parts of potassium sulfate, 0.15-0.50 part of a composite nitrification inhibitor, 1-3.5 parts of zinc sulfate monohydrate and 1-2 parts of borax; wherein the composite nitrification inhibitor is obtained by mixing 3, 4-dimethyl-pyrazole phosphate and a phenylboronic acid-phosphoryl compound in a mass ratio of (2-7): 1. The fertilizer product has a scientific and reasonable formula, the long-acting nutrient content and the trace element substance composition are reasonable, the controlled release function is achieved, nutrients needed by rice growth can be met, the fertilizer utilization rate is increased, and the yield and the quality are improved.

The invention discloses a method for improving the efficiency of phytoremediation of heavy metal contaminated soil and the carbon immobilization amount in the process of phytoremediation of heavy metal contaminated soil through cooperation of organic acid and a nitrification inhibitor, and relates to the technical field of phytoremediation and greenhouse gas carbon sequestration and emission reduction. According to the method, organic acid (1 kg.ha-1 polyglutamic acid) and a nitrification inhibitor (10 kg.ha-1 dicyandiamide) are added in the phytoremediation period of the hybrid pennisetum, the growth index and biomass of the remediation plant hybrid pennisetum can be increased, the extraction amount of heavy metal Cd, Pb and Zn of the hybrid pennisetum can be effectively increased, meanwhile, emission of N2O in soil is slowed down in the phytoremediation process, and the yield of the hybrid pennisetum is increased. The carbon sequestration amount of plants is increased, and the method is very suitable for popularization and application in greenhouse gas emission reduction of the heavy metal contaminated soil.

The invention relates to the technical field of environmental engineering, agricultural chemistry or microbiology, and provides a nitrification inhibitor and application thereof. The nitrification inhibitor is N-ethylpiperazine, the growth of AOB can be inhibited at a low dosage (10 mg / L or 0.1 g / kg) so as to inhibit nitrification, and the ecological toxicity and potential biological accumulation of the nitrification inhibitor are not reported in a chemical safety technical specification (SDS), so that the nitrification inhibitor is environment-friendly and can be applied to water treatment and nitrification inhibition in soil.

The invention discloses an anti-leaching nutrient slow-release synergistic compound fertilizer, and particularly discloses an anti-leaching nutrient slow-release synergistic compound fertilizer and a preparation method thereof. The compound fertilizer comprises the following components in parts by weight: 30-50 parts of urea particles, 15-25 parts of monoammonium phosphate, 20-30 parts of potassium sulfate, 2-5 parts of a slow-release synergistic coating agent, 1-3 parts of a bonding wrapping layer and 10-20 parts of a filling material. The slow-release synergistic coating agent comprises polyaspartic acid (PASP) and a composite inhibitor (a urease inhibitor and a nitrification inhibitor), and the bonding wrapping layer is made of a polyvinyl alcohol / sodium polyethylene acid-based cementing material. The preparation method comprises the following steps: mixing and granulating raw materials, carrying out primary coating (slow-release synergist), carrying out secondary coating (bonding a coating layer), and drying and screening. Through the synergistic effect of the double coating technology and the compound inhibitor, the nitrogen conversion and release are obviously delayed, the nutrient leaching loss is reduced by 20-40%, the fertilizer utilization rate is improved by 25-30%, and the compound fertilizer is suitable for high-temperature and rainy areas.

The invention discloses application of catechin as a nitrification inhibitor, a use method of catechin as a nitrification inhibitor, a preparation method of a fertilizer formed by the catechin and the fertilizer. According to indoor simulation and field plot and field experiments, the catechin shows a good inhibition effect on soil ammonia oxidizing bacteria when the dosage per mu is 40.0-100.0 g, conversion from ammonium nitrogen to nitrate nitrogen can be effectively delayed, and compared with a traditional nitrification inhibitor, the catechin has the advantage in the later stage of nitrification inhibition.

A fertilizer composition comprising a solidified nitrogen fertilizer melt, said melt comprising one or more cyclodextrin inhibitor inclusion complexes comprising at least one c cyclodextrin and / or derivative thereof complexed with an inhibitor, and methods for producing and using the same are disclosed. The inhibitor comprises at least one nitrification inhibitor and / or at least one urease inhibitor. The one or more cyclodextrin-inhibitor inclusion complexes is homogeneously dispersed throughout the solidified nitrogen fertilizer melt.

The invention discloses a preparation method of a stabilized fertilizer and granulation equipment for production, and relates to the technical field of fertilizer production, and the preparation method comprises the following steps: heating a nitrogen fertilizer in a melting tank to a molten state, and sequentially adding a crushed potash fertilizer, a crushed phosphate fertilizer, a crushed trace element fertilizer and a nitrification inhibitor into the melting tank to obtain a molten mixed fertilizer; feeding the molten-state mixed fertilizer to a high-tower granulation device to obtain an inner core; polylactic acid, acetone, alginate oligosaccharide, glycerin and starch are sequentially sent to a stirring kettle to be stirred and mixed, the mixture is sprayed to the outer wall of the cooled inner core, and an adhesion layer is formed on the outer wall of the inner core after drying; spraying the slurry to the surface of the adhesion layer, and then drying at low temperature to form a dormant bacterium layer on the outer wall of the adhesion layer; and spraying the coating solution to the outer wall of the dormant bacterium layer, and performing low-temperature cooling to obtain an outer coating layer. Therefore, through the combination of the inner core, the adhesion layer, the dormant bacterium layer and the outer coating layer, the fertilizer efficiency release rate is greatly slowed down, so that the fertilizer provided by the scheme can be more lasting and effective.

The invention provides a nitrification inhibitor for promoting root hair growth, a biostimulant and a preparation method and application of the biostimulant, the nitrification inhibitor comprises 3, 4-dimethylpyrazole and streptomyces fermentation liquor with the weight ratio of 1: (2.5-4.0), and the streptomyces fermentation liquor contains organic acid. The nitrification inhibitor provided by the embodiment of the invention can effectively promote the growth of root hair, further, the biostimulant prepared from the nitrification inhibitor can effectively induce up-regulation expression of auxin related genes ZmARF10, ZmYUC2, ZmYUC3, ZmYUC5, ZmPIN1 and ZmPIN9, the growth of crop root hair is promoted, the root activity of plants is greatly improved, the high-quality growth and yield of crops are promoted, and meanwhile, the biostimulant has good application prospects. The raw materials of the biostimulant are easy to obtain, the preparation method is simple, and industrialization is easy to realize.

The invention provides an application of a nitrification inhibitor and biochar as a soil conditioner in enhancing drought resistance of plants, a preparation method of the biochar is as follows: moso bamboo stalks are taken as raw materials, pyrolysis is performed for 4-8 hours under an anoxic state of 250-400 DEG C, soil is red soil, and the plant is polygonatum cyrtonema, and an application method comprises the following steps: adding a nitrogen fertilizer into the soil, the addition amount of the nitrification inhibitor is 1% of the content of nitrogen added to the soil, and the addition amount of the biochar is 3% of the mass of the soil. Through combined application of the biochar and the dicyandiamide, the drought resistance of the polygonatum cyrtonema and the benefits of soil microbial communities are remarkably improved.

The invention belongs to the technical field of crop straw treatment, and particularly discloses a low-carbon straw multifunctional biological compound fertilizer as well as a preparation method and application thereof. According to the biological compound fertilizer provided by the invention, functional microbial strains are scientifically proportioned, a microbial immobilization technology is utilized for loading, and efficient strains, EM bacteria and a nitrification inhibitor are combined for application, so that the straw returning effect can be improved, carbon sequestration and emission reduction can be realized, and agricultural sustainable development can be promoted.

Fertilizers with urease inhibitors and / or nitrification inhibitors are described. The fertilizer can include an extruded granule containing urea, a polymeric binder, and a nitrification inhibitor and / or an urease inhibitor.

The present invention comprises one or more organic solvents that create a non-aqueous organo solvent delivery system, (NOSDS), and one or more Organo Polycarboxylate functionalities, OPCF, that results in a stable, non-aqueous solution that can easily, safely, evenly and economically coat nitrogen source granules and / or be added to a mobile liquid form of a nitrogen source such as an aqueous dispersion, pressurized ammonia gas or molten urea and / or molten modified urea. Using these solvents provides more flexibility for nitrogen source manufacturers to produce nitrogen sources designed for a particular soil or plant. The liquid solutions are comprised of NOSDS and OPCFs and one or more of a) nitrification inhibitors, b) urease inhibitors, c) pesticides, d) fungicides, e) herbicides, f) insecticides and g) micronutrients.