2973results about "Solid/semi-solid fertilisers" patented technology

The present disclosure provides water-soluble film packages composed of a water-soluble film, where the packages include: one or more compartment(s) including dehydrated microbes. The disclosure further provides methods of production of the water-soluble film packages, and methods of application thereof. The water-soluble packages of the disclosure enable convenient and accurate application of microbial dry powders to plants, promote uniform dispersion of powdered microbes, enhance microbial shelf life, and enhance the survival of microbes on seed, while being environmentally sustainable.

The present invention relates to an intelligent material distribution and material taking device and method for solid fermentation of powdery and granular fertilizers, comprising at least one production line, the production line comprising: a longitudinal conveyor belt parallel to the length direction of the fermentation tank; a transverse conveyor belt arranged above the fermentation tank along the width direction of the fermentation tank; a discharge vehicle, including a longitudinal discharge vehicle and a transverse discharge vehicle; a material distribution conveyor belt for receiving the fermentation raw materials scattered by the longitudinal discharge vehicle; a longitudinal receiving hopper; a mobile spiral material taking machine, which is longitudinally slidably arranged in the fermentation tank to collect the intermediate products in the fermentation tank; a controller, which controls the intelligent material distribution and material taking device for solid fermentation of powdery and granular fertilizers to switch between the two working states of distribution and material taking, and controls the transverse conveyor belt and the longitudinal discharge vehicle to keep synchronous longitudinal movement. The controller is used to switch the working state of the material distribution and material taking device, so as to realize intelligent and automatic material distribution and material taking, so as to meet the needs of solid fermentation of powdery and granular fertilizers.

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 a polymeric phosphorus slow-release compound fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers, the polymeric phosphorus slow-release compound fertilizer comprises an inner core and a coating layer, wherein the inner core is prepared from the following components in percentage by weight: 30 to 50 percent of modified ammonium polyphosphate, 15 to 25 percent of urea-formaldehyde slow-release nitrogen, 10 to 20 percent of potassium humate-coated potassium chloride, 2 to 5 percent of amino acid chelated trace elements and 1 to 3 percent of seaweed extract; through the synergistic effect of the citric acid modified ammonium polyphosphate and the three layers of functional envelopes, the phosphorus utilization rate is increased, and the problem that phosphorus is easily fixed by soil is effectively solved. The fertilizer can automatically adapt to different soil environments through the pH responsive coating design, and 30-40% of phosphorus can be quickly released in acid soil to meet the early needs of crops; phosphorus is continuously supplied through activation of the phosphate solubilizing bacteria under a neutral condition; and the fertilizer efficiency is prolonged to 120-150 days by virtue of an outer layer slow release mechanism in an alkaline environment.

The invention belongs to the technical field of soil fertilizers, and particularly relates to a soil conditioner and a preparation method thereof. Wherein the soil conditioner is prepared from the following raw materials in parts by weight: 30 to 40 parts of modified charcoal, 20 to 30 parts of microbial complexing agent, 15 to 25 parts of humic acid and 1 to 5 parts of biological enzyme; according to the microbial complexing agent, dopamine grafted and modified nano silicon dioxide and hydroxyapatite form a composite shell, pseudomonas aeruginosa and bacillus subtilis are wrapped, and the microbial complexing agent has the functions of protecting microorganisms, adsorbing heavy metals and slowly releasing phosphorus elements; the modified biochar is compounded with the attapulgite through acid-base treatment to form a porous structure with physical inlaying and chemical functional groups synergistic, so that the adsorption and fixation capability on heavy metals and organic pollutants is remarkably improved; the biological enzyme accelerates organic phosphorus conversion, and enzymatic hydrolysate provides a phosphorus source for microorganisms, promotes microorganism breeding, effectively increases the content of available phosphorus in soil, and enhances the stability of a remediation system.

The invention relates to the field of fertilizers, in particular to a stable fertilizer for preventing and treating peanut root rot and a preparation method thereof, and the fertilizer comprises a fertilizer inner core layer, a nano microbial metabolite layer and a microbial protective layer from inside to outside. According to the stable fertilizer for preventing and treating peanut rhizome rot, the capsule embedding inhibitor made of humic acid and the trichoderma aureoviride metabolite are adopted to construct a dual nitrification inhibition system, and the capsule embedding inhibitor and the trichoderma aureoviride metabolite have a synergistic effect, so that the nitrification effect is reduced, the nitrogen fertilizer utilization rate is increased, and non-point source pollution is reduced.

The invention relates to the technical field of fertilizer preparation, and discloses an ecological balance fertilizer for yield increase and disease resistance of peanuts and a preparation method of the ecological balance fertilizer. The preparation process comprises the following steps: constructing a PLGA core containing trichoderma harzianum spores and magnesium carbonate through a micro-fluidic chip low-temperature water-in-oil emulsion method; coating bacillus amyloliquefaciens and potassium silicate with ultraviolet-induced cross-linked temperature-sensitive hydrogel to form a middle layer; loading rhizobium by using aminated mesoporous S < iO2 >, and spraying and assembling an enzyme response shell through a fluidized bed; finally, the hydroxyapatite nanorod and a binder are combined and granulated and formed through a fluidized bed. Precise controlled release of functional bacteria and nutrients is realized by constructing a temperature-sensitive-enzyme response type release system, and the activity of a fungicide is guaranteed to be preserved by virtue of trichoderma harzianum-rhizobium synergistic interaction and silicon bond linkage soil remediation in combination with a low-temperature fluidized bed process, so that a'fertilizer-bacterium-soil 'ecological cycle system is finally constructed.

The invention provides a special charcoal-based slow-release fertilizer for sandy soil as well as a preparation method and application thereof, and belongs to the technical field of fertilizers. The special charcoal-based slow-release fertilizer for the sandy soil is prepared from amino modified biomass charcoal, urea, urea formaldehyde, monoammonium phosphate, potassium sulfate, polyglutamic acid, fulvic acid, clay, attapulgite, a compound microbial agent and sodium alginate. The compound microbial agent is prepared from halomonas (ACCC 11681), bacillus subtilis (ACCC 60429) and bacillus mucilaginosus (ACCC 10094), and the compound microbial agent is prepared from bacillus subtilis (ACCC 60429) and bacillus mucilaginosus (ACCC 10094). The invention further provides a preparation method and application of the special charcoal-based slow-release fertilizer for the sandy soil. The special charcoal-based slow-release fertilizer for the sandy soil can remarkably improve the water and fertilizer retention capacity of the sandy soil, improve the farmland productivity of the sandy soil, save fertilizer and water input and improve the yield and quality of crops.

The invention discloses a biomass charcoal composite hydrogel slow-release fertilizer as well as a preparation method and application thereof, and belongs to the field of composite hydrogel and fertilizer preparation. The invention provides a biomass charcoal composite hydrogel slow release fertilizer, which comprises biomass charcoal, hydrogel fixed on the pores and surface of the biomass charcoal, and an element fertilizer mixed in the hydrogel, and the hydrogel is prepared from metal cations and alginate. The invention provides a strategy of'in-hole in-situ gelation ', hydrogel is prepared in situ in gaps of the biochar, and the biomass charcoal composite hydrogel slow-release fertilizer is prepared. The biochar and the hydrogel in the slow-release fertilizer are high in bonding strength and mechanical strength, so that the slow-release fertilizer has the slow-release function of the fertilizer and also has the capability of improving soil.

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 soil conditioners, and particularly discloses an intelligent controlled-release core-shell alginate soil conditioner and a preparation method thereof.The conditioner is of a core-shell-layer three-layer structure and comprises a core layer, a middle shell layer and an outer layer, the three layers account for 30%, 40% and 30% of the total weight respectively, and the core layer mainly comprises improved alginate and nutrients; the middle shell layer mainly comprises chitosan and a microbial preparation; and the outer layer mainly comprises modified charcoal and magnetic nano # imgabs0 #. The preparation method comprises the four steps of core layer preparation, middle shell layer coating, outer layer coating and forming post-treatment, and multiple functions of accurate nutrient supply, efficient heavy metal fixation and soil microenvironment regulation and control are achieved through a core-shell-layer three-layer structure design and a pH / temperature / microorganism triple response mechanism by adopting a coaxial electronic injection and layer-by-layer self-assembly technology; the fertilizer has a remarkable improvement effect on sandy soil and saline-alkali soil, and the organic matter increasing rate reaches 40%.

The present invention provides a hydrogen-containing fertilizer and a preparation method and application thereof, and relates to the field of fertilizer technology. The hydrogen-containing fertilizer provided by the present invention is mainly composed of a hydrogen donor, a water-soluble plant nutrient raw material, oil, a hydrophilic emulsifier, an emulsifier and a dispersant in a specific ratio, and the pH is 7-8. The hydrogen-containing fertilizer can well solve the difficulties in the application of hydrogen donors, solve the problem that the hydrogen donors are easy to react with water, acid, oxides, etc. during storage and transportation, resulting in reduced functions; and also prevent the product packaging containers from swelling barrels or bags due to the generation of gas. The hydrogen-containing fertilizer is made by combining hydrogen donors, water-soluble plant nutrient raw materials, oils, and hydrophilic emulsifiers, and has the advantages of wide selection of fertilization methods, low cost, and high efficiency; at the same time, it can also be promoted safely, stably, and on a large scale, and can be better applied in fields, greenhouses, and intelligent agriculture.

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 relates to the field of microbial fertilizers, in particular to a microbial fertilizer containing a composite biological agent and a preparation method of the microbial fertilizer, which are used for solving the problems that the existing microbial fertilizer has short survival time in soil, the nutrient release speed is difficult to control, and the effects of improving the soil environment and promoting plant growth have certain limitations. According to the preparation method, root development and nutrient absorption of crops can be effectively promoted by adding the composite biological agent, the yield and quality of the crops are improved, a membrane material with good mechanical strength and slow release performance is formed through crosslinking of sodium alginate and chitosan, effective slow release and long-term application of microorganisms and fertilizer are achieved, and the yield and quality of the crops are improved. The utilization rate of the fertilizer is increased, the validity period of the fertilizer is prolonged, the usage amount of the fertilizer is reduced, the growth and yield of crops are effectively improved, and the fertilizer has a good agricultural application prospect.

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 discloses a preparation method of an intelligent response type soil conditioner based on a nano composite material, and belongs to the technical field of soil improvement. The modifier is prepared from 10 to 15 parts of modified chitosan, 15 to 25 parts of nano silicon dioxide, 20 to 30 parts of biochar-loaded polyglutamic acid, 8 to 15 parts of humic acid-sodium alginate microcapsules, 3 to 5 parts of trace element slow-release particles, 1 to 2 parts of a pH response type cross-linking agent and 15 to 25 parts of a functional agent. The soil conditioner researched and developed by the invention can flexibly adapt to complex and changeable soil environments, can sensitively sense dynamic changes of key environmental indexes such as soil humidity, pH value and temperature, automatically and accurately regulates and controls the release rate and the action effect of the soil conditioner, realizes multiple functions such as water retention, acid regulation, fertility increase and pollution resistance in a one-stop manner, and has a wide application prospect. High efficiency, long-term effect and ecological environment friendliness of soil improvement are comprehensively achieved, a new road is opened up for global soil improvement, and agricultural yield increase, ecological restoration and urban green development are assisted.

The invention relates to a functional microorganism-containing organic-inorganic compound fertilizer and a production method thereof, and relates to the technical field of fertilizers, the functional microorganism-containing organic-inorganic compound fertilizer comprises an inorganic core layer, an organic coating layer and a functional microorganism outer layer, the functional microorganism outer layer comprises the following components in parts by mass: 10-15 parts of compound functional microorganisms, 5-10 parts of synergistic growth-promoting microorganisms, 2-3 parts of trehalose, 1-2 parts of mannitol, 10-15 parts of sodium alginate, 8-10 parts of chitosan, 2-4 parts of a yeast extract and 30-40 parts of a modified activated carbon carrier. The production method comprises the following steps: preparing an inorganic core layer, preheating the inorganic core layer, and spraying and coating an organic coating layer material to obtain a primary product with an organic coating layer; and coating the surface of the organic coating layer of the primary product with a functional microorganism outer layer material, drying at low temperature, and screening to obtain the organic-inorganic compound fertilizer containing the functional microorganisms. The fertilizer has the effect of improving the slow release effect of the fertilizer and the survival rate of microorganisms.

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 production method for preparing a potassium humate fertilizer through continuous high-pressure hydrothermal reaction of potassium feldspar, and relates to a wet grinding pulping process, a hydrothermal reaction process, a flash evaporation filter pressing process, a humic acid modified potassium fertilizer preparation process and a causticization and humic acid modified silicon-calcium fertilizer preparation process. The preparation method comprises the following steps: firstly, carrying out high-pressure tubular hydrothermal reaction and tower-type delayed reaction on potassium feldspar alkaline ore pulp prepared by fine grinding to prepare potassium aluminosilicate and calcium silicate, mixing alkaline potassium aluminosilicate filter residues obtained by filtering with humic acid, modifying, granulating and drying to obtain a humic acid coated long-acting slow-release potassium fertilizer product. The alkaline calcium silicate filtrate and lime are subjected to a causticization reaction to obtain a KOH solution, the KOH solution is returned to a wet pulping process to be recycled, and the alkaline calcium silicate and the humic acid are mixed, modified, granulated and dried to produce the humic acid coated long-acting slow-release silicon-calcium fertilizer product.

The invention discloses a method for preparing a soil conditioner based on infrared activation of coal gangue. The method comprises the following steps: S1, preparing activated coal gangue; s2, mixing the activated coal gangue with a slow-release fertilizer and modified zeolite, performing extrusion granulation to obtain basic particles, diluting a long-acting composite microbial inoculum with deionized water to obtain a microbial inoculum suspension, spraying the microbial inoculum suspension on the surfaces of the basic particles in a low-temperature spraying manner, and performing low-temperature drying to obtain a core material; s3, mixing the activated coal gangue with kaolin, humic acid, calcium hydrogen phosphate, sodium alginate and water to obtain coating slurry, and coating the core material with the coating slurry to obtain a shell-core material; s4, mixing the modified activated coal gangue with polyvinyl alcohol, talcum powder, a composite additive and water to obtain outer coating slurry, and coating the outer coating slurry on the core-shell material to obtain the soil conditioner. According to the method, the coal gangue is subjected to infrared activation treatment and then prepared into the soil conditioner with a high additional value, and waste resource utilization is achieved.

The invention relates to the technical field of soil amendment preparation, in particular to a soil amendment and a preparation method thereof. The soil conditioner comprises porous biochar-based microspheres, wherein the porous biochar-based microspheres are prepared from food sludge-based biochar, cellulose-based biochar, a monatomic modified zeolite agent and a binder; the food sludge-based biochar is prepared by pyrolyzing food sludge; the cellulose-based biochar is prepared by pyrolyzing a waste biomass material rich in cellulose; the binder is a disintegrable organic binder matched with at least one of illite powder, bentonite powder, dolomite powder, diatomite powder, kaolin powder, montmorillonite powder and attapulgite powder; the disintegrable organic binder is at least one of starch, polyvinyl alcohol and polylactic acid. The soil conditioner disclosed by the invention can adsorb and remove heavy metal elements, adjust the pH value of soil, improve the structure and physicochemical properties of the soil and the water, soil and fertilizer retention capability, and also can effectively promote the growth and development of crops to achieve the effect of increasing the yield and income of the crops.

A method of production of granular soil conditioner based on a mixture of biochar and organic fertilizer comprising the following steps:Biochar mixing with animal excrements in a ratio of 1 part of biochar to 0.1 to 0.4 parts of the excrement dry matter, adding to the base of a mixture of soil bacteria belonging to at least two genera of the following: bacteria of the Rhizobia genus, nitrifying bacteria of the Azospirillum or Azotobacter genus, bacteria of the Pseudomonas genus, and bacteria of the Bacillus genus,topping the bacteria-endowed base with water in the weight not more than double the weight of the bacteria-endowed base and letting the mixture ferment for at least 5 days,draining off the excess water and drying the bacterial base so that the water content does not exceed 20% by weight,adding a mixture of spores of fungi containing at least two of the group including Trichoderma, Arbuscular mycorrhizal fungi, Ectomycorrhizal fungi to the base-bacteria compound in a total quantity corresponding to 0.2 to 1% of the dry matter weight of the base-bacteria compound.

The invention relates to the technical field of compound fertilizers, and discloses a boron-zinc-molybdenum synergistic compound fertilizer, which is prepared from the following raw materials in parts by weight: calcium nitrate, ammonium polyphosphate, potassium sulfate, magnesium sulfate, disodium octoborate tetrahydrate, sugar alcohol chelated zinc, sodium molybdate and a synergistic auxiliary agent, the feed additive is prepared from a feed additive, an activator, 5-alginic acid oligosaccharide, aminolevulinic acid, sugar alcohol chelated magnesium, an antagonist, a stress-resistant enhancer and a coating material. According to the boron-zinc-molybdenum synergistic interaction compound fertilizer and the preparation process thereof, the disodium octoborate tetrahydrate, the sugar alcohol chelated zinc and the sodium molybdate are compounded according to a specific proportion, antagonism is avoided through proportion limitation, the synergistic effect of the three elements is remarkably enhanced, and the problem that a single element is insufficient or excessive is solved; chelated elements such as sugar alcohol chelated zinc and sugar alcohol chelated magnesium are combined with an activating agent (humic acid chelated calcium and silica sol) to form a gel-state chelate, so that the trace elements can be prevented from being fixed by soil, and the transfer efficiency of the trace elements in crops is improved.

The invention discloses an organic fertilizer for promoting plant growth and improving soil and a preparation method thereof, and belongs to the technical field of organic fertilizers. The organic fertilizer is prepared from the following raw materials: composted chicken manure, soybean meal, straw powder, sweet potato vines, humic acid, a compound microbial agent, rosmarinic acid and a stimulant. The compound microbial agent is prepared from madula angustifolia actinomycetes, pseudomonas stutzeri and bacillus velezensis, and the stimulant is a glucosamine sulfate solution. The rosmarinic acid, the glucosamine sulfate solution and the compound microbial agent are added into the organic fertilizer, the three components are compounded with the straw, the chicken manure and the like to form the organic fertilizer, and various substances have a synergistic effect, so that on one hand, the growth of Chinese cabbages is promoted, and the yield is increased; on the other hand, soil physicochemical properties are obviously improved.

The invention discloses a special compound microbial fertilizer for corn and a preparation method, and relates to the technical field of special fertilizers for crops. The organic fertilizer is prepared from the following components in parts by weight: 15-20 parts of a microbial agent, 8-10 parts of charcoal, 20-25 parts of decomposed sheep manure, 8-10 parts of biogas residues, 5-8 parts of humic acid, 5-10 parts of monoammonium phosphate, 10-15 parts of urea, 8-12 parts of potassium chloride, 1-1.5 parts of boric acid, 1-2 parts of zinc amino acid chelate, 0.5-1 part of lipopeptide surfactin and 3-5 parts of diatomite. The four strains of bacillus amyloliquefaciens, azospirillum, bacillus subtilis and streptomycete are inoculated according to a proportion and are subjected to shake culture for 36 hours under the conditions that the temperature is 30 DEG C and the rotating speed is 180 rpm, the viable count reaches 2 * 10 CFU / mL, the four strains are co-cultured to reduce process steps, the nitrogen-fixing bacteria reduce the use amount of urea by 15%, the streptomycete improves the nematode inhibition rate by 40%, and meanwhile the culture cost is saved.

According to the microbial composite soil conditioner and the preparation method thereof, decomposition of organic matters in soil can be promoted through multiple microorganisms in the microbial composite soil conditioner, and the air permeability and the water-retaining property of the soil are improved. Meanwhile, the zeolite powder and the rice hull powder ash can improve the pore structure of the soil and improve the drainage capacity and the air permeability of the soil, so that the growth environment of the plant root system is optimized. The decomposed organic fertilizer and the edible fungus residue organic matter are rich in nutrient elements of nitrogen, phosphorus and potassium, and can provide continuous and stable nutrient supply for crops. In addition, the amino acid stock solution, the pyroligneous liquor and the molasses liquor contain various trace elements and bioactive substances, so that the disease resistance and the growth vitality of crops can be enhanced. Due to the improvement of the soil structure, the improvement of fertility and the enhancement of microbial activity, crops can better absorb nutrients and moisture, the occurrence of diseases and pests is reduced, and the increase of the crop yield and the crop quality are effectively improved.

The invention discloses a method for preparing a liquid fertilizer and co-producing a medium element fertilizer by using raffinate acid, and relates to the technical field of preparation of fertilizers by using raffinate acid. Comprising the following steps: S1, carrying out filter pressing on raffinate acid: adding a modified filter aid into the raffinate acid, uniformly mixing, pumping into a plate-and-frame filter press, and carrying out filter pressing to obtain a raffinate acid clear liquid and filter residues; s2, preparing a liquid fertilizer from the raffinate acid clear liquid: sequentially adding desalted water, nutrient elements, synergistic factors and the raffinate acid clear liquid into a reaction kettle, and completely dissolving to obtain an acidic liquid fertilizer; s3, preparing the medium element fertilizer from the filter residues: uniformly stirring and mixing the filter residues, phosphate tailings and a modified synergistic granulating agent, granulating, drying, screening and cooling to obtain the medium element fertilizer. The technological process is simple and easy to operate, raffinate acid is only subjected to filter pressing, the treatment cost is low, the fertilizer efficiency is improved through synergistic factors in the acid liquid fertilizer, the particle strength is improved after filter residues are granulated through the modified synergistic granulating agent, and meanwhile the medium element fertilizer is endowed with the biological stimulation effect.