40results about How to "Lower carbon to nitrogen ratio" patented technology

The invention provides a vegetable residue, crop straw and livestock and poultry excrement combined composting process. An aerobiotic and anaerobic combined composting mode is adopted in the process. The process comprises the steps of material pretreating, mixing, composting, primary fermenting, secondary fermenting, thorough decomposing, sieving or smashing, compost preparing and the like. Crop straw with a high-carbon nitrogen ratio is used, and the problems of high moisture content, low carbon-nitrogen ratio and poor air permeability existing in the high-temperature aerobiotic composting process of vegetable residues are effectively solved; according to the process, the nutrients and moisture of the vegetable residues can be utilized, harmless treatment can be carried out on the vegetable residues, the crop straw and livestock and poultry excrement through high-temperature composting, organic compost is produced, and resource utilization of planting and breeding waste is achieved.

The invention discloses a biological organic fertilizer with an insect expelling function and a preparation method thereof. The fertilizer comprises the following components: tobacco waste, 1 to 2 percent of calcium-magnesium phosphate, 1 to 2 percent of ammonium sulfate, 3 to 5 percent of waste molasses and 0.3 to 0.5 percent of zymocyte based on the total weight of the tobacco waste; and the zymocyte comprises 20 to 35 weight percent of trichoderma viride, 20 to 35 weight percent of bacillus subtilis, 10 to 20 weight percent of rhizopus oryzae, 10 to 20 weight percent of chaetomium and 10 to 20 weight percent of thermomonospora fusca. The preparation method comprises the following steps of: pretreating the tobacco waste; smashing tobacco waste raw materials into sawdust-like grains of 40 to 60 meshes; then adjusting the carbon-to-nitrogen ratio of the raw materials to 20 to 30:1 with grass peat or straw powder; and then adjusting the pH value to 6.5 to 7.5 with Ga(OH)2 and the water content to 40 to 50 weight percent. Due to the adoption of the biological organic fertilizer with the insect expelling function, nicotine in the raw materials can be preserved to the greatest extent, insect damage degree is lowered, the using amount and times of agricultural chemicals are reduced, the application of the agricultural chemicals is effectively reduced, and the production is environmentally friendly.

The invention provides a method for deeply treating micro-polluted source water through in-situ enrichment, immobilization and acclimatization of indigenous microorganisms. In-situ enrichment and immobilization of the indigenous microorganisms are carried out in a stuffy aeration manner under an appropriate aeration condition by inoculating underwater bed sediment to be treated and water to be treated and adding nutrient elements; then, the immobilized microorganisms are gradually adapted to the water quality to be treated by arranging automatic water intake / discharge, gradually reducing the concentration of the nutrient elements in intake water and increasing the amount of intake / discharged water. The method disclosed by the invention has the following advantages: 1) under the stuffy aeration condition, loss of the microorganisms is avoided, multiplication of the indigenous functional microorganisms is accelerated, and the start time of the process is greatly shortened; 2) the multiplication of autotrophic nitrobacteria flora is preferably promoted by inoculating the underwater bed sediment having nitrobacteria flora of high abundance, adding ammonia nitrogen and reducing a carbon nitrogen ratio, and the diversity of the inoculated nitrobacteria flora is ensured by inoculating the underwater bed sediment having an appropriate depth, and therefore the operation stability of a system is promoted.

The invention discloses an artificial wetland-microbial fuel cell coupling device with a multi-medium filter material and a wastewater treatment method by using the device, and belongs to the technical field of sewage treatment and electrochemical coupling. The artificial wetland substrate is prepared by the multi-medium filter material, and coconut shell activated carbon and stainless steel netsare used as an anode and a cathode. Emergent aquatic plants are planted, and aeration pipe are arranged. The device comprises a sieve plate, a zeolite zone, an anode zone, a ceramsite zone and a cathode zone from bottom to top; the anode zone and the cathode zone are both laid by the stainless steel meshes and are connected through an external circuit; an outer resistance is arranged between the anode and the cathode; an outflow water collecting zone and an inflow water distribution zone are respectively arranged at the upper part and the lower part, and the outflow water collecting zone and the inflow water distribution zone are respectively connected with a water supply system and a drainage system; a water inlet tank is connected with the bottom of the device; and a water outlet is formed in the upper part of the device. According to the system, the coupling effect of artificial wetland and a microbial fuel cell is fully exerted, and the multi-medium filter material is utilized, sothat the denitrification effect is enhanced, electricity generation performance is improved, and recycling of resources is realized.

The invention provides a spruce culture medium prepared from a cassava stalk. The cassava stalk and the spruce skin are respectively smashed into different sizes of particles, after treatment of pile fermentation, the ectomycorrhizal fungi of the spruce is added into the particles and then blended uniformly so as to obtain the spruce culture medium, the spruce culture medium comprises the following raw material components according to parts by weight: 4-5 parts of pile fermenting cassava stalk base material and 5-6 parts of pile fermenting spruce skin base material, the pile fermenting cassava stalk powder base material comprises 100 parts of cassava stalk powder, 100 parts of chicken manure, 0.1 part of cassava powder, 5 parts of superphosphate, 0.05 part of slaked lime powder, and 0.02 part of an enzyme microorganism agent, and the pile fermenting spruce skin powder base material comprises 100 parts of spruce skin powder, 2 parts of urea, 0.02 part of slaked lime powder, and 0.01 part of 95% hymexazol wettable powder. The spruce culture medium makes full use of processing residue of agriculture and forestry, so that the culture of seedling cost is lowered; and the culture medium has the particles with proper size, has a loose structure, is high in organic matter content, contains multiple microelements, is proper in power of hydrogen, has less germ, and is very suitable for growth of spruce seedlings.

The invention belongs to the technical field of soil improvement, and discloses a tea plantation soil organic fertilization improver and a preparation method and application thereof. The soil organicfertilization improver disclosed by the invention is prepared from a variety of substances according to a specific proportion, such as straw compost, biomass charcoal and cake fertilizer, all the substances cooperate with one another, thus, the improver disclosed by the invention is rich in organic matters and a variety of elements needed by the growth of tea trees, the fertilizer efficiency is persistent and stable, the content of organic matters and active organic matters in soil is increased, consequently, the fertility and quality of soil are increased, and the objective of promoting the increase of tea leave yield and improving quality is achieved. Because the main materials used by the soil organic fertilization improver disclosed by the invention all come from byproducts or wastes of agricultural production, the ecological environment is protected, moreover, the comprehensive recycling of resources is realized, the production cost is reduced, and the invention has high economicvalue.

The invention discloses cellulase-producing Bacillus and application thereof and belongs to the technical of environmental biology. Bacillus thermolactis strain B209 has good ability to degrade natural cellulose, can well grow with other strains, and has scientific and reasonable ratio; compost made by using the Bacillus thermolactis strain to carry out piling can be heated for a short time; the high temperature lasts long; cellulose degradation rate is high; compost reaction speed can be effectively increased; harmless effect of the compost can be improved; the Bacillus thermolactis strain has a very promising application prospect.

The invention discloses an organic fertilizer used for greenhouse strawberries. The organic fertilizer is prepared from the following components in parts by mass: 50 to 65 parts of special mixed animal manure, 15 to 18 parts of straw powder, 5 to 10 parts of peanut shell powder, 130 to 150 parts of rice-rinsing water, 10 to 20 parts of vinasse, 3 to 8 parts of strains and 2 to 4 parts of a traditional Chinese medicine solution. By adopting a modern science and biological technology, the raw materials are scientifically blended, and are rich in a plurality of types of microelements including nitrogen, phosphorus, potassium and the like needed by the growth of the strawberries; the traditional Chinese medicine solution is matched, so that balanced and comprehensive absorption of the microelements by the strawberries can be promoted, growth and root development of the strawberries are promoted, physiologic diseases are prevented from occurrence, and the growth of the strawberries is facilitated; the stink odor also can be eliminated and the grown strawberries have high adaptability, can resist gray mold and powdery mildew and have relatively large fruits; the average single fruit weight of first-grade and second-grade fruits is 42g and the maximum fruit weight is more than 100g; the surfaces of the fruits are flat and smooth, and have waxy color and luster, red pulp, suitable sour and sweet taste and rich aroma; the content of soluble solid matters is 10 percent to 11 percent, and the content of soluble total sugar reaches 9.47 percent; the fruits have great rigidity and can be stored and transported for long time and long distance.

The invention discloses a pollution-free strawberry fertilizer which is composed of the following components in parts by mass: 80-85 parts of rabbit / cattle mixed fecaluria, 5-10 parts of wheat straw powder, 3-5 parts of dry spent grain, 3-6 parts of tangerine peel, 2-3 parts of strain, 160-170 parts of rice washing water and 2-5 parts of pesticide. By adopting the modern technology and biotechnology, the pollution-free strawberry fertilizer is prepared from the rabbit / cattle mixed fecaluria, wheat straw powder, dry spent grain, tangerine peel, strain and rice washing water used as raw materials which are proportioned scientifically. The produced fertilizer contains rich nitrogen, phosphorus, potassium and many other minor elements required by strawberry growth, and is matched with the pure traditional Chinese medicine pesticide. 60-70kg of the pollution-free strawberry fertilizer is applied to every mou of land; the application mode is mainly furrow application, hole application or any other centralized application mode; and soil is covered after application. The pollution-free strawberry fertilizer can promote the balanced strawberry plants, enable the strawberry plants to comprehensively absorb minor elements and promote the growth of strawberry plants and the development of the root system. The pollution-free strawberry fertilizer can implement pest killing, sterilization and disinfection, can prevent diseases and pests, and has the advantages of no-pollution and low cost. The strawberries have the advantages of bright color, full fruit, favorable mouthfeel, storage and transportation resistance and high disease-resistance.

The invention discloses an organic fertilizer and a preparation method thereof. Cockroaches are adopted for biological conversion treatment on kitchen wastes, and excrement generated when the kitchenwastes are treated by using the cockroaches can be used as an organic fertilizer. The organic fertilizer disclosed by the invention has the advantages of being good in dryness, free of smell, small insize and easy to store, meanwhile is high in nitrogen phosphorus and potassium content, rich in trace element, low in heavy metal content and is an ideal organic fertilizer. By adopting the preparation method, a great amount of high-quality cheap fertilizers can be produced, the kitchen wastes are ecologically treated, and not only are problems of social environment sanitation caused by the kitchen wastes and human health influence caused by the social environment sanitation solved, but also great economic benefits can be made.

The invention provides a method used for processing biogas slurry via boilogical filter combination filtering. According to the method, a cylindrical filtering container is adopted; coarse maize straw is taken as a first stage column filling material, fine maize straw is taken as a second stage column filling material, and walnut sand is taken as a third stage column filling material; a first stage column, a second stage column, and a third stage column are connected successively; and biogas slurry is subjected to three stage series filtering. The biogas slurry filtering method is simple and convenient in operation; biogas residue is abundant in nitrogen nutrition, and is retained in filtering materials along with sludge after filtering so that carbon nitrogen ratio of the filtering materials is reduced; after filtering, biogas slurry low in suspension content can be used for subsequent liquid organic fertilizer preparation via membrane concentration, and can be used for composting process of spent filtering materials so as to obtain organic fertilizers; and environmental benefit and economic benefit are excellent.

The invention discloses a method for cultivating snails with a composted material. The method comprises the following steps: (1) preparation of a composted material: uniformly mixing animal feces, straws, cottonseed cake, peanut cake, fruit skin, bean dregs, fish viscera and eggshells according to parts by weight, passing a 40-mesh sieve after drying and crushing, adding 150 to 200 parts by weight of water and 2 to 5 parts by weight of compound bacteria liquid, fermenting for 3 to 5 days at a temperature of 40 to 52 DEG C in a sealing way, taking out and oxidizing for 12h, refrigerating for 23 to 48h at a temperature of 4 to 8 DEG C, fermenting for 30 to 35 days at a temperature of 45 to 60 DEG C in a sealed way, and finally spray-drying to obtain the composted material; (2) culture pond management: after laying a layer of composted material at the bottom of soil, covering soil, and injecting into pond water with a height of 35 to 50cm to be soaked for 40 to 52 days; (3) feeding management. According to the technical means adopted by the invention, the effects of reducing the amount of feed, shortening the cultivating time, and increasing the output of snails are achieved.

The invention discloses a water-soluble carbon fertilizer containing microbial flora. The water-soluble carbon fertilizer is prepared from the following raw materials in parts by weight: 0.5 to 5 parts of microbial agent, 12 to 40 parts of synergist, 0.2 to 1 part of protective agent and 54 to 87.3 parts of molasses-alcoholic waste liquid. The invention further discloses a preparation method of the water-soluble carbon fertilizer containing the microbial flora. The water-soluble carbon fertilizer can be absorbed by crops and soil microorganisms and improves crop and soil microenvironment microcirculation.

The invention discloses a synergistic pest-expelling organic fertilizer special for strawberries.The synergistic pest-expelling organic fertilizer is prepared from, by mass, 65-75 parts of mixed feces and urine of dogs and cows, 5-8 parts of corn stalk powder, 6-10 parts of cassava vinasse, 3-5 parts of air-dried banana peel, 2-3 parts of strains, 130-140 parts of rice washing water and 1-4 parts of pest expelling liquid.The synergistic pest-expelling organic fertilizer special for the strawberries is prepared from the mixed feces and urine of the dogs and the cows, the corn stalk powder, the cassava vinasse, the air-dried banana peel, the strains and the rice washing water by adopting a modern science and technology biotechnology, the selected raw materials are scientifically proportioned, and the produced fertilizer is rich in multiple trace elements such as nitrogen, phosphorus and potassium which are needed by growth of the strawberries; by adding the pest expelling liquid in a matched mode, balanced and comprehensive trace element absorption, the growth and root system development of the strawberry plants can be promoted, pest expelling, sterilizing and disinfecting on soil can be achieved, and diseases are prevented from occurring; the fertilizer is green, environmentally friendly, low in cost, scientific in proportion and good in pest expelling effect, and the grown strawberries are bright in color and luster, full in fruit, good in mouthfeel, resistant to storage and transportation and high in disease resistance.

The invention relates to a method for realizing deep decarbonization and denitrification through treating sludge digested fluid of a municipal sewage plant by adopting semi-short-range nitrification-anaerobic ammonium oxidation-electrooxidation and belongs to the technical field of denitrification and decarbonization of the sludge digested fluid. Anaerobic ammonium oxidation is realized in a SBR (Sequencing Batch Reactor), and then, the autotrophic denitrification of the sludge digested fluid is realized; the deep removal of ammonia nitrogen and total nitrogen from the sludge digested fluid isrealized through the anaerobic ammonium oxidation without additionally adding a carbon source; refractory organic matters are deeply removed from the sludge digested fluid through electrooxidation toachieve deep denitrification, and thus, the problems of merged treatment of the sludge digested fluid that the quality of yielding water of the sewage plant is lowered, and independent treatment is high in cost are solved. Through SBR-EO combination, anaerobic ammonium oxidation denitrification is achieved in the SBR, refractory matters in the yielding water are degraded in an electrooxidation reactor through hydroxyl free radicals with high oxidizability produced on an anode, and thus, the economical efficient decarbonization and denitrification of the sludge digested fluid are achieved. Concentrations of the organic matters, total nitrogen and ammonia nitrogen of final effluent are only 60 to 80, 8 to 12 and 20mg / L to 30mg / L, and the removal rate of each of the organic matters, total nitrogen and ammonia nitrogen reaches up to 95% or more.

The invention discloses a cunninghamia lanceolata cultivation compound substrate and a preparation method for the same. The substrate comprises the following raw materials in parts by weight: 200 parts of cunninghamia lanceolata skin powder, 200-220 parts of tung bran, 0.1-1.2 parts of corn flour, 10-11 parts of rice bran, 0.07-0.08 parts of slaked lime powder, 0.04-0.05 parts of enzyme microorganism agent, 0.01-0.02 parts of suillus bovines agent, 0.01-0.02 parts of coletus luridus, 10-11 parts of calcium magnesium phosphate fertilizer, 2.0-2.5 parts of urea, and 0.01 part of 95% dexon wettable powder. The preparation method comprises the following steps of: crushing cunninghamia lanceolata skins, performing fermentation and adsorption treatments, performing ectotrophic mycorrhiza amplification, compounding, and thus obtaining the cunninghamia lanceolata cultivation compound substrate. With the adoption of the substrate, wood processing remains can be adequately utilized, thus being environment-friendly and reducing seedling culture cost; the use of quick-acting fertilizers and pesticides is reduced, thus reducing pollution, avoiding soil hardening and salinization, enhancing the biological activity of soil system, and building up fertility; seedlings are fast in growth, nursery stocks are good in quality, and the survival rate of afforestation is high; and the substrate is good in economic benefits, social benefits and ecological benefits.

The invention discloses a septic tank and sewage treatment method using pretreatment and biological contact in the technical field of treatment of domestic sewage. The septic tank which adopts pretreatment and biological contact includes a pretreatment aeration pool, a pretreatment sedimentation pool, an anaerobic fermentation pool, a biological contact oxidation pool, a secondary sedimentation pool and a blower, wherein a water inlet pipe is arranged on the pretreatment aeration pool, a first overflow plate is arranged between the pretreatment sedimentation pool and the pretreatment aerationpool, and the anaerobic fermentation pool is a sealed cavity. Sewage is pretreated under the condition of aeration firstly, organic matter and suspended matter in the sewage are adsorbed by sludge, and therefore the obtained sewage has a low carbon-nitrogen ratio; sedimentation of the sludge is performed in the pretreatment sedimentation pool, only the liquid is discharged, and solid matter whichcarries parasite eggs is left, so that anaerobic sterilization and egg killing are achieved; denitrification and phosphorus removal are performed, so that organic matter is reduced, and the sewage ispurified effectively; finally resting sedimentation is performed so that excessive SS which is caused by biofilm falling off and aeration agitation can be avoided; therefore, the method has a good treatment effect on organic matter, nitrogen, phosphorus and other matter.

The invention belongs to the technical field of organic fertilizers, and particularly relates to a straw decomposed organic fertilizer and a preparation method thereof. The straw decomposed organic fertilizer is prepared from the following components in parts by weight: 200-400 parts of crop straw, 50-80 parts of vegetable leaves, 20-40 parts of animal waste and 0.5-1.0 part of a composite microbial decomposition agent; wherein the composite microbial decomposition agent comprises pseudomonas stutzeri, penicillium oxalicum, rhizopus oryzae, trametes versicolor and white rot fungi. Crop straw, vegetable leaves and animal waste are mixed in proportion to serve as an organic material, the carbon-nitrogen ratio of a single straw organic matter can be reduced, and the situation of nitrogen deficiency after the fertilizer is applied to soil is avoided. By adding the composite microbial decomposition agent, the time required for decomposition can be greatly shortened, the reduction speed of the carbon-nitrogen ratio is increased, preservation of nitrogen, phosphorus and potassium in compost and increase of organic matters are facilitated, and nutrient balance is promoted. After the fertilizer is applied to soil, the content of organic matters and available nutrients in the soil can be increased, acidified soil is improved, and soil fertility is increased.

The invention belongs to the technical field of fruit tree planting and cultivating, and discloses a multiple-cropping cultivation technology for pearl guavas. According to the technology, grafting is conducted through local small guava variety fruit trees and good-variety pearl guava fruit trees, and multiple-cropping planting is conducted by enhancing seedling management after grafting cultivation and comprises the steps of seedling raising, land preparing, field planting, multiple cropping of potatoes, mulching film covering, field managing, training and pruning and multiple cropping of tagetes erecta. The purpose of eliminating root-knot nematode disease damage is achieved through multiple cropping of the potatoes and the young guava seedlings and multiple cropping of the tagetes erecta and the strong guava seedlings, a benign ecological environment suitable for the pearl guavas, the potatoes and the tagetes erecta is continuously studies and created by enhancing management in the planting process, and then the purposes of preventing and controlling the root-knot nematode disease damage, increasing the survival rate of the guava fruit trees and effectively increasing the land utilization rate are achieved.

The invention relates to the field of agricultural organic fertilizers, and discloses an organic water-fertilizer for promoting high yield of pearl guava. A preparation method of the organic water-fertilizer comprises the following steps: retting 5 to 10 percent of dried small shrimps, 15 to 20 percent of fishbone, 15 to 20 percent of diatomaceous earth, 20 to 40 percent of bran, 10 to 20 percent of rice stem, 1 to 3 percent of EM (Effective Microorganism) bacteria liquor and 5 to 10 percent of flaccid knotweed herb; stirring and mixing animal urine, the retted materials and water. The water-fertilizer is slightly applied to seedlings of the pearl guava, so that the problems of soil hardening, low fertility of applied organic fertilizers and existence of pathogenic bacteria due to inconvenience in fertilization and application of an inorganic fertilizer in the conventional planting and fertilizing process of the pearl guava are solved.

The invention discloses ecological planting ceramsite and a preparation method thereof. The ecological planting ceramsite is prepared from the following raw materials: clay, a geopolymer cementing material, a liquid excitant, water, a nutrient substrate, an organic binder and alkali-resistant grass seeds, fully and uniformly mixing the pretreated clay, the geopolymer cementing material, the nutrient substrate and the grass seeds to obtain a mixture; spraying a mixed aqueous solution of a liquid excitant and an organic binder into the obtained mixture, uniformly stirring and mixing, granulating, and maintaining to obtain the ecological planting ceramsite. The ecological planting ceramsite does not need a sintering process, compared with sintered ceramsite, the non-sintered ceramsite has theadvantages of being high in water absorption rate, resistant to salt corrosion, good in durability and the like, meanwhile, the strength is high, the mass is light, the durability is good, and grassseeds in the ceramsite can grow under the conditions of proper sunlight, moisture and temperature. The baking-free ecological planting ceramsite is energy-saving and environment-friendly, and solid wastes such as waste clay are effectively utilized.

The invention discloses a cunninghamia lanceolata cultivation compound substrate and a preparation method for the same. The substrate comprises the following raw materials in parts by weight: 200 parts of cunninghamia lanceolata skin powder, 200-220 parts of tung bran, 0.1-1.2 parts of corn flour, 10-11 parts of rice bran, 0.07-0.08 parts of slaked lime powder, 0.04-0.05 parts of enzyme microorganism agent, 0.01-0.02 parts of suillus bovines agent, 0.01-0.02 parts of coletus luridus, 10-11 parts of calcium magnesium phosphate fertilizer, 2.0-2.5 parts of urea, and 0.01 part of 95% dexon wettable powder. The preparation method comprises the following steps of: crushing cunninghamia lanceolata skins, performing fermentation and adsorption treatments, performing ectotrophic mycorrhiza amplification, compounding, and thus obtaining the cunninghamia lanceolata cultivation compound substrate. With the adoption of the substrate, wood processing remains can be adequately utilized, thus being environment-friendly and reducing seedling culture cost; the use of quick-acting fertilizers and pesticides is reduced, thus reducing pollution, avoiding soil hardening and salinization, enhancing the biological activity of soil system, and building up fertility; seedlings are fast in growth, nursery stocks are good in quality, and the survival rate of afforestation is high; and the substrate is good in economic benefits, social benefits and ecological benefits.

The invention discloses a wastewater treatment system for removing total nitrogen through an A-ACMBR process without adding a carbon source. The system comprises a primary treatment device main body and a secondary treatment device main body. The system can treat urban sewage, culturing and slaughtering wastewater and industrial organic wastewater with a high solid content, a low carbon-to-nitrogen ratio and a high pollutant content at a low cost and a high efficiency.

The invention belongs to the technical field of organic fertilizer production and particularly discloses a livestock manure-based organic fertilizer and a processing method thereof. The livestock manure-based organic fertilizer is composed of livestock manure, microbial agent, urea, molasses, bran, lime, sludge, bentonite, inorganic nutrients and trace elements. The processing method of the livestock manure-based organic fertilizer comprises the following steps of S1, activation of the microbial agent, S2, mixing the raw materials, S3, fermentation, S4, aging and S5 crushing and pelletizing. The livestock manure-based organic fertilizer and the processing method thereof well solves the problem of pollution of livestock manure to the environment and achieve resource reutilization, thereby being green and environmentally friendly; meanwhile, the livestock manure-based organic fertilizer can reduce the carbon-nitrogen ratio of soil, and meanwhile produce and release intermediate metabolites which can be used by soil microorganisms, thereby increasing the bioactivity, ensuring sufficient absorption of nutrient elements by crops and improving the crop yield.

The invention relates to a method of fermenting pig manure in a biogas digester; the method comprises (1) pretreating pig manure; (2) adjusting carbon-nitrogen ratio; (3) performing anaerobic fermentation. According to the method of fermenting pig manure in the biogas digester, before pig manure is added into the biogas digester, suitable EM (effective microorganisms) are added into the pig manure and are mixed well and fermented by piling, the EM can effectively decompose matters that kill bacteria and greatly inhibit the growth and breeding of methane bacteria, as well as other toxic matters, most of the matters adverse to the fermentation of the pig manure are decomposed into fermentable organic compounds such as proteins and cellulose, some of the proteins provide energy for the growth and breeding of methane bacteria, mass methane bacteria are produced during fermenting, pig manure fermenting speed can be increased, and the pig manure can be fermented completely; suitable tea seed dregs and peanut shells are added into the pig manure, pig manure carbon-nitrogen ratio is suitably increased, and it is avoided that failure of normal fermentation is caused by too low carbon-nitrogen ratio and a stock solution being easy to acidify.

The invention relates to a preparation method of a saw dust soilless culture substrate. The preparation method comprises the following steps: (1) adding water into saw dust until water saturation is reached and water seeps exactly; (2) adding copperas and urea into the saw dust added with water, and overturning and stirring to uniformly distribute copperas and urea in the saw dust, wherein 1kg-2kg of copperas is added into each cubic meter of saw dust and 0.5kg-1.5kg of urea is added into each cubic meter of saw dust; and (3) fermenting the saw dust added with copperas and urea for 40-60 days in open air, so as to obtain the saw dust soilless culture substrate. The invention further relates to the saw dust soilless culture substrate prepared by virtue of the preparation method.

The invention relates to the technical field of cloud ear fungus preparation, in particular to a method for making cloud fungus fungus with eucalyptus sawdust, which includes the steps of raw material preparation, fermentation, packaging, sterilization, inoculation and hyphae cultivation. The present invention solves the problem of early emergence of primordia through the selection of strain raw materials, strict control of light and technical measures of reasonable arrangement, effectively delays the aging of mycelium, and at the same time accelerates the growth rate of mycelia, reducing the The pollution of miscellaneous bacteria improves the yield of finished products, thereby providing a strong guarantee for the production of cloud fungus to obtain high yield.

The invention provides a spruce culture medium prepared from a cassava stalk. The cassava stalk and the spruce skin are respectively smashed into different sizes of particles, after treatment of pile fermentation, the ectomycorrhizal fungi of the spruce is added into the particles and then blended uniformly so as to obtain the spruce culture medium, the spruce culture medium comprises the following raw material components according to parts by weight: 4-5 parts of pile fermenting cassava stalk base material and 5-6 parts of pile fermenting spruce skin base material, the pile fermenting cassava stalk powder base material comprises 100 parts of cassava stalk powder, 100 parts of chicken manure, 0.1 part of cassava powder, 5 parts of superphosphate, 0.05 part of slaked lime powder, and 0.02 part of an enzyme microorganism agent, and the pile fermenting spruce skin powder base material comprises 100 parts of spruce skin powder, 2 parts of urea, 0.02 part of slaked lime powder, and 0.01 part of 95% hymexazol wettable powder. The spruce culture medium makes full use of processing residue of agriculture and forestry, so that the culture of seedling cost is lowered; and the culture medium has the particles with proper size, has a loose structure, is high in organic matter content, contains multiple microelements, is proper in power of hydrogen, has less germ, and is very suitable for growth of spruce seedlings.

The invention discloses an ecological planting ceramsite and a preparation method thereof. The raw material ecological planting ceramsite includes: clay, geopolymer gelling material, liquid activator, water, nutrient matrix, organic binder and alkali-resistant grass seeds ; Fully mix the pretreated clay, geopolymer cementitious material, nutrient matrix and grass seeds to obtain a mixture; spray the mixed aqueous solution of liquid activator and organic binder into the obtained mixture, stir and mix well and then granulate and maintain the ecological planting ceramsite. The ecological planting ceramsite does not require a sintering process. Compared with the sintered ceramsite, the unfired ceramsite has the characteristics of higher water absorption, salt corrosion resistance, and good durability. At the same time, it has high strength, light weight, and good durability. Under the conditions of suitable moisture and temperature, the grass seeds in the ceramsite can grow. The burning-free ecological planting ceramsite is energy-saving and environment-friendly, and enables solid waste such as waste clay to be effectively utilized.

The present invention adopts pretreatment and micro-aeration two-stage low-energy sewage treatment method, comprising: a). Pretreatment of sewage, utilizing microorganisms to adsorb organic matter and suspended matter in sewage; b) Settling of sewage; c ). Denitrification of sewage. Nitrosifying bacteria convert ammonia nitrogen in sewage into nitrite nitrogen, and anammox bacteria convert ammonia nitrogen and nitrite nitrogen into nitrogen gas to achieve denitrification. The sewage treatment system of the present invention includes a pretreatment tank, a pretreatment sedimentation tank, a denitrification tank, a blower, a controller and a detector. The blower realizes aeration, the detector detects water quality, and the controller controls the operation of the sewage treatment system. The sewage treatment system and method of the present invention rely on the denitrification effect of the anammox bacteria to convert most of the nitrogen element into nitrogen gas, and truly leave the water body and pollutants. In the sludge treatment stage, organic matter is converted into energy through anaerobic fermentation, which can bring considerable power consumption to the sewage plant and maintain the activity of denitrification microorganisms.