2685 results about "Cow dung" patented technology

The invention provides an organic fertilizer with livestock and poultry manure and a preparation method thereof. The organic fertilizer comprises cow manure, edible mushroom dregs, pig manure, chicken manure, maize straw powder and an Em (effective microorganisms) stock solution. The specific formula of the organic fertilizer comprises 19.7 percent of edible mushroom dregs, 10 percent of pig manure, 10 percent of chicken manure, 20 percent of maize straw powder, 0.3 percent of Em stock solution, and the balance of cow manure. The preparation method of the organic fertilizer is characterized in that a production technology of the organic fertilizer with the livestock and poultry manure mainly adopts a shallow pool type fermentation technology, namely the cow manure, the pig manure, the chicken manure, the edible mushroom dregs, the maize straw powder and the Em stock solution are poured into a mixer in proportion and are evenly mixed and stirred, the evenly mixed and stirred materials are sent into a shallow layer pool type fermentation pool, and the organic fertilizer fermentation environment temperature is controlled to be above 15 DEG C. Firstly, various raw materials including the livestock and poultry manure, the edible mushroom dregs, the straw powder and a fermentation bactericide are mixed, and then the mixed materials are put into a mixing and stirring machine to be evenly stirred, are sent into the material fermentation pool to be fermented for 8 days and are discharged from the pool to enter a secondary aerobic fermentation procedure. The organic fertilizer has the advantages of low cost and high yield and can improve the quality of crops.

The invention provides an industrial cultivation method of selenium-enriched agaricus bisporus, The cultivation materials comprises the materials based on the following part by weight: 100-300 parts of straw, 100-300 parts of cow dung, 0.5-1 part of urea, 0.5-1 part of ammonium bicarbonate, 0.5-1 part of superphosphate, 1-2 parts of lime, 1-2 parts of cake fertilizer, 0.1-0.3 parts of sodium selenite, etc. The invention also provides a series of industrial cultivation methods such as the preparation of mushroom seeds, the preparation of paved soil, the cultivation of the selenium-enriched agaricus bisporus, etc. The cultivation method has low cost, simple and convenient operation and easy realization, and can cultivate the agaricus bisporus with high yield and abundant nutrition, wherein the content of organic selenium generally can reach more than 0.5-1%. The selenium-enriched agaricus bisporus is dried in a drying oven till that moisture content is less than 5%, is crashed and screened to obtain the organic selenium powder; and the organic selenium powder is taken as raw materials to be matched with spirulina, lucid ganoderma, and the like, to prepare various selenium-enriched nutritious foods such as granules, troche, oral liquid, and the like, thereby having wide application range.

The invention provides a specialized organic / inorganic composite biological medicine fertilizer for watermelon, and a preparation method thereof. The weight parts of composition raw materials are as follows: 50-70 parts of sludge produced by sewage treatment, 20-30 parts of tree ash, 30-40 parts of watermelon vines, 20-30 parts of cow manure, 15-20 parts of bagasse, 5-7 parts of fishbone dust, 8-10 parts of oil cakes, 10-15 parts of the tree ash, 10-15 parts of phosphorus slag, 8-10 parts of poultry feather, 8-10 parts of monoammonium phosphate, 10-12 parts of triple superphosphate, 12-15 parts of potassium chloride, 2-4 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 10-12 parts of decomposed coal, 2-4 parts of seven leaf clover, 9-11 parts of angled bittersweet, 8-10 parts of capillary artemisia, 5-7 parts of fructus cnidii, 6-8 parts of fructus quisqualis, 3-5 parts of wormwood, 3-5 parts of litsea cubeba, 8-10 parts of daturae flower powder, 3-5 parts of paraffin, 1-1.25 parts of zinc sulfate, 2-3 parts of ferrous sulfate, 0.8-1.2 parts of borax, 10-12 parts of potassium fulvic acid, 3-4 parts of chili oil and 0.2-0.5 part of EM strains. A green organic fertilizer is obtained by mixing a plurality of organic wastes and fermenting the mixture, thereby reducing environment pollutions. The specialized organic / inorganic composite biological medicine fertilizer for the watermelon has the advantages of comprehensive nutrition and enhanced sterilizing effects by mixing the fermented organic materials and inorganic fertilizer and adding medicine juice of the Chinese herbal medicine having insectidical functions. With the application of the fertilizer, watermelon quality can be effectively increased; and the watermelon has green leaves, bright flower, prolonged flowering period and increased output.

The invention relates to a big seedling transplanting method for an inshore saline-alkali land. The method is characterized in that: the optimal time for transplanting big trees in inshore regions is spring. The method comprises the following steps of: selecting a region with soil salt content of over 0.3 percent, and paving a filter layer; installing blind pipes; backfilling original soil doped with 1 / 4 to 1 / 3 cow dung or straws; irrigating with great water to remove salt and reduce alkali, wherein the water quantity is 120 cubes per mu; cutting and trimming roots in a mode of 'cutting the main root and keeping capillary roots' in one year earlier; lifting and transporting; planting in a depth which is 10 to 15 centimeters higher than the original trunk planting earth surface line position; and performing daily management. The method has the advantages of effectively reducing underground water level, providing favorable conditions for reducing slat and improving alkali, providing an appropriate environment for the growth of plants, remarkably promoting the growth of roots of big seedlings, enhancing the growth vigor, achieving the seedling survival rate of over 90 percent and effectively solving the problem of low survival rate of the transplanted big seedlings in the saline-alkali regions.

The invention discloses a production method for a biological organic fertilizer which belongs to the field of manufacturing of composite fertilizers. The production method comprises the following steps: with pig manure, cow dung, chicken manure, sheep manure, vinasse, vinegar residue, cassava residue, furfural residue, uncontaminated river mud, corn straw, peanut straw, rape straw, a cottonseed cake, plant ash, a deodorant, a biological nitrogen fixation bacterium, a phosphate solubilizing bacterium, a potassium solubilizing bacterium, a nodule bacterium and a phosphorus activator used as raw materials, carrying out tank continuous fermentation to allow the raw materials become thoroughly decomposed; carrying out deodorizing and removing water; and carrying out granulation to obtain the granular biological organic fertilizer. The fertilizer has the following advantages: a complete range of nutrient elements, capacity of improving physical and chemical properties of soil and enhancing water retention, fertilizer retention and fertility supplying capacity of the soil, no corrosion and damage to roots and seedlings and capacity of substantially improving the quality of an agricultural product.

The present invention relates to bispore mushroom cultivating technology, and is especially one kind of bispore mushroom cultivating medium and its application. The cultivating medium consists of grass material 45í½55 wt%, dung material 35í½45 wt%, cake fertilizer 1í½8 wt%, urine 0.5í½1.0 wt%, gypsum powder 0.5í½1.5 wt%, calcium superphosphate 0.8í½1.5 wt%, lime powder 0.2í½1.5 wt%, calcium carbonate 0í½2.0 wt% and dichlorovos 0í½0.5 wt%. The grass material including rice straw, wheat straw, cotton seed husk, corn cob and corn stalk, and the dung material including cow dung, house dung and chicken dung account for at least 90 wt%. The cake fertilizer may be soybean cake, soybean powder, cotton seed cake and / or corn powder. The cultivating medium is used for cultivating bispore mushroom in tall stalk crop field and has biological conversion efficiency over 60 % and bispore mushroom yield over 25 kg / sq m.

The present invention provides biological fertilizer compositions that comprise yeast cells and cattle manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.

The invention discloses a method for raising earthworm by taking advantage of dairy manure and straws and stalks of crop, which applies fresh dairy manure and straws and stalks of crop to raise earthworm. The invention adopts fresh dairy manure and straws and stalks of crop as raw materials, which can not only solve the treatment problem of dairy manure in large-scale cattle farms and reduce environment pollution, but also obtain earthworm with high economic value as well as odourless, clean and natural organic manure with high quality, thus realizing the regeneration and utilization of dairy manure, reducing treatment cost for dairy manure on cattle farms, and greatly improving economic benefits of enterprises.

The invention discloses a special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and a preparation method thereof. The special improvement fertilizer comprises the following components in parts by weight: 40-80 parts of flue gas desulfurization gypsum, 1-3 parts of citric acid, 0.5-1.5 parts of magnesium sulfate, 1-5 parts of aluminum sulfate, 1-5 parts of ferrous sulfate, 10-30 parts of weathered coal, 10-20 parts of cattle manure or chicken manure, 1-5 parts of urea, 0.5-2.5 parts of ammonium sulfate, 1-3 parts of potassium sulfate, 1-3 parts of monoammonium phosphate, 0.1-0.5 part of zinc sulfate, 0.1-0.5 part of manganese sulfate and 3-10 parts of bentonite. The fertilizer is reasonable in design, provides an effective solution for inland saline-alkali soil of China, and has higher practical value and wide market prospects.

The invention discloses a vegetable nursering substrate, which is characterized by the following: allocating raw material with fermented cattle manure, peat, vermiculite, pearlite and composite fertilizer of nitrogen, phosphor and potassium according to certain proportion; avoiding environmental pollution; saving manufacturing cost; reducing cost effectively; improving fertility by over 50%.

The invention discloses a production method for a biological organic composite fertilizer containing humic acid chelate and belongs to the field of biological organic fertilizers. The biological organic composite fertilizer containing the humic acid chelate is produced by taking a mixture of chicken manure, pig manure and cow manure, corn straws, rape straws, melon vine, pine shells, chaff powder, rice bran and hulls, fungus dregs, beer grains, acid-sludge, starch dregs, soy sauce residure, aginomoto residues, oil residues, oil cakes, mildewed feeds, organic fertilizer fermentation agents, humic acid chelate ferrum, humic acid chelate copper, humic acid chelate magnesium, humic acid chelate zinc, humic acid chelate calcium and humic acid chelate manganese as raw materials through bacterium adding, full rotting, doping and granulation. The biological organic composite fertilizer containing the humic acid chelate has the advantages of low production cost, complete fermentation, thorough sterilization, high bioactivity, high humic acid chelate trace element content, zero odor, zero bacterium, convenience in use and the like.

The invention discloses a culture medium used for cultivating bisporic mushrooms as well as the cultivating method thereof. Per 100 square meters of culture medium contain the following cultural materials: cotton seed hull 1800 to 3200 catties, waste cotton 0 to 1200 catties, corncobs 0 to 1200 catties, cottonseed meal 0 to 200 catties, cattle manure 2 to 4 cubic meters, chicken manure 0 to 1.2 cubic meters, urea 0 to 60 catties, quicklime 80 to 120 catties, plaster powder 0 to 120 catties, calcium superphosphate 0 to 120 catties, enzyme microorganisms 2 to 4 catties, and water of proper amount. The method includes the following steps: firstly, the cultural materials are mixed; secondly, the mixed cultural materials are composted and fermented; thirdly, the cultural materials are processed in a shed; fourthly, sowing is carried out; fifthly, the culture medium is distributed; sixthly, the soil is covered; seventhly, the mushrooms are obtained. The culture medium has low cost, the conglutination of the cultural materials is not easy to happen, and the cultural materials have easy pile-turning, thereby causing the composting and the fermentation to be laborsaving and timesaving; the enzyme microorganisms can not only speed up the fermentation of the cultural materials and improve the fermentation quality, but also facilitate the absorption and utilization of the culture medium by the mycelium of the bisporic mushrooms.

The invention discloses a production method for planting agaricus bisporus by using mushroom residues of pleurotus eryngii. The agaricus bisporus consists of the following substances in percentage by weight: 40 to 60 percent of mushroom residues, 20 to 40 percent of corn straws, 10 to 30 percent of cow dung, 1 to 3 percent of urea, 1 to 3 percent of lime and 0.5 to 2.5 percent of calcium superphosphate. In the production method for planting agaricus bisporus by using the mushroom residues of pleurotus eryngii, the routine production process for culturing agaricus bisporus is adopted, wherein the process comprises the following steps of: pre-wetting raw materials, piling the materials, turning over the piles, placing and laying the piled materials on a frame, fermenting the materials, seeding the materials, mycelium culture, earthing, taking out and managing the agaricus bisporus and harvesting fruit bodies. Because the mushroom residues for producing pleurotus eryngii are recycled to serve as the material for planting agaricus bisporus, environmental pollution is avoided and the aim of clean growth and environmental protection is fulfilled.

The invention relates to earthworms, in particular to a method for cultivating an earthworm greenhouse, and belongs to the technical field of agricultural processing. By the method, the cultivation of earthworm greenhouses is realized through construction of earthworm farms, manure fermentation, earthworm stocking, breeding management and the like; pig manure, cow dung, broken forage and the like are fermented and then taken as manure; and through scientific management, the reproduction and growth of the earthworms are guaranteed, so that the demand of the cultivation of aquatic products is met.

The invention discloses an organic recycling agriculture production system with high efficiency, which uses food obtained from planted crops for feeding livestock, manure produced by which is fermented so as to produce biogas, biogas residue and biogas slurry, wherein, the biogas can be used as clean energy, while the biogas residue and biogas slurry are applied to cultivated lands or grass lands; the planted forage and crop stalks can be used for raising cattle or earthworm after grinded together with cattle manure; the earthworm can be extracted to produce plant growth enhancer, protein feed and biologic products; the earthworm manure can be used as highly effective organic fertilizer to be applied to farm lands or grasslands. The organic recycling agriculture production system of the invention abides by the theory of agriculture circular economy, utilizes nature resource fully and reasonably, promotes resource regeneration, forms virtuous circle of multi-grade utilization of material and energy, and thus is a modern agriculture technique with high quality, high yielding, high efficiency, low consumption and environment protection as well.

The invention relates to a method for preparing straw dairy manure organic fertilizer, comprising the steps of mixing a certain amount of straw powder or rice chaff, and the like, with swamp liquid; preparing into swamp liquid straw mixture with proper water content; evenly mixing the prepared swamp liquid straw mixture, the dairy manure with proper water content and zymogeneous bacteria agent; sequentially firstly fermenting, periodically piling, secondly fermenting, periodically piling, dehydrating, and stopping fermenting; and processing, packing or finish machining to prepare the organic fertilizer. The method harmlessly processes the swamp liquid and prepares the organic fertilizer therewith, not only solves the river pollution problem caused by randomly discharging the swamp liquid, but also can use the organic fertilizer for crops.

The invention relates to a method of earthworm cultivation through cow dung straw compost. Cow dung and straws are used as raw materials, the mixed materials of the cow dung and the straws are evenly mixed with mixed zymophyte liquid and then are watered and fermented until the temperature reaches 60 DEG C to 70 DEG C, and then fermentation is carried out for at least 3-5 days at the temperature. When the temperature goes down to 25 DEG C to 30 DEG C, earthworms are put into the fermentation materials, and according to consumption speed of nutriment in the cultivation process, fermentation products are added, a certain amount of earthworm cast is taken out, and the earthworms can be collected and harvested after maturing. The method can obviously improve growth speed and egg laying amount of the earthworms, and yield of the earthworms is improved.

The invention discloses a production method of an animal manure carbon fertilizer. Raw materials are animal manures. The production method of the animal manure carbon fertilizer comprises the following steps of: a, mixing organic granules; b, dryly granulating; c, carrying out carbonization processing; d, water-cooling; e, screening; and f, backmixing, and granulating. The animal manure carbon fertilizer is produced by adopting the animal manures such as pig manures, cow manures, sheep manures, horse manures, and the like as the raw materials and converting the organic matters contained in the animal manures into biological carbon by heating the animal manures at high temperate in a low-oxygen environment, has the characteristics of self multihole, large specific surface area, high absorbance, and the like, improves the soil ecological environment, can enhance the fertilizer utilization ratio through the characteristics of absorption and slow release, also has a soil improvement function, fertilizer synergy and higher content of fertilizer components such as nitrogen, phosphorus, potassium, and the like, and can be used by partially replacing a fertilizer; and in addition, the animal manure carbon fertilizer can be used as a slow release synergist of the fertilizer, plays a role of fixing the fertilizer and moisture, achieves the purposes of prolonging fertilizer effect and enhancing fertilizer utilization ratio.

The invention provides a method for treating cow dung with Hermetia illucens to prepare an organic fertilizer. The method comprises the following steps: dehydrating cow dung with a dehydrater; adding swill or kitchen waste of which the addition amount is 10-15% of the mass of dehydrated cow dung; and then adding lactic acid bacteria dry powder for fermentation treatment for 1-2 days, wherein the addition amount of lactic acid bacteria dry powder is 0.1% of the mass of dehydrated cow dung; and finally adding 3-4-day old Hermetia illucens larva, culturing for 5-6 days at 30-35 DEG C under the condition that the air humidity is 75-85%, and separating out mature Hermetia illucens larva, thus obtaining an organic fertilizer. The method has the advantages of high treatment capacity, short cycle and low energy consumption in the treatment process, and can be used for realizing the resource utilization of cow dung and kitchen waste and changing waste material into things of value. In addition, since the nutritional value of cow dung is higher than that of horse dung and lactic acid bacteria are used for fermentation treatment, cow dung becomes loose and is improved in palatability, the intake rate of Hermetia illucens is increased and the yield of mature Hermetia illucens larva can be improved by 50% or above. By virtue of the method, the environment sanitation is improved and moreover organic fertilizer and bioprotein are produced; and thus, the method has a very bright application prospect.

The invention relates a treatment and utilization technology of saline soil resources, in particular to a treatment and utilization method of muddy seashore saline soil. The method comprises the following steps of: establishing a water supply system consisting of a fresh water well, a water pump and a water supply pipe; excavating a salt leaching drainage ditch so as to establish a drainage salt leaching system; applying a cow dung and crop stalk fertilizer and a phosphogypsum soil and fertility improving fertilizer; with a small raised field as unit, irrigating fresh water to wash and leach salt; and planting and maintaining vegetation through cultivating the land by machine, sunning the upturned soil, planting the vegetation and irrigating the vegetation, wherein a planting technology with gradient increasing salt tolerance is adopted in planting the vegetation. According to the invention, for the salinity and structural characteristics of the muddy seashore saline soil, the muddy seashore strongly salined soil in the coastal zone is treated and utilized in combination with engineering measures, physical measures and chemical measures on the basis of salt tolerant plant appraisal; and The treatment and utilization method of the muddy seashore saline soil provided by the invention has the advantages of simplicity in operation, resource conservation, soil treatment and utilization cost of less than 166.21 yuan / m2 and plant survival rate of more than 90%.

The invention discloses a melon / vegetable seedling raising organic compound substrate prepared from vinasse and a production method thereof. The volume ratio of components is vinasse:mushroom residue or vinasse:cattle manure or vinasse:marsh slag:crop straw. The production method comprises the following steps: collecting the raw materials, pulverizing, pretreating, rotting, preparing the substrate and carrying out quality inspection to obtain the melon / vegetable seedling raising organic compound substrate prepared from vinasse. The substrate disclosed by the invention has the advantages of high water retention property, favorable air permeability, abundant nutrient content and no inorganic substrate; the substrate can promote melon / vegetable seedlings to absorb and utilize water, fertilizer and air, and enhance the stress tolerance of the seedlings, thereby being beneficial to sound and full seedlings; and the substrate can completely substitute the substrate product mainly composed of grass carbon in the market. At present, the grass carbon is nonrenewable resources, and has the defects of high price and nonuniform distribution. The substrate disclosed by the invention can protect the resources and lower the seedling raising cost.

The invention relates to a preparation method of abamectin dreg fertilizer; the method solves the problem that: the existing preparation method of the organic fertilizer affects the content of total nitrogen, total phosphorus and total potassium when reducing the content of inorganic nitrogen, phosphorus and potassium in the fertilizer. The preparation method is characterized in that: the preparation method comprises the following steps: (1) dairy manure, slag, maize straw, ammonium hydrogen carbonate and potassium sulphate are uniformly mixed, composted and fermented; after the fermentation is finished, the dairy manure, the inorganic nutrients of which are fixed by microorganisms is obtained; (2) the abamectin dreg is dried to have 40-55% of the water content; (3) the dairy manure, the inorganic nutrients of which are fixed by microorganisms, the abamectin dreg, humic acid and argil are uniformly mixed and are made into particles, thus obtaining the abamectin dreg fertilizer. The method not only can improve the content of total nitrogen, total phosphorus and total potassium in the organic fertilizer, but also can effectively reduce the content of inorganic nitrogen, phosphorus and potassium in the fertilizer simultaneously; therefore, the produced fertilizer has high content of the total nitrogen, the total phosphorus, the total potassium and organic matters.

The invention discloses an ultrahigh temperature decomposition agent of straws and cattle manure, and a preparation and an application of the decomposition agent, and belongs to the field of decomposition agents. The decomposition agent is prepared by mixed fermentation and drying of the straw, the cattle manure and a complex decomposition inoculant, wherein the complex decomposition inoculant comprises 1-10 parts of thermophilic bacterium inoculant, 1-6 parts of bacillus licheniformis inoculant, 1-6 parts of aspergillus oryzae inoculant, 1-6 parts of lactobacillus plantarum inoculant, 1-6 parts of thermoactinomyces sacchari, and 1-6 parts of cold-proof brevibacterium inoculant. The decomposition agent, a composting method and the application of the decomposition agent solve the problems of slow temperature rise during composting and decomposition, low fermentation temperature, long fermentation time, incomplete decomposition, poor compost quality and the like in the fermentation of the existing complex inoculant, and the decomposition agent is quick in temperature rise during the composting and the decomposition, quick in heating-up, high in fermentation temperature, short in fermentation time, more thorough in decomposition and higher in quality.

The invention relates to the technical field of biomass fuel, in particular to biomass particle fuel and a preparation method thereof. The biomass particle fuel and the preparation method are characterized in that cow dung, biogas residues, sawdust, yellow mud and corn straw are pre-fermented to change the structure layer of the biomass raw materials and form a compact structure, high-content organic matter is formed, and organic matter components are increased; drainage oil is poured into the organic matter, high-speed stirring is used to allow microscopic biochemical reaction between the drainage oil and the fermented materials, and organic matter mass and quality are increased; the stirred mixture is fermented to further convert the organic matter so as to increase the combustible substances in the organic matter and improve the quality of the organic matter; combustion improver is added and extrusion forming is performed to allow the prepared biomass particle fuel to be good in quality.

The invention discloses a fermented organic fertilizer. The fermented organic fertilizer comprises the following components in parts by mass: 1000-1500 parts of stalk, 1000-1300 parts of chicken manure, 1000-1500 parts of cattle manure, 800-1200 parts of pig manure, 1200-1800 parts of soybean meal, 35-50 parts of a microbial agent, 10-20 parts of peat humic acid, 50-80 parts of corn meal, 60-90 parts of composite enzyme preparation and 30-60 parts of complex bacteria. The invention also discloses a fermentation method of the fermented organic fertilizer. As the method adopts the microbial bacteria and the composite enzyme preparation, the fermentation efficiency is improved, the fermentation time is effectively reduced, the consumption amount of water, electricity and steam is reduced, the production cost is lowered, and the method is suitable for industrial large-scale production; the fermented organic fertilizer disclosed by the invention has no malodor when used in fields, is cost-saving due to the reduction in the consumption, does not result in soil impoverishment, hardening and salinization, and meets the trend of energy-saving, environment-friendly and sustainable development.

The invention discloses a method for preparing earthworm cultivation substratum. By mixing livestock dung and edible fungus residue without foreign matters to carry out anaerobic fermentation, the method obtains the substratum for cultivating and reproducing earthworms, the livestock dung is pig dung or cow dung or the mixture of pig dung and cow dung, and the edible fungus residue is residue which is left over in the growth of cultured saprophytic lignicolous fungi or coprophilous fungi. Since the method utilizes the livestock dung and the edible fungus residue as the cultivation substratum to raise the earthworms, the method not only solves the problem of dung accumulation and waste and prevents environment pollution, but also increases the cultivation scale and growth quality of the earthworms by adding the edible fungus residue, thus effectively increasing the output of the earthworms.

The invention discloses a preparing method of organic fertilizer through domestic animal manure, which comprises the following steps: (1) blending and stirring manure, filler and microbe leaven completely and evenly; (2) packing; piling; fermenting; drying; producing semi-product; (3) graining; (4) packing; piling; fermenting; drying; (5) sealing to pack. The manure is pig manure, cow manure, hen manure and duck manure. The filler consists of smoke powder and rice bran. The microbe fertilizing leaven is EM biological bacterium agent. The fermenting method doesn't emit odor gas, which avoids secondary pollution effectively.

The invention discloses a culture medium for edible fungus and a preparation method thereof. The culture medium comprises the following raw materials: 10 to 20 parts of weed tree sawdust, 35 to 40 parts of corncob, 10 to 20 parts of bagasse, 15 to 25 parts of wheat bran, 3 to 8 parts of corn flour, 2 to 7 parts of bean pulp, 30 to 40 parts of pleurotus eryngii fungus residues, 8 to 12 parts of cow manure, 9 to 12 parts of corn stalk, 1 to 5 parts of calcium carbonate, 1 to 5 parts of lime, 2 to 3 parts of gypsum, 1 to 5 parts of a compound fertilizer, 2 to 6 parts of calcium superphosphate and 11 to 20 parts of bentonite. The culture medium has a pH value of 7.5 to 8 and water content of 65 to 68%. The culture medium for the edible fungus and the preparation method designed by the invention can ensure the growth rate and color of the edible fungus, improve the nutritional value of the edible fungus, reduce cost and improve yield of the edible fungus.

The invention discloses a biological organic fertilizer which is composed of the following raw materials in parts by weight: 20-25 parts of chicken manure, 10-15 parts of cattle manure, 10-15 parts of sheep manure, 12-15 parts of peat soil, 6-10 parts of animal bone meal, 4-6 parts of animal wool meal, 4-6 parts of leaves, 6-8 parts of mushroom dregs, 0.01-0.03 part of copper oxide, 0.01-0.03 part of iron oxide, 0.01-0.03 part of magnesium, 2-4 parts of humic acid, 0.01-0.03 part of rhizobia, 0.03-0.06 part of azotobacteria, 0.01-0.03 part of phosphobacteria, 0.01-0.03 part of potassium bacteria, 2-4 parts of straws, 1-3 parts of egg-shell meal, 1-2 parts of rice chaff, 0.5-0.8 part of glucose and 0.05-0.08 part of borax. The invention also discloses a preparation method of the biological organic fertilizer. The biological organic fertilizer has high fertilizing capability, improves loose soil and protects ecological balance.