1026results about How to "Improve aggregate structure" patented technology

The invention discloses a process for preparing a liquid seaweed fertilizer through enzymolysis and fermentation. The process disclosed by the invention can be used for generating a large quantity of soil beneficial bacteria and multiple special-effect metabolites by degrading macromolecular substances which are contained in seaweeds and difficult to utilize into micromolecular polysaccharide, monosaccharide and a nitrogen-containing compound in compound enzymolysis and multi-strain co-fermentation modes, thereby enhancing the biological activity of a seaweed fertilizer, preventing the destruction of strong base, high temperature and high pressure in the production process of the seaweed fertilizer and completely retaining abundant nutrient substances contained in the seaweeds. According to the process, the content of a product, namely alginic acid, is 40-60 g / L and is increased by more than 30% compared with that prepared from an enzymolysis method, an alkaline hydrolysis method, an acid hydrolysis method and a simple microbe fermentation method, and the effective viable count is more than or equal to 2 billion / mL; the product integrates natural nutrient components, antibiotic substances and plant hormones, combines the efficacy of three fertilizers, namely an organic fertilizer, a microbe fertilizer and a trace element fertilizer and has a wide application prospect.

This invention relates to a method for manufacturing bioorganic fertilizer. The bioorganic fertilizer is manufactured by: mixing sugar industry waste, breeding industry waste, oil-processing waste, phosphoric fertilizer, trace element fertilizer and silicon fertilizer, and performing aerobic fermentation and post fermentation. The effective components of the bioorganic fertilizer are: organic matters (greater than or equal to 30%), N, P and K (greater than or equal to 8%), beneficial microorganisms (greater than or equal to 200,000,000 / g), active silicone (greater than or equal to 5%), magnetic components (0.25%), and Fe, Zn and Mo (0.5-1%). The bioorganic fertilizer has abundant raw material sources, and is environmentally friendly.

The invention provides a compound bio-fertilizer containing ardealite and application thereof. Compound bio-fertilizer is obtained through following steps: adjusting pH value of the ardealite to 4-5 via lime water, drying and crushing to 200-400 sections; drying animal manure, cutting crop straws into sections and then drying; mixing and fermenting the ardelite, the animal manure and the crop straws; controlling cultivation temperature to be at 28-32 DEG C after medium sterilization, sequentially inoculating various beneficial microorganisms, respectively cultivating the same, mixing mixed bacteria with prepared fermenting mixture by weight ratio of 1:300-1000 after completing cultivation, adding water to adjust water content to 35-45%, stirring the water , stacking the mixture for 3-5 days for co-fermentation, further adding water to adjust water content to 20-30%, and then crushing to obtain the compound bio-fertilizer. The compound bio-fertilizer is mainly applied to field crops and applied to improving saline-alkali soil, acid soil and coastal soil structures.

The invention discloses an organic / inorganic compound fertilizer taking biomass charcoal as a matrix, a preparation method of the organic / inorganic compound fertilizer and a preparation method of fine straw biomass charcoal powder, relates to a compound fertilizer, a preparation method thereof and a preparation method of biomass charcoal and aims to solve the problems that the compound fertilizer is high in raw material cost, poor in granulation, capable of causing straw resource waste and low in utilization ratio and the energy consumption in the production process of the fine straw biomass charcoal powder is high. The fertilizer disclosed by the invention is prepared from fine straw biomass charcoal powder, a nitrogen fertilizer, a phosphate fertilizer, a potassium fertilizer, bentonite, a binder and trace elements; the preparation method of the fertilizer disclosed by the invention comprises the steps: firstly, preparing biomass charcoal; and secondly, smashing and screening; and the preparation method of the fertilizer disclosed by the invention comprises the steps: firstly, weighting the fine straw biomass charcoal powder and other raw materials; secondly, pretreating an inorganic fertilizer raw material; thirdly, mixing; and fourthly, granulating and drying to obtain organic / inorganic compound fertilizer grains taking the biomass charcoal as the matrix. The preparation method of the organic / inorganic compound fertilizer is applied to the technical field of fertilizer production.

The invention belongs to the technical field of the recycling of fungus chaff from edible fungus cultivation, and in particular relates to a method for preparing soil for flowers by using edible fungus chaff. In the method, dried and crushed edible fungus chaff is uniformly mixed with auxiliary raw materials, the mixed raw material is fermented, the fermented mixed raw material is subjected to pH value adjustment and sterilization, and thus the soil for flowers is obtained. In the method, processed edible fungus chaff are used as a raw material for the soil for flowers, the original various nutrients and trace elements of the fungus chaff are retained, and thick, hard and wide fibers in the fungus chaff become short, loose and soft after the fermentation; and thus, the method improves the aggregate structure, organic matter content and fertility level of the soil, makes the nutrition of the soil for flowers more balance, contributes to the growth of flowers and trees, as well as promotes the improvement in the resistance against diseases and the quality of flowers.

The invention discloses a seaweed fertilizer and an application thereof used as the efficient saline soil conditioner, wherein the seaweed fertilizer is an organic seaweed fertilizer obtained by fermenting and decomposing seaweed industrial wastes through a microaerophilic fermentation technology, or a composite organic seaweed fertilizer obtained by complexing the obtained organic seaweed fertilizer with one or more of wheat bran, straw, traditional Chinese medicine residues, fruit residues, activated sludge and vinasse. The application of the organic seaweed fertilizer is that the organic seaweed fertilizer is used as the base fertilizer or additional fertilizer to be directly applied in saline soil or applied in saline soil along with additives and the dosage is 1-2 tons per mu. Used as the saline soil conditioner, the seaweed fertilizer disclosed by the invention can not pollute the environment, can be used to directly increase the organic matter in soil or increase the organic matter through plants and can activate various beneficial microorganisms in soil, thus plant cell division can be promoted, the photosynthetic efficiency can be increased and the salt resistance and alkali resistance of crops can be enhanced. By using the the seaweed fertilizer, the crumb structure of soil can be promoted and improved, the pore space in soil can be improved, the biological activity of soil can be increased, the buffer property to acid and alkali, nutrient conservation and water conservation of soil can be increased and the production cost is low.

The invention discloses a method for synthesizing super absorbent resin by plant straw and raw material selection. In the synthesizing process, the prepolymer of crylic acid and acrylamide serves as polymerized monomer, the saline alkali tolerance of the super absorbent resin is improved while improving water absorption. The invention chooses renewable plant straw with low cost and wide resource as a raw material, effectively solves the problem of processing plant straws, and has important environmental protection value and economic significance.

The invention discloses a multi-functional salinization soil improved material and a preparation method thereof. The material is composed of natural organic materials, water-soluble functional polymers, inorganic fertilizers, calcium bentonite, organic acid, phosphoric acid, sulphur and micro elements. The material has the advantages of reducing soil salination or restraining the migration of harmful ions through the optimization and synergistic effect of various kinds of materials, fertilizing soil, improving the soil crumble structure, strengthening soil permeability, and increasing soil water conservation functions. The material has the advantages of low cost, lasting effect and no environmental pollution.

The invention discloses an organic compound fertilizer with citrus pomace and a preparation method of the organic compound fertilizer and belongs to the technical field of preparation of organic fertilizers. The preparation method comprises the following steps of reducing the acidity of the citrus pomace by adopting microbial fermentation for deacidification, decomposing nondegradable components such as pectin and cellulose in the citrus pomace by adopting a compound-enzyme preparation, carrying out composting fermentation by microbial liquid inoculant, finally adding batched materials such as urea, monoammonium phosphate and potassium sulfate, and carrying out insect killing, sterilization, granulation, drying, cooling, sieving, coating and packaging to prepare the organic compound fertilizer with rich organic matter and the contents of N, P and K meeting the need of the optimal proportion for growth of citrus. The organic compound fertilizer and the preparation method disclosed by the invention have the advantages that deacidifying yeast is adopted to reduce the acidity of the citrus pomace and replace the existing method for adding quick lime to carry out deacidification, calcification and alkalization of soil are effectively prevented, the content of the compound fertilizer is more than 55%, the pH value is 6.5-8.5, the total contents of N, P and K are more than or equal to 8%, the water content is less than or equal to 20%, the contents of trace elements such as B, Zn and Mg are rich, and the other quality indexes are superior to national standard of organic fertilizer respectively.

The invention relates to an agricultural microbial compound bacterial fertilizer, in particular to a method for producing a microbial compound bacterial fertilizer. The method is characterized in that activated sludge fermented by a fermentation plant during sewage treatment is used as matrix, molasses is added into the matrix as a culture medium, compound bacteria are grafted into the culture medium after adding water to ferment, then grass carbon is added into the culture medium, and the mixture is dried to form the compound bacterial fertilizer. The method realizes reutilization of sludge waste, and provides economic and efficient microbial sludge bacterial fertilizer for the development of green ecological agriculture.

The invention discloses a microbial fertilizer-plant synbiotic composition preparation and a method for preparing the synbiotic preparation. In the composition preparation, the plant synbiotic consists of probiotics, prebiotics and stabilizer; and bacillus forms zymotic fluid. The method for preparing the synbiotic preparation comprises the following steps: fermenting the probiotics; regulating bacteria amount; and preparing and homogenizing to obtain the product. Azotobacter, pralidoxime iodide and potassium bacteria in the preparation can increase soil nutrition, improve the fertilizer utilization rate and soil granule structures, promote the air permeability, water-retaining property and drainage, and overcome the defect of sunlight greenhouse continuous cropping; oligosaccharide prebiotics in the preparation can stimulate crops to improve resistance to pathogenic microorganisms, and promotes permanent planting and proliferation of the probiotics; the preparation can inhibit toxicity generated by bacteria, start self immunity system, eliminate diseases and remove evils, reduce bactericidal pesticide, has cold resistance, heat resistance, drought resistance, waterlogging resistance, saline and alkaline resistance, fertilizer damage resistance, chemical damage resistance and nutrition imbalance resistance, can promote plant root elongation and good development of capillary roots, and promote blooming and fruit yielding.

The invention discloses a saline-alkali soil improving agent, and a preparation method thereof. The preparation method comprises following steps: fermented plant fiber and fermented animal excreta are uniformly mixed and grinded so as to obtain a mixture of 80 to 100 meshes; wood vinegar and water are added, uniform mixing is carried out, and an obtained mixed material is subjected to pelletizing and drying until water content ranges from 3 to 8%, wherein the adding amount of water accounts for 5 to 30% of the total weight amount of the mixture; an obtained product is sieved so as to obtain a granular mixture with a particle size ranging from 3 to 5mm; the granular mixture is subjected to drying and cooling, and a microorganism agent is sprayed onto the surface of the granular mixture; and an obtained semifinished product is uniformly mixed with a mixture A and a mixture B so as to obtain a finished product, wherein the mixture A is obtained via uniform mixing and grinding of ground phosphate rock, vermiculite, medical stone, sodium alginate, and polyacrylamide to 120 to 200 meshes, and the mixture B is obtained via uniform mixing and grinding of humic acid and furfural residue to 80 to 100 meshes. The saline-alkali soil improving agent is capable of reducing soil alkalinity, activating soil, reducing salinity and alkalinity effectively, improving saline-alkali soil structure, improving soil fertilizer conservation and water-holding capacity, improving saline-alkali soil physical and chemical properties, and realizing positive cycling of saline-alkali soil.

The environment protection type bioactive plant-growing container for growing seedlings in planting consists of plant fiber powder 20-75 wt%, natural organic matter 10-60 wt%, bioactive nutrient 0.5-20 wt%, non-toxic adhesive 10-50 wt% and stuffing 3-10 wt%. The said plant fiber powder is husk powder, rice straw powder, corn straw powder, wheat straw powder, etc; the natural organic matter includes turf and sphagna; and the bioactive nutrient is algin. The plant-growing container is produced through mixing the said material and press molding at 80-160 deg.c.

The invention provides a multifunctional active organic fertilizer and a preparation method thereof, relating to an organic fertilizer containing bacteria, fungi and spores, particularly an active organic fertilizer with functions of soil restoration and disease / pest resistance. The invention aims to provide a multifunctional active organic fertilizer capable of restoring soil pollution and improving product quality and a preparation method thereof. The multifunctional active organic fertilizer is composed of three layers from inside to outside, wherein the innermost layer is composed of a component A of which the main effective components are Bacillus subtilis and Paecilomyces lilacinus; the middle layer is composed of a component B and a component C containing multiple rich nutritive elements; and the outermost layer is composed of a component D of which the main effective components are Streptomyces vinaceus-drappus and Gliocladium roseum. The multifunctional active organic fertilizer can passivate heavy metals in soil, activate the soil, improve the microecological environment of the rhizosphere, degrade the chemical pesticides and improve the crop quality. The multifunctional active organic fertilizer is used in the field of agricultural planting.

The invention discloses a composite modifying agent for restoring farmland polluted soil and a preparation method of the composite modifying agent and relates to the field of modern agriculture. The problem that in an existing polluted soil restoring method, dual restoration functions of soil polluted heavy metal and organic matter cannot be achieved is solved. The composite modifying agent comprises, by weight, 3-9 parts of a composite microbial agent, 40-60 parts of peat soil, 30-50 parts of straw powder, 3-5 parts of cake powder, 0.1-0.3 part of quick lime, 0.2-0.4 part of dipotassium phosphate, 0.5-1.5 parts of ammonium sulfate, 20-40 parts of diatomite, 20-40 parts of humic acid, 20-40 parts of zeolite, 5-15 parts of active carbon, 1-3 parts of sepiolite and 1-3 parts of chitosan. The composite modifying agent can effectively remove heavy metal in the soil and degrade organic pollutants in the soil, has dual restoration functions, cannot cause secondary pollution and can increase the crop yield; and cost is low, the restoration time is short, preparation is easy and convenient, and the restoration effect is good.

The invention discloses a liquid film prepared from crop straw fermentation liquid and an application method thereof. The liquid film comprises the following components in parts by weight: 82-99 parts of raw materials, 11-14 parts of film forming agent, 2-3 parts of plasticizer, 1.3-2.5 parts of crosslinking agent, 0.02-0.05 part of initiator, 0.2-0.3 part of pH regulator and 0.1-0.3 part of additional component, wherein the raw materials include 68-79 parts of crop straw fermentation waste liquid or water, 7-10 parts of bentonite, 2-3 parts of modified starch and 5-7 parts of potassium humate; and the additional component is one or more of crofton weed extraction liquid, potassium nitrate, trace elements and composite microbial agent spore powder. The liquid film disclosed by the invention has the advantages of simple proportioning, simple structure, convenience in use, low cost, low labor intensity and degradability; and after degradation, the liquid film can improve the soil texture and aggregate structure so as to improve the fertilizer efficiency.

The invention relates to a method for producing an acid soil modifier by using agricultural waste. The method comprises: crushing agricultural waste, and heating one part of the crushed agricultural waste in the absence of air to obtain biomass carbon powder; and mixing the biomass carbon powder, the other part of the crushed material, and limestone powder, and uniformly stirring to obtain the finished product. With application of 50-500 kg of the soil modifier on per mu of soil, soil acidity can be effectively reduced, physical and chemical properties of soil can be improved, and economic values of crops can be increased. In addition, the acid soil modifier has characteristics of wide raw material source, low product cost, simple production process, no toxicity and no harm, is a green soil modifier, and has good ecological and social benefits.

The invention belongs to the field of agriculture, which relates to a slow control release biological inorganic and organic mixed fertilizer. The mixing fertilizer is prepared by fully mixing the following components in percentage by weight: 3%-10% of beneficial microbial agent, 0.4%-1% of fertilizer slow control release agent, 5%-12% of organic matter, 0.2%-10% of plant growth stimulin, 15%-25% of nitrogen, 5%-12% of phosphorus, 6%-15% of potassium, and 2%-10% of middle trace element. The invention not only has the advantages of high nutrient concentration and simple production process, but also can enhance the utilization rate of the fertilizer, save the fertilizer, increase the output, improve the soil, and promote the sustainable development of agriculture and environment protection.

The invention discloses a novel multifunctional compound microbial fertilizer and belongs to the technical field of agricultural compound fertilizer. The novel multifunctional compound microbial fertilizer is prepared from the following raw materials: a microbial agent, biological carbon, pyrethrum powder, carbamide, monoammonium phosphate, potassium chloride, biochemical fulvic acid and EDTA chelated microelements. The novel multifunctional compound microbial fertilizer is capable of providing nutrients required for crops and is capable of excellently decreasing incidences of plant diseases and insect pests, so that the use of pesticide is reduced and the yield and the quality of the crops are improved.

The present invention is composite organic-inorganic water retaining agent with fertilizing slowly releasing function and its preparation process. The fertilizing slowly releasing water retaining agent is prepared with cheap attapulgite, humic acid capable of increasing organic matter in soil, acrylic acid and acrylamide as main material and through adding initiator and cross-linking agent, grafting copolymerization and cross-linking in water solution, washing, drying, and crushing. The water retaining agent has distilled water absorbing capacity of 400-600g / g and cost 30-40 % lower than that of available organic polymer water retaining agent. With water absorbing, water retaining and fertilizer slow releasing functions, the present invention may be used in water-saving agriculture, ecological restoring engineering and other fields.

The invention discloses a novel green biological organic fertilizer and belongs to the technical field of agricultural biological fertilizers. The novel green biological organic fertilizer is prepared from the following raw materials: straw mixture, seaweed residue, humic acid, amino acid and multifunctional zymophyte. The novel green biological organic fertilizer provided by the invention has the advantages that nutrients required by crops can be provided, incidence of plant diseases and insect pests can be greatly reduced, usage amount of pesticide is reduced, and crop yield and quality are improved.

The invention discloses a special compound microbial fertilizer of corns. The fertilizer is prepared from the following raw materials: a microbial agent, charcoal, urea, diammonium phosphate, potassium dihydrogen phosphate, potassium chloride, boric acid, magnesium sulfate, ferrous sulfate, amino acid zinc chelate, amino acid manganese chelate, nano titanium dioxide, a traditional Chinese medicine composition and bamboo vinegar. The special compound microbial fertilizer of corns is reasonably matched according to the growth and nutrient needs of the corns, so that not only can the plant absorb and utilize the fertilizer very well, and can the utilization rate of the fertilizer be increased, but also the volume weight of the soil can be reduced, the quick growth of the maize root can be promoted, the yield and the quality of the corns can be improved, the soil micro-ecological environment can be improved, the ecological balance can be recovered, the fertilizer conservation capacity and the water conservation capacity of the soil can be improved, the growth of weeds and plant diseases and insect pests can be inhibited, the occurrence of soil-borne diseases can be relieved to the greatest extent, the dosage of pesticides can be reduced, the residual pesticides in the soil can be degraded, the cost can be saved, and the sustainable development of the economy and the society can be facilitated.

The invention discloses a novel compound microbial agent and relates to the technical field of agriculture microbes. 10 parts to 20 parts of bacillus subtilis, 20 parts to 30 parts of bacillus mucilaginosus and 50 parts to 70 pats of bacillus licheniformis serve as raw materials; and 5 parts to 15 parts of sodium humate, 30 parts to 50 parts of bran, 30 parts to 50 parts of rice bran and 5 parts to 15 parts of seaweed serve as raw materials for culture media. A preparation method of the novel compound microbial agent includes mixing and smashing the bacillus and maintaining the moisture to be in 30% to obtain the novel compound microbial agent. Bacterial manure prepared by mixing the novel compound microbial agent with nitrogen, phosphorus and potassium according to an appropriate ratio can effectively improve the granular structure of the soil and has a stimulation effect on the growth of crops, and the yield-increasing effect is apparent.

The invention relates to the field of banana cultivation, in particular to a compound microbial agent for preventing and treating a banana wilt disease and a prevention and treatment method. The compound microbial agent comprises paenibacillus polymyxa, bacillus subtilis, bacillus thuringiensis, pseudomonas stutzeri, bacillus amyloliquefaciens, cold-resistant brevibacteriaceae, trichoderma and metarrhizium anisopliae. By means of a reasonable proportion, all strains are mutually influenced and promoted, and the prevention and treatment effect on the banana wilt disease is greatly improved. The prevention and treatment method of the banana wilt disease can effectively adjust the composition of bacterial colonies in soil, promote growth and propagation of probiotics and antagonistic bacteria in the soil, rapidly restore and stabilize the balance of the bacterial colonies in the soil, prevent and treat occurrence and spread of the banana wilt disease, effectively decrease the occurrence rate of the banana wilt disease and maintain the stable and high yield of bananas.

The invention discloses a bioorganic fertilizer using agricultural waste as raw materials, which comprises the following components in parts by weight: 40-50 parts of excrements of livestocks, 30-40 parts of biogas manure, 5-10 parts of mushroom residues, 5-10 parts of dregs, 3-5 parts of foots and 1-2 parts of fermentation strains. The preparation process of the bioorganic fertilizer comprises the steps of fungicide preparation, raw material preparation, inoculation and fermentation. The mositure content of materials in a pile is maintained to be 60%-80% through sprinkling of biogas manure. The fungicide culture is simple, and the operation is simple. The biogas manure is used as a fermentation substrate and a substrate humidity-controlling agent, and two purposes are achieved through one step. The fertilizer efficiency is high, the raw materials are easily available, and the applicability is high. The preparation period is short, and the conversion rate is high. The bioorganic fertilizer is first-choice fertilizer for producing organic agricultural prodcucts and high-quality agricultural products. The bioorganic fertilizer can be widely applied to various crops, fruit trees and vegetables.

The invention discloses a composite material with water retention and fertilizer maintenance effects. The composite material is compounded by clay minerals, peat, humic acid, a water retention agent and inorganic fertilizer which serve as raw materials and is mainly used for resisting drought and storing water for desertificated land and improving soil. According to the composite material disclosed by the invention, the organic matter content of a sandy land can be increased, the water retention and fertilizer maintenance properties are improved, and growth of plants is facilitated, so that the aim of ecological recovery is fulfilled; all the raw material components can be naturally degraded; on the premise that the granular structure of the soil is improved, the saline-alkali content is reduced and nutritional components necessary to the growth of the plants are increased, secondary pollution to the environment is avoided; the raw materials is readily available, the preparation technology is simple, the cost is low, and large-scale production is facilitated.

The invention discloses a microbial organic fertilizer as well as a preparation method and application thereof. The preparation method of the microbial organic fertilizer comprises the following steps of: mixing five types of bacteria liquid, including Klebsiella pneumoniae subspecies, Bacillus mucilaginosus, Bacillus megatherium, Bacillus subtilis and Thermophilic sporotrichum, with an organic matter base stock in a weight ratio of 1: 1: 1: 1: 1: 500 to obtain a mixture A and fermenting the mixture A, wherein the organic matter base stock is composed of poultry excrement, straws and humic acid-like substances in a weight ratio of 3: 3: 2; externally placing one bag of Streptomycesmicroflavus bacteria powder as B; and adding the bacteria powder of B into A according to the ratio of 0.2% to obtain the microbial organic fertilizer. The microbial organic fertilizer is applied to cotton and potato planting and grape planting under an extreme drought condition and the yield increasing effect is obvious. According to the invention, the technical difficulty of the fermentation of the existing microbial organic fertilizer is effectively solved, and nitrogen fixation, phosphorous decomposition and potassium decomposition effects are comprehensively achieved; and meanwhile, the microbial organic fertilizer is convenient for farmers, is simple and practical and has important application value.

The invention relates to a soil improvement agent and a processing method thereof. The soil improvement agent comprises the following raw materials in parts by weight: 60-95 parts of desulfurized waste, 0.5-2.0 parts of inorganic accelerator, and 0.5-30 parts of organic accelerator. The soil improvement agent provided by the invention has the beneficial effects that calcium ions in the desulfurized waste are used to replace exchangeable sodium on the soil colloid, thus reducing the alkalization degree of the soil; at the same time, the excellent pore structure and physical property of the organic accelerator are used to improve the physical property of the soil and the granular structure of the soil, reduce the pH value of the soil, and improve the soil fertility; the inorganic accelerator can also improve the granular structure of the soil; in addition, with auxiliary inorganic fertilizer and organic fertilizer, the soil fertility of the soil can be further improved so as to provide nutrient contents for plant growth. To sum up, by adopting the scheme in the invention, unbalance of nutritive elements in the soil can be effectively overcome, the land capability is improved, the soil is loosened, and the fertilizer efficiency is increased, so that the soil salinization phenomenon is fundamentally harnessed step by step.

The invention relates to a dedicated composite bacterial fertilizer for saline-alkali soil and a preparation method of the composite bacterial fertilizer, and belongs to the technical field of composite bacterial fertilizers. The composite bacterial fertilizer is prepared from the following raw materials in percentage by weight: 10-20% of a phosphate-solubilizing potassium-solubilizing composite bacterial inoculant, 40-60% of kitchen waste, and 30-40% of diatomite, wherein the phosphate-solubilizing potassium-solubilizing composite bacterial inoculant is prepared by the following steps: respectively culturing and centrifuging bacillus megatherium, bacillus thuringiensis, pseudomonas fluorescens, bacillus amyloliquefaciens, bacillus mucilaginosus and azotobacter chroococcum, performing freeze drying on the centrifuged bacteria, drying, and performing balanced mix on the dried bacteria; the kitchen waste is prepared by the following steps: sorting the kitchen waste, removing impurities, dehydrating and removing oil from the kitchen waste, then crushing the kitchen waste, adding the composite bacterial inoculant and a mixed enzyme preparation, and at last performing aerobiotic solid state fermentation. The composite bacterial fertilizer is prepared by recycling the wastes such as the kitchen waste and the waste diatomite, so that the saline-alkali soil can be improved fundamentally.

The invention discloses a polymer emulsion coated slow release fertilizer taking a nanomaterial as a carrier. A preparation method of the fertilizer comprises the following steps of: uniformly mixing a treated nano soil material, approximately fermented fungi residues and a nutritional raw material; and adding an organosilicone modified acrylic ester emulsion which is mixed with a crosslinking agent into the mixture and mixing uniformly to prepare the polymer emulsion coated slow release fertilizer which is provided with a water repellent film on the surface and takes a nanomaterial as a carrier. The fertilizer has the advantages that: adsorption of water and the fertilizer among carriers is realized, a basis is laid for long-acting slow release of the fertilizer, the fertilizer effect and slow release performance of the slow release fertilizer are enhanced, and the quality of an agricultural product is improved.