3837results about "Microorganism based treatment" patented technology

The invention discloses a bacillus subtilis microbial agent for promoting decay of corn straws and application of the bacillus subtilis microbial agent, the preservation date of bacillus subtilis K15 is May 21, 2024, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30716. The bacillus subtilis K15 has the advantages that the preservation number is CGMCC No.30716; the bacillus subtilis K15 is screened from soil in North China Plain, tests prove that the strain produces carboxymethyl cellulase, decomposition of corn straw can be effectively promoted, the decomposed straw provides a fertilizer source for wheat growth, growth of wheat plants and root systems is promoted, and the wheat yield is effectively increased. According to the invention, the function of the bacillus subtilis in straw decay promotion under the winter low-temperature condition in North China Plain is excavated, and a new strain resource is provided for a microbial fertilizer.

The invention discloses a bio-organic fertilizer for repairing heavy metal cadmium in soil and a preparation method of the bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The organic fertilizer is prepared from the following raw materials in parts by weight: 7-12 parts of a compound microbial agent, 30-40 parts of modified charcoal, 3-8 parts of sodium alginate, 6-8 parts of a chelating agent and 60-80 parts of decomposed edible fungus residues. The compound microbial agent is prepared from potassium-solubilizing paenibacillus mucilaginosus MSSW02, pseudomonas plecoglossicida and bacillus aryabhattai; the chelating agent is composed of calcium humate and nano-hydroxyapatite according to the mass ratio of 100: (3-5). The multi-component synergistic effect is achieved, the content of heavy metal in soil is effectively reduced, especially the content of heavy metal Cd, meanwhile, rich organic matter is contained, the physical and chemical properties of the soil can be remarkably improved, the water and fertilizer retention capacity of the soil is improved, and crop growth is promoted; the remediation effect on medium-light cadmium polluted farmland soil is good, and the growth promoting effect on crops is remarkable.

The invention discloses Trichoderma longibrachiatum NT241 and application thereof, the microbiological classification name of the Trichoderma longibrachiatum NT241 is Trichoderma longibrachiatum NT241, the Latin literature name of the Trichoderma longibrachiatum NT241 is Trichoderma longibrachiatum NT241, the preservation number of the Trichoderma longibrachiatum NT241 is CGMCC (China General Microbiological Culture Collection Center) No.41139, and the preservation address of the Trichoderma longibrachiatum NT241 is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The trichoderma longibrachiatum NT241 disclosed by the invention grows quickly, the generated endo-beta-glucanase and manganese peroxidase are relatively high in activity, the degradation of straws of crops such as oilseed rape and wheat is promoted by adding the liquid fungicide, and an efficient microbial resource can be provided for straw returning utilization.

The invention relates to bacillus velezensis and application thereof in preparation of a water-soluble microbial agent, and belongs to the technical field of microorganisms. The bacillus velezensis has the effects of producing exopolysaccharides, promoting the formation of soil aggregates, degrading abamectin, hydrolyzing protein, producing indoleacetic acid, promoting the growth of tomato plants and promoting the enzyme activity of tomato rhizosphere soil enzyme. The fertilizer not only has the effects of improving the soil aggregate structure and promoting the growth of tomato plants, but also can accelerate the temperature rise of the abamectin fermentation waste residue compost, prolong the high-temperature period and shorten the compost period, and is beneficial to promoting the harmless treatment and resource utilization of the abamectin fermentation waste residue.

The invention relates to bacillus velezensis and application thereof in preparation of a multifunctional straw decomposition agent, and belongs to the technical field of microorganisms. The bacillus velezensis has the functions of producing cellulase, producing xylanase, degrading abamectin, decomposing inorganic phosphorus and degrading straws; when straw is returned to the field, the multifunctional straw decomposition agent provided by the invention not only can accelerate the decomposition speed of straw, decompose abamectin residues in soil and improve the soil ecology, but also can promote the growth of pepper plants and enhance the stress resistance of the pepper plants, and has a good comprehensive application effect.

The invention provides a coal gangue organic fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The coal gangue organic fertilizer is prepared by uniformly mixing modified coal gangue, forestry and agricultural residues and a microbial agent, performing high-temperature aerobic composting and aging. Organic components of the coal gangue and nutrient elements such as nitrogen, phosphorus, potassium, calcium and the like required by plant growth are fully utilized, the carrier effect of the coal gangue is also played, and the coal gangue organic fertilizer prepared from the modified coal gangue has a relatively high decomposition degree and is greatly beneficial to seed growth. According to the invention, on one hand, the problems of large stockpiling land occupation and environmental pollution of coal gangue, forestry and agricultural residues and other solid wastes are relieved, and on the other hand, the prepared organic fertilizer can turn waste into wealth and realize solid waste recycling.

The invention discloses a tea fertilizer preparation method based on microbial fermentation, and particularly relates to the field of tea compost, tea waste is crushed and wetted, and a nitrogen source and trace elements are added to optimize the carbon nitrogen ratio, so that a foundation is laid for the fermentation process; then, selected microbial strains are proliferated and purified, and the treated waste materials are uniformly inoculated with the selected microbial strains; in the fermentation process, the stability of fermentation conditions is ensured by controlling the temperature and the humidity; the tannin concentration and the pH value are monitored in real time, when the tannin concentration exceeds a preset value and the pH deviates from a normal range, the abnormal state of tannin degradation is evaluated and identified through a reaction activity index, an interference source is positioned through a sparse principal component analysis algorithm, and noise signals are removed; and after the interference source is positioned, the fermentation condition is adjusted in a targeted manner, so that the tannin degradation efficiency reaches the expectation, and the compost is maturely fermented and meets the fertilizer use standard.

The invention discloses a microbial synergistic slow-release fertilizer and a preparation method thereof. The fertilizer comprises an organic-inorganic mixture, microbial agent microcapsules and a coating layer. The preparation method mainly comprises the following steps: firstly, through a sectional fermentation process, mixing corn straws with humic acid, adding an improved microbial inoculum for fermentation, and premixing biochar with ammonium dihydrogen phosphate and potassium sulfate to improve the nutrient adsorption efficiency; embedding beneficial microorganisms such as nitrogen-fixing bacteria, phosphate solubilizing bacteria and the like with the seaweed extract to prepare a microcapsule fungicide with high survival rate, and forming slow-release fertilizer particles with the organic-inorganic mixed material through a specific granulation process; and finally, coating the surfaces of the particles, forming a basic slow-release film by using a sodium alginate-diatomite mixed solution, and further wrapping environment-sensitive hydrogel, the microbial synergistic slow-release fertilizer disclosed by the invention is particularly suitable for planting crops such as rice in saline-alkali soil, and has remarkable agricultural application value and environmental friendliness.

The invention relates to a tea garden acidic soil conditioner, which is prepared from the following raw materials in parts by weight: 10 to 15 parts of alkaline conditioning materials, 10 to 30 parts of honey pomelo waste fruit fermented organic fertilizers, 4 to 6 parts of alkali modified biochar, 2 to 4 parts of biostimulant, 3 to 5 parts of graft modified chitosan, 0.25 to 0.6 part of dicyandiamide, 0.5 to 1 part of complex microbial inoculants, 0.25 to 0.5 part of binding agents and 0.006 to 0.012 part of trace element substances. The alkaline conditioning material is a mixture of magnesium-containing mineral substances and shell powder in a mass ratio of 10: (2-5); the graft modified chitosan is obtained by grafting and modifying chitosan through an unsaturated phosphorus-containing monomer and an unsaturated nitrogen-sulfur-containing monomer, and the grafting rate is 20-30%; the biostimulant comprises mineral source fulvic acid, magnesium sulfate, monopotassium phosphate and a seaweed extract. The tea garden acidic soil conditioner provided by the invention can effectively improve tea garden soil, so that the yield and quality of tea leaves are obviously improved.

The invention relates to the technical field of edible fungus cultivation and soilless culture, in particular to a preparation method and application of an organic ecological soilless culture substrate for dictyophora rubrovolvata. Auxiliary materials such as perlite, vermiculite, river sand and wood chips are mixed according to the proportion, and the soilless culture substrate is prepared. The matrix is completely used for soil-covered cultivation of dictyophora rubrovolvata, compared with a traditional cultivation mode, dictyophora rubrovolvata hyphae germinate quickly and grow vigorously, the conversion rate of mushroom buds (mushroom eggs) is high, the fruiting amount is large, meanwhile, the content of nutritional ingredients is increased, limited indexes such as heavy metal are obviously reduced, and the quality of dictyophora rubrovolvata products is effectively improved. According to the method, a new mode of soilless culture of edible mushrooms is constructed.

The invention discloses a multifunctional low-temperature corn straw degradation complex microbial inoculant, a preparation method and application, the complex microbial inoculant is compounded by a plurality of microorganisms with straw degradation, potassium dissolving and growth promoting functions, and the complex microbial inoculant comprises the following strains: bacillus subtilis K15, curveolate Prickia L11 and bacillus mycoides L31. The complex microbial inoculant disclosed by the invention realizes synergistic interaction and functional complementation, and through scientific compounding of strains, the straw decomposition rate is remarkably increased, and the decomposition period is obviously shortened; the adaptive capacity and colonization competitiveness of microorganisms in a low-temperature and complex soil environment in winter are enhanced. The complex microbial inoculant disclosed by the invention also has multiple functions of degrading straws, dissolving potassium, producing IAA (Indoleacetic Acid) and the like. The soil potassium which is difficult to utilize can be converted into quick-acting potassium while the straws are quickly decomposed to release nutrients.

The invention relates to the technical field of environmental microorganisms, in particular to high-temperature-resistant bacillus subtilis and application thereof. The invention discloses a high-temperature-resistant bacillus, which is named as bacillus subtilis HY-1, has been preserved in China General Microbiological Culture Collection Center (CGMCC) on October 17, 2024, and has a preservation number of CGMCC No.32250. The invention further discloses a preparation method of the high-temperature-resistant bacillus. The invention further discloses a culture method of the bacillus, a liquid fungicide prepared from the bacillus and application of the bacillus in kitchen waste biogas residue compost and straw degradation. The high-temperature-resistant bacillus disclosed by the invention is derived from a compost indigenous strain, can reduce the inhibition effect of other indigenous bacteria, and has relatively good degradation capability and high-temperature-resistant performance on cellulose. The method has a wide application prospect in the field of kitchen waste biogas residue resourceful treatment.

The invention discloses a complex microbial inoculant, which is prepared from bacillus NJAU-190 and pseudoxanthomonas NJAU-273, wherein the bacillus NJAU-190 and the pseudoxanthomonas NJAU-273 are used The invention also discloses an application of the fertilizer in straw compost. The bacillus NJAU-190 is beneficial to temperature rise in the earlier stage of composting, the pseudoxanthomonas NJAU-273 is beneficial to temperature rise in the later stage of composting, the two strains are compounded to promote temperature rise in the whole composting period, the composting efficiency is improved, and the composting conversion rate is increased. Compared with the treatment without inoculation of the microbial inoculum, the treatment with inoculation of the NJAU-190 + NJAU-273 composite microbial inoculum effectively promotes the temperature rise of the compost body, accelerates the composting process, significantly improves the germination index of the compost product, and significantly increases the total nutrient of the compost product. Compared with the treatment by inoculating the NJAU-190 microbial inoculum or the NJAU-273 microbial inoculum, the treatment by inoculating the NJAU-190 + NJAU-273 composite microbial inoculum can also significantly increase the total nutrient of the compost product.

The invention discloses a functional microbial organic fertilizer for saline-alkali soil improvement and a preparation method and application thereof, and belongs to the technical field of fertilizers. In order to solve the technical problem that high salt ion content in saline-alkali soil causes multiple adverse effects on plant growth, the invention provides a functional microbial organic fertilizer for saline-alkali soil improvement. The functional microbial agent is prepared from bacillus amyloliquefaciens, insecticidal cupriavidus, trichoderma harzianum, halophilic bacillus grignard and halotolerant bacillus, and the functional microbial carrier organic fertilizer is added with furfural residues and citric acid residues. The functional microbial organic fertilizer provided by the invention has the functions of improving the microbial abundance of saline-alkali soil, improving the physicochemical properties of the soil, adjusting the pH value of the soil, increasing the proportion of soil aggregates and increasing the contents of rapidly available phosphorus and rapidly available potassium. The functional microbial organic fertilizer provided by the invention can be applied to effectively improving saline-alkali soil.

The invention relates to the technical field of organic fertilizers, and discloses an agricultural waste two-stage fermentation bio-organic fertilizer and a preparation method thereof.The bio-organic fertilizer comprises 70%-80% of a mixture of livestock and poultry manure and straw subjected to anaerobic fermentation and aerobic fermentation two-stage treatment, 5%-10% of auxiliary organic matter, 3%-5% of a soil improvement material, 2%-4% of a functional additive and 1%-3% of a microbial preparation. The preparation method comprises the following steps: mixing the livestock and poultry manure and the straw according to a carbon-nitrogen ratio of 30: 1, and performing pretreatment; carrying out anaerobic fermentation for 7 days, and collecting biogas; performing solid-liquid separation to obtain a solid material and biogas slurry; concentrating the biogas slurry to prepare a leaf fertilizer; adding a microbial preparation into the solid material, and carrying out aerobic fermentation for 10-15 days; after fermentation is completed, drying, functional component adding, granulating, screening and packaging are conducted, a finished product is obtained, collaborative integration of anaerobic-aerobic fermentation and full-quantitative utilization of agricultural waste are achieved, and the method has the remarkable advantages of being short in fermentation period, small in nutrient loss, high in functionality and the like.

The invention discloses an acid soil improvement type organic fertilizer and a preparation method thereof, and belongs to the technical field of microorganisms. The organic fertilizer is prepared from chicken manure, urea, a microbial agent, nicotine biochar, a synergist, silicon-calcium powder, biochemical potassium fulvate, alkaline residues, a modifier, turpentine and plant ash. The nicotine biochar is synergized by using a synergist, the alkaline residues are subjected to hydrophobic selective modification by using a modifier, and the alkaline residues, the microbial agent, biochemical potassium fulvate, silicon-calcium powder and plant ash synergistically play a role in improving the acid soil. The modified nicotine biochar contains a large amount of nicotine, and has strong heavy metal adsorbability and enhanced fertilizer efficiency under the action of a synergist; after the alkaline residues are modified by the modifier, the structure is decomposed into fine fragments, the degree of generating precipitates by aluminum ions and alkaline substances in the alkaline residues is promoted, after hydrophobic treatment, aluminum precipitates are more stable, aluminum toxicity can be effectively relieved, meanwhile, the slow release performance is achieved, acid soil is improved, and fertility is provided for the acid soil.

The invention belongs to the technical field of agricultural fertilizers, and provides a soil remediation fertilizer and a preparation method thereof. The preparation method comprises the following steps: S1, sequentially drying and crushing a natural organic matter material to obtain a pretreated natural organic matter material; s2, mixing the pretreated natural organic matter material, microbial flora, a plant growth regulator, a stabilizer and a slow release agent, and performing fermentation treatment to obtain a compound fertilizer; s3, sequentially drying, granulating and packaging the compound fertilizer to obtain the soil remediation fertilizer. The soil remediation fertilizer provided by the invention can effectively solve the remediation problem of organic matter and heavy metal contaminated soil, improve the soil quality and promote plant growth, and has remarkable environmental protection and agricultural sustainable development benefits.

The invention discloses a trichoderma virens strain KN-T01, a trichoderma preparation and application of the trichoderma preparation, and belongs to the technical field of biocontrol microbial agents. The invention provides a trichoderma virens strain KN-T01, a trichoderma preparation and application of the trichoderma virens strain KN-T01 and aims to solve the technical problem that a biocontrol microbial agent in the prior art is poor in microbial function effect in a low-temperature environment, the preservation number of the trichoderma virens strain KN-T01 is CCTCC M 20242443, and the trichoderma preparation contains the trichoderma virens strain KN-T01. The trichoderma virens strain KN-T01 and the trichoderma preparation provided by the invention have relatively good low temperature resistance, have relatively good antagonism and hyperparasitism effects on pathogenic bacteria of pepper gray mold and watermelon fusarium wilt, have a good decomposition effect on straws under a low-temperature condition, and have a relatively good promotion effect on growth of tomatoes and corns under a low-temperature condition, so that the trichoderma virens strain KN-T01 and the trichoderma preparation have relatively good application prospects. The trichoderma virens strain KN-T01 and the trichoderma preparation are non-toxic and harmless, and can be applied to agricultural green prevention and control.

Methods for stimulating plant growth and / or promoting plant health using free enzymes or recombinant microorganisms that overexpress enzymes are provided. Plant seeds coated with free enzymes or recombinant microorganisms that overexpress enzymes are also provided. Compositions comprising a fertilizer and an enzyme or a recombinant microorganism that overexpresses an enzyme are provided. Modified enzymes having ACC deaminase activity, recombinant microorganisms expressing the modified enzymes, plant seeds treated with the modified enzymes or recombinant microorganisms, and methods for stimulating plant growth and / or promoting plant health using the modified enzymes or recombinant microorganisms are also provided.

The invention provides a preparation method of an auricularia fuscosuccinea mushroom dreg fertilizer for enhancing fertility and structural stability of black land, which comprises the following steps: mixing corn straw, sawdust, wheat bran, soybean meal, lime and gypsum to obtain an auricularia fuscosuccinea culture medium, and adding water to obtain a blended auricularia fuscosuccinea culture medium; after sterilization, auricularia fuscosuccinea strains are inoculated, and after auricularia fuscosuccinea is harvested, the remaining culture medium serves as auricularia The method comprises the following steps: mixing auricularia fuscosuccinea mushroom dregs and chicken manure, adding water to obtain a fertilizer to be composted, composting and fermenting for 30 days, and turning the compost every 3-6 days during the composting fermentation to obtain the auricularia fuscosuccinea mushroom dreg fertilizer. The invention further provides application, and the auricularia fuscosuccinea mushroom dreg fertilizer is used for cultivating motherwort and enhancing the fertility and the structural stability of black land. According to the method, the resource utilization efficiency of the auricularia fuscosuccinea residues is improved, the fertility and sustainable utilization of the black land are effectively improved, and the method can be widely applied to efficient planting of medicinal plants and economic crops.

The invention belongs to the technical field of agriculture, and provides a fly ash soil conditioner and a preparation method thereof, the fly ash soil conditioner is prepared from the following raw materials by mass: 50-70 parts of modified fly ash, 15-25 parts of humic acid, 30-40 parts of an organic matrix, 3-5 parts of diatomite, 6-10 parts of zeolite powder, 1.5-3.0 parts of a microbial agent, and 0.5-1.5 parts of calcium carboxymethyl cellulose. The fly ash is used as a main raw material, resource utilization of industrial wastes is realized, and the soil improvement cost is reduced. The modified fly ash is combined with the organic matrix and the microbial agent, so that the water-retaining property, the air permeability and the nutrient slow-release effect of the soil are remarkably improved. The nitrogen-fixing bacteria, the phosphate solubilizing bacteria and the trichoderma are compounded, so that the nitrogen and phosphorus conversion of soil is promoted, and the reproduction of pathogenic bacteria is inhibited. The modification time of the fly ash is greatly shortened through the microwave activation technology, the product stability is improved through the extrusion granulation technology, and the method is suitable for large-scale production.

The invention relates to the technical field of soil function improvement, in particular to a rice field soil recarburization and capacity expansion method based on a charcoal-based organic fertilizer. The method comprises the following steps: crushing a biomass raw material, pyrolyzing and cooling to obtain biochar; immersing the biochar in a functional bacteria solution containing actinomycetes and bacillus for activating treatment to obtain modified biochar; mixing the modified biochar and decomposed straw, composting and fermenting to obtain organic fertilizers with different particle sizes; the large-particle-size organic fertilizer is applied to deep soil, the soil is covered with soil after straw is laid on the soil, and the small-particle-size organic fertilizer is applied to surface soil. Through layered application, the large-particle-size biochar repairs the deep soil structure and expands the carbon storage capacity, and meanwhile, the carbon stability is improved through carbon-nitrogen synergistic metabolism driven by functional bacteria, so that the carbon immobilization efficiency is improved, meanwhile, soil recarburization and expansion are achieved, the contradiction between carbon sequestration and structure degradation and nutrient imbalance in a traditional recarburization and expansion technology is solved, and the soil recarburization and expansion efficiency is improved. Synergic improvement of a carbon sink function and agricultural productivity is promoted.

The invention discloses a decomposition preparation containing bacillus licheniformis as well as a preparation method and application thereof, and belongs to the technical field of microorganisms. The decomposition preparation provided by the invention comprises bacillus licheniformis and Thermus arcuatus. The bacillus licheniformis is preserved in China General Microbiological Culture Collection Center (CGMCC) on June 27, 2025, the preservation address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No. 35039. The bacillus licheniformis is separated from coastal saline-alkali soil, has high temperature resistance and salt resistance, and can secrete protease and lipase at the same time. After the bacillus licheniformis and the Thermus arcuatus are mixed, the synergistic effect is remarkable, the duck-derived red mud is effectively promoted to be converted into humic acid, and high-value resource utilization of the duck-derived red mud is achieved.

The invention belongs to the technical field of biological organic fertilizer production, and particularly relates to a multifunctional biological organic fertilizer for enhancing soil microbial activity and a preparation method thereof. The multifunctional biological organic fertilizer for enhancing soil microbial activity is prepared from the following raw materials in parts by mass: 40-60 parts of an organic fertilizer base material, 10-15 parts of a plant extract, 3-6 parts of modified nano-hydroxyapatite, 2-6 parts of a compound fermentation inoculant and 2-5 parts of a surfactant, the multifunctional biological organic fertilizer can improve secondary salinization greenhouse soil, increase the content of organic matters, reduce the morbidity of tomato soil-borne diseases, and increase the fruit number of a single plant, the weight of a single fruit and the acre yield of tomatoes.

The invention discloses a method for preparing an organic fertilizer from livestock and poultry manure, which comprises the following steps: mixing cow dung and plant ash, pig manure and edible mushroom waste, chicken manure and vegetable waste, and duck manure and corn bran or mushroom stick residue, inoculating a corresponding mixed inoculant, fermenting and decomposing by using a trough type aerobic fermentation process, crushing, and screening to obtain the organic fertilizer. The cow dung bio-organic fertilizer, the pig manure bio-organic fertilizer, the chicken manure bio-organic fertilizer and the duck manure bio-organic fertilizer are obtained. According to the invention, rapid decomposition in 28 days in winter and 18 days in summer can be realized, meanwhile, the decomposition degree is remarkably improved, the killing rate of harmful germs reaches 98.93%, the humus content is greater than or equal to 58%, and the product is rich in microbial beneficial bacteria, rich in organic matters, mild in fertilizer efficiency and free of root burning.

The invention discloses a method for preparing a solid waste-based soil conditioner by using microorganism mineralized coal gangue, which comprises the following steps: mineralizing a coal gangue compost substrate by adopting a microorganism mineralization technology to form a coal gangue solid waste soil conditioner; the method comprises the following steps: performing an aerobic composting fermentation test by using coal gangue particles which are crushed until the particle size is 18-50 meshes, carbonate mineralizing bacteria, organic solid wastes and an efficient solid composting fermentation inoculant, and then mineralizing a compost substrate by using the mineralization effect of microorganisms. According to the method, the organic nutrients of the artificial soil are increased, and the utilization efficiency of a carbon source in the gangue is activated and improved by adopting a high-efficiency composting fermentation inoculant and a solid aerobic composting fermentation technology. The adsorption performance on heavy metals is improved. In addition, the problems of coal gangue accumulation and soil improvement are solved at the same time, organic solid waste is used as the raw material of the soil conditioner, and double-waste utilization of the coal gangue and the organic solid waste is achieved.

The invention relates to the field of preparation of amino acid water-soluble fertilizers, and discloses a method for preparing an amino acid-containing water-soluble fertilizer by using slaughtering blood of bred livestock and poultry, which comprises the following steps: collecting the blood of the bred livestock and poultry in a slaughter house through a blood collection container, and adding an anticoagulant to obtain an anticoagulant raw material; the preparation method comprises the following steps: heating and disinfecting an anticoagulant raw material, and then adding bacillus subtilis and monopotassium phosphate to carry out enzymolysis treatment, so as to obtain a feed liquid after enzymolysis; then filtering, complexing treatment, ultraviolet sterilization treatment and sterilization are carried out in sequence; carrying out amino acid detection on the sterilized material liquid subjected to enzymolysis, and adding other nutrients to form an organic liquid fertilizer containing amino acid; and finally, carrying out preservative treatment, packaging and warehousing, and storing in a shade place to complete the preparation process of the amino acid water-soluble fertilizer. The invention solves the problems that the existing amino acid water-soluble fertilizer preparation raw materials are less, the amino acid water-soluble fertilizer preparation process is longer, and the environment is polluted due to the discharge of livestock and poultry slaughtering blood waste.

The present disclosure provides methods and systems for production of biostimulants that promote nitrogen use efficiency in plants. Embodiments described include methods of making a biostimulant composition in a bioreactor system that includes two or more containers arranged in series. The bioreactor system may include an established population of a nitrogen use efficiency-promoting microbial strain. The method may include operating the bioreactor system by transferring into the system an aqueous feedstock that comprises a microbial consortium, transferring working fluid between containers of the system, and collecting a product. The method may further include maintaining a concentration of a nitrogen use efficiency-promoting microbial strain in the system.

The invention relates to a high-efficiency compost decay-promoting microbial inoculum as well as a preparation method and application thereof, and belongs to the technical field of biological agriculture and related industries. The microbial agent is prepared from the following bacterial strains: bacillus licheniformis DY-1, bacillus massiliensis MS, bacillus aryabhattai MB and gas-producing paenibacillus XWS-70; the viable count of each strain is greater than or equal to 5 * 10 < 8 > CFU / g; the total viable count of the microbial inoculum is greater than or equal to 109 CFU / g. The preparation method comprises the steps of strain activation, strain amplification culture, strain powder preparation and strain compounding. The invention relates to application in rapid maturing and composting of organic wastes. The invention has the following advantages: no antagonism is generated among the four strains, the degradation of cellulose can be obviously accelerated, and the degree of humus is improved.

The invention relates to the technical field of fertilizers, and discloses a fulvic acid fertilizer based on straw microbial fermentation and a preparation method and application thereof.The preparation method comprises the steps that straw is crushed and subjected to low-temperature plasma pretreatment, and pretreated straw is obtained; then, culturing the mixed microbial preparation to prepare a culture solution; then, the pretreated straw, a nutrient solution, a fermentation auxiliary agent and trichoderma are mixed for fermentation, and therefore a fermentation product is generated. The fermentation auxiliary agent is prepared from seaweed meal, bean flour, humus soil and molasses. And finally, carrying out solid-liquid separation on the fermentation product, and drying the separated solid part to finally obtain the fulvic acid fertilizer. Through combination of low-temperature plasma pretreatment and an innovative fermentation auxiliary agent, the preparation process of the fulvic acid fertilizer is optimized, the fertilizer efficiency of the fertilizer and the crop growth effect are improved, and meanwhile, the environment problem of agricultural waste is solved.