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54results about How to "Reduce nitrogen loss" patented technology

Method for preparing organic agriculture biochar compound fertilizer

ActiveCN103833445AEmission reductionImprove carbon sequestration and emission reduction capabilitiesBio-organic fraction processingOrganic fertiliser preparationOrganic farmingEnvironmental engineering
The invention relates to a method for preparing an organic agriculture biochar compound fertilizer. The method comprises the following steps: (1) performing high-temperature pyrolysis on air dried crop straws or excrements of poultry and livestock in a charring furnace, and collecting biochar after cooling; (2) mixing the biochar, excrements of poultry and livestock and powdered rock phosphate, adding an EM bacterium solution and water, controlling the moisture content to be 40-50 percent, uniformly stirring and mixing, and pouring the solution into a fermenting tank for performing closed fermentation; (3) drying the fermentation product which is thoroughly decomposed, so that the moisture content of the fermentation product is 20-30 percent; (4) mixing the dried fermentation product, potassium mineral powder and clay, uniformly mixing and crushing; (5) granulating the crushed materials, and drying to obtain the biochar compound fertilizer. Components contained in the biochar compound fertilizer disclosed by the invention are components allowed to be used in national standards of organic products in China, the compound fertilizer is processed in the physical process and can be used in organic farms, and the gap of biochar compound fertilizers in organic agriculture is filled.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Biomass charcoal, compost containing biomass charcoal, and preparation method of biomass charcoal

The invention discloses a biomass charcoal and an application of the biomass charcoal in compost. The biomass charcoal is prepared through the following steps: grinding plant twigs, in the protection of nitrogen gas, carrying out a high-temperature heating treatment on the plant twigs in a cracking furnace, then cooling, grinding, and sieving with a sieve with a size of 80 to 100 meshes so as to obtain the biomass charcoal. The preparation method takes plant twigs as the raw materials, then prepares biomass charcoal under a high temperature; then the biomass charcoal is applied to a compost composed of poultry manure, the biomass charcoal can reduce the nitrogen element loss in the compost, also promotes the fermentation process and compost maturity of the compost, and thus improves the application effect of the organic fertilizer. A novel nitrogen preserving method during the poultry manure compost fertilization process is provided.
Owner:NORTHWEST A & F UNIV

Method for producing ammonium sulphate with phosphogypsum as raw material

The invention discloses a method using phosphogypsum as the raw material to produce ammonium sulfate, and the method comprises steps as follows: 1750 shares of crude phospho gypsum which contains 20 percent of free water is taken, and 2 to 5 percent of the amount of the crude phospho gypsum of activator is added the aging for 2 to 8 days; then, a reaction tank and an ammonium carbonate solution are added to carry out the conversion reaction, in the reaction process, the concentration of the ammonium carbonate solution is 40 to 42 percent, the carbonized ratio CO2 / 2NH3 is 1.34 to 1.37, the quality is 1840 to 2000g, the reaction temperature ranges from 55 to 70 DEG C, the stirring speed ranges from 200 to 240 turns per minute, and the reaction time ranges from 1.5 to 2.5 hours; after filtration, the ammonium sulfate solution is obtained, the ammonium sulfate solution is neutralized by sulfate to obtain a PH value ranging from 6.9 to 7.02, and then, an ammonium sulfate excellent grade product is obtained through multi-effect evaporation crystallization and drying. The method can solve problems of waste piling and pollution of phosphogypsum, which restrict the development of the phosphate chemical industry, and realize the resource utilization of the phosphogypsum.The production cost is low, and the industrial production can be realized.
Owner:WENGFU (GRP) CO LTD

Semi-forced ventilation static sludge aerobic compost method

The invention relates to a semi-forced ventilation static aerobic sludge composting method belonging to the technical field of environmental protection. Precast conditioning materials are prepared, and the sludge and the conditioning materials are mixed according to proportion to form mixture. The mixture is piled up to form a strip heap with a trapezoid cross section and the lower part of the strip heap is provided with an air tunnel. One end of the heap is provided with a stop wall and the surface of the heap is covered by a thin film. When temperature rises, a fan is started to change fresh air and lower the temperature of the fermentation heap, and then the compost is sieved out after natural fermentation. The method has the advantages of low energy consumption, simple operation, good composting quality, low operation cost and little influence on environment. The prepared composting is easily absorbed by crops and can be directly used for landscaping, soil remediation and agri-fruit planting, etc.
Owner:THUNIP HLDG

In-situ composting method and device of crop straws

The invention relates to an in-situ composting method and device of crop straws, belonging to the research field of agricultural environment protection. The method comprises the following steps: grinding harvested straws in an improved straw grinder or kneading in a straw kneader; adding calcium superphosphate, magnesium sulfate or urea based on the weight percent of the straws; composting and fermenting at high temperature; and turning until the temperature rises to above 65 DEG C. Feeding equipment is added at the front end of the grinding device of the grinder, so that the grinder can adapt to feed, crush and grind creeper or thick-stem vegetable residuals, thus reducing nitrogen losses, thoroughly eliminating pathogenic organisms carried by the straws in the process of composting the vegetable straws, and greatly quickening warming, softening and decomposing processes of the straws. The key technology and the device are provided for effectively treating and utilizing the straws in time, thus providing technological support for forbidding firing and discarding the straws and recycling the straws.
Owner:JIANGSU ACAD OF AGRI SCI

High-efficiency all-nutritional corn special fertilizer prepared by granulation of tower-type melt and production method thereof

The invention discloses a high-efficiency all-nutritional corn special fertilizer prepared by the granulation of a tower-type melt and a production method thereof, and relates to the technical field of special fertilizers of crop formulas. The high-efficiency all-nutritional corn special fertilizer is prepared from 450 to 650 weight parts of urea, 150 to 300 weight parts of potassium chloride, 100 to 300 weight parts of monoammonium phosphate, 5 to 10 weight parts of fertilizer synergist, 2 to 40 weight parts of sodium silicate, 2 to 8 weight parts of sodium octaborate tetrahydrate and 2 to 12 weight parts of chelate zinc fertilizer which serve as raw materials through the granulation of the tower-type melt. The corn special fertilizer has the advantages of improving the yield and quality of corn, improving soil and soil fertility and reducing labor intensity along with comprehensive nutrition, high utilization rate and one-time fertilization.
Owner:STANLEY AGRI GRP CO LTD

Carbon coupled stable compound fertilizer and preparation method thereof

The invention relates to compound (mixed) fertilizers, in particular to a carbon coupled stable compound fertilizer and a preparation method thereof. The fertilizer is prepared from a nitrogen fertilizer (urea nitrogen fertilizer), a phosphorus fertilizer, a potassium fertilizer, biochemical inhibitors (namely a urase inhibitor and / or a nitrification inhibitor) and a carbon source. Urea serves asthe nitrogen fertilizer; the phosphorus fertilizer comprises calcium superphosphate and triple superphosphate; the potassium fertilizer comprises potassium chloride and potassium sulfate, and a weightpart ratio of the nitrogen fertilizer, the phosphorus fertilizer, the potassium fertilizer, the biochemical inhibitors and the carbon source is 1:(0.3-0.5):(0.8-1):(0.001-0.1):(0.1-0.3). By adding ofa certain quantity of the carbon source into the fertilizer, the nitrogen fertilizer release time is prolonged while the nitrogen fertilizer release rate is decreased, slow and steady fertilizer efficiency is realized, various nutrition demands of crops in different growth stages are met, contradiction between crop fertilizer demands and soil fertilizer supply is solved, greenhouse gas emission and nitrogen leaching are reduced, and the compound fertilizer is a novel carbon coupled stable compound fertilizer.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Method for clean production of bioorganic fertilizer by using attapulgite

The invention relates to a method for clean production of bioorganic fertilizer by using attapulgite. The bioorganic fertilizer comprises, by mass, 10-20 parts of attapulgite, 40-60 parts of cow dung, 15-30 parts of chicken manure, 10-20 parts of crop straws, 5-10 parts of plant ash, and 0.05-0.5 parts of a bioactive inoculant. The production method of the bioorganic fertilizer comprises the following steps: uniformly mixing the bioactive inoculant with a small amount of attapulgite, chicken manure and cow dung, carrying out spreading cultivation on the above obtained mixture, stacking the spreading cultivated material and remaining raw materials, controlling the water content and the carbon-to-nitrogen ratio, and carrying out high temperature aerobic fermentation to obtain the bioorganic fertilizer. The method has the advantages of simple process, obvious reduction of discharge of stink in the composting process, increase of the activity and the quantity of microbes, promotion of the fermentation process, increase of the decomposition degree of compost, and improvement of the soil structure, so the yield increase and the quality improvement of agricultural products are promoted, and the economy income of peasants is increased.
Owner:山东益源环保科技有限公司

Synergistic stable nitrogenous fertilizer and preparation method thereof

The invention relates to a synergistic stable nitrogen fertilizer and a preparation method thereof. The fertilizer comprises the following components: a nitrogen fertilizer, medium trace elements, a nitrogen regulating synergist (urease inhibitor and / or nitrification inhibitor) and a carbon source synergist, wherein the nitrogen fertilizer is urea, and the medium trace elements comprise calcium, magnesium, sulfur, boron, silicon, iron and zinc. The weight part ratio of the nitrogen fertilizer to the medium trace elements to the nitrogen regulating synergist to the carbon synergist is 1: 0.05-0.1: 0.001-0.1: 0.1-0.3. By adding a certain amount of the carbon synergist and the nitrogen regulating synergist into the fertilizer, the release time and rate of the nitrogen fertilizer can be regulated, the fertilizer efficiency is slow and stable, the fertilizer meets various nutritional requirements of crops in different growth periods, solves the contradiction between crop fertilizer requirement and soil fertilizer supply, reduces greenhouse gas emission and nitrogen leaching loss, and is a novel synergistic stable nitrogen fertilizer.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Special microbial fertilizer for radix angelicae sinensis and method for preparing special microbial fertilizer

The invention relates to the field of technologies for producing biological organic fertilizers, in particular to a special microbial fertilizer for radix angelicae sinensis and a method for preparing the special microbial fertilizer. The special microbial fertilizer comprises an organic fertilizer, weathered coal and organic carriers. The organic fertilizer is livestock excrement, and the organic carriers contain rape pseudomonas fermentation liquor and bacillus muralis fermentation liquor. The special microbial fertilizer particularly comprises, by weight, 50-80 parts of the livestock excrement, 20-60 parts of the weathered coal, 5-15 parts of the rape pseudomonas fermentation liquor and 5-15 parts of the bacillus muralis fermentation liquor. According to the technical scheme, the special microbial fertilizer and the method have the advantages that as shown by results of fertilizer efficiency comparative tests in places such as Weiyuan, Minxian and Longxi in the Gansu province over 3 years, obvious soil-borne disease resistance and yield increase effects are realized by the special microbial fertilizer which is applied to the radix angelicae sinensis, radix angelicae sinensis root rot prevention and treatment effects of the special microbial fertilizer are 45%-48%, and the yield increase is 12%-16%.
Owner:INST OF SOIL FERTILIZER & WATER SAVING AGRI GANSU ACAD OF AGRI SCI

Organic fertilizer and preparation method and application thereof

The invention relates to the technical field of preparation of organic fertilizers, and particularly discloses an organic fertilizer and a preparation method and application thereof. According to theorganic fertilizer and the preparation method, grape branches, fruit stems, peel dregs and sludge in wastewater of a wine factory are composted through a composite microorganism strain and through a manner of two times of fermentation to obtain the organic fertilizer. Environment pollution caused by branches, sludge and other wastes is solved, effective utilization of wastes is achieved, and the prepared organic fertilizer can increase organic matters in soil, improve physical and chemical properties of soil, is particularly suitable for use as an organic fertilizer in grape plantation, and isof great significance for reduction, recycling and reutilization in grape industry recycling economy.
Owner:COFCO HUAXIA GREAT WALL WINE

Lilium casa blanca culture medium prepared from sludge compost and preparation method of lilium casa blanca culture medium

The invention belongs to the technical field of landscape plant cultivation and provides a lilium casa blanca culture medium prepared from sludge compost and a preparation method of the lilium casa blanca culture medium. The medium is prepared by mixing turf soil, sludge mixed fertilizers, nursery garden soil and perlite according to a volume ratio of 1:3:5:2. The culture medium is extensive in raw material source, low in cost, high in nutrient content, reasonable in structure, convenient for lilium casa blanca to absorb and effective in promotion of lilium casa blanca growth and blossoming. By preparation of the culture medium from the sludge compost, turf soil consumption is reduced, non-renewable media are saved, urban sludge recycling is realized, environmental pollution is abated, andsocial benefits and economic benefits are achieved.
Owner:北京圣海林生态环境科技股份有限公司 +1

Bougainvillea speetabilis culture medium and preparation method thereof

The invention provides a bougainvillea speetabilis culture medium and a preparation method thereof, and belongs to the technical field of garden agriculture. The bougainvillea speetabilis culture medium comprises a first medium, a second medium and a third medium, wherein the first medium is prepared from the following raw materials in parts by weight: 30-60 parts of leaf mold, 8-18 parts of coal cinder, 1-10 parts of sawdust powder and 0-10 parts of peanut shells; the second medium is prepared from the following raw materials in parts by weight: 10-70 parts of plant ash, 1-10 parts of rooting powder and 0.1-2 parts of an anti-hardening agent; the third medium is prepared from the following raw materials in parts by weight: 40-60 parts of compost sludge and 10-20 parts of a multi-element composite water-soluble fertilizer. According to the bougainvillea speetabilis culture medium, a plurality of medium combinations are adopted on the soil matrix for matched planting, good growth conditions can be provided for bougainvillea speetabilis cultivation, and the cultivation survival rate and the overall effect of the bougainvillea speetabilis are increased.
Owner:GUANGDONG BAILIN GARDEN CONSTR CO LTD

Organic and inorganic compound fertilizer

The invention discloses an organic and inorganic compound fertilizer. The organic and inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 9-11 parts of pine needle powder, 25-28 parts of lard stearin, 23-24 parts of coco coir, 4-5 parts of wheat gluten, 14-16 parts of vinegar residues, 2.4-2.6 parts of ferric citrate, 4-6 parts of potassium carbonate, 16-18 parts of compost coarse particle, 22-25 parts of sunflower stalks, 1.3-1.5 parts of dodecyldimethyl betaine, 0.7-0.9 part of tween 80, 14-16 parts of bentonite, and a proper amount of water. The fertilizer is high in fertilizer efficiency and is rich in various microelements; inorganic fertilizers are reasonably added on the basis of a large number of organic matter raw materials such as the lard stearin, the coco coir and the wheat gluten, quick action of the inorganic fertilizers, long action of organic fertilizers, providing of plant nutrients and improvement of fertilized soil are combined organically, so that yield of crops is improved, quality of agricultural products is improved, and soil is optimized and improved.
Owner:ANHUI SUNSON CHEM

Organic nutritional energy element of nitrogen fertilizer

The invention provides an organic nutritional energy element of a nitrogen fertilizer and belongs to the field of fertilizers, aiming at solving the technical problem that the utilization rate of an existing nitrogen fertilizer is low. The organic nutritional energy element of the nitrogen fertilizer is prepared from the following components in parts by weight: nitrogen, phosphorus pentoxide, potassium oxide, magnesium oxide, copper, iron, manganese, zinc, boron, molybdenum and organic nutritional substances. The applying amount of the nitrogen fertilizer is reduced by about 20%, and the growth of plants can also be good; the yield of crops is increased, and the planting benefits are improved; the incomes of farmers are increased; and chemical fertilizer residues in soil, underground water, air pollution and agricultural products are reduced when a chemical fertilizer is applied. The product is a plant nutritional agent preparation formed by chelating plant microelements and organic matters; the combination of a nitrogen element and soil organic matters is accelerated by mainly reducing the loss of the nitrogen element; and efficient utilization of the nitrogen element is realized through a plurality of manners of improving the content of residual nitrogen in the soil, improving the activity of soil microorganisms, directly improving the utilization of the nitrogen element and the like.
Owner:哈尔滨地德生物科技有限公司

Efficient decomposing agent for reutilizing corn stalks

The invention discloses an efficient decomposing agent for reutilizing corn stalks. The efficient decomposing agent comprises, by weight, 0.2-0.8 part of plant growth promoting bacteria, 10-18 parts of a sucrose solution, 0.3-0.7 part of white rot fungi, 0.6-1.2 parts of Bacillus subtilis, 0.8-1.5 parts of Thermophilic sporotrichum, 0.3-0.7 part of Bacillus licheniformis, 0.5-1.5 parts of Azotobacter chroococcum, 0.2-0.7 part of cellulolytic enzyme and 0.7-1.5 parts of an Aspergillus niger agent. The decomposing agent and its fermentation technology thereof have the advantages of small nitrogen loss and non-pungent ammonia smell in a fermentation workshop; the pH value after fermentation ends is not more than 8.5; the fermentation temperature of the bottom layer of a compost in the fermentation process is high, and can reach 45 DEG C or above, and the highest temperature of the compost can reach 80 DEG C, so water evaporation is benefited, and the fertilizer drying speed is accelerated; the humus accumulation degree in the fermentation process is high, and the content of humic acid generally exceeds 15%; and an organic fertilizer produced by using the organic material decomposing agent is used in seed germination test, so the germination rate is high, and can reach 95%.
Owner:安徽上元家居材料股份有限公司

Heavy metal cadmium passivation repair slow-release urea fertilizer and preparation method thereof

The invention belongs to the field of soil and environment, and mainly relates to slow-release urea fertilizer comprising a heavy metal cadmium passivation agent and a preparation method. The fertilizer comprises urea, a biochemical inhibitor and a soil heavy metal cadmium passivation material according to a weight proportion of 1:0.001-0.1:0.05-0.5. The heavy metal cadmium passivation material comprises one or multiple of charcoal modified by hydrochloric acid, powdered rock phosphate modified by hydrochloric acid, sepiolite modified by hydrochloric acid and lime. Cadmium in medium-mild cadmium contaminated soil can be controlled within a reasonable range by applying the fertilizer for several times, so that cadmium absorbed by crops can be reduced, accumulative-state cadmium of the cropscan be reduced, and intake of cadmium content by people can be reduced; crop yield can be increased, and economic benefit can be increased.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Preparation method of urea melt absorption-release synchronous nitrogen fertilizer

The invention provides a preparation method of a urea melt absorption-release synchronous nitrogen fertilizer. The method comprises the following steps: formaldehyde and urea are used to melt, a flowmeter is used for metering, then a high pressure sprayer is used to spray the molten urea solution into a drum granulator and perform liquid drum granulation on the preheated and ground quick-acting nitrogen fertilizer and solid control agent, and the absorption-release synchronous nitrogen fertilizer is formed after drying, cooling and screening. By adopting the fertilizer, the nitrogen release rate is basically synchronous to the nitrogen absorption rate in each stage of the whole growing process of the crop, the utilization rate is up to 65%-80%, more than 90% of nitrogen which is not absorbed can not be lost, the soil environment can be protected and the biochemical characters of soil environments and soil can be protected; and the fertilizer has the function of preserving nutrient and water. The technology of the invention is easy to improve and convenient to operate.
Owner:安徽省天享肥业有限责任公司

Synergistic stable compound fertilizer and preparation method thereof

The invention relates to a synergistic stable compound fertilizer and a preparation method thereof. The fertilizer comprises the following components: nitrogen fertilizer, phosphate fertilizer, potashfertilizer, medium trace elements, a nitrogen regulating synergist (urease inhibitor and / or nitrification inhibitor) and a carbon source synergist, wherein the nitrogen fertilizer is urea, the phosphate fertilizer comprises calcium superphosphate and triple superphosphate, the potash fertilizer comprises potassium chloride and potassium sulfate, the medium trace elements comprise calcium, magnesium, sulfur, boron, silicon, iron and zinc, and the weight part ratio of the nitrogen fertilizer to the phosphate fertilizer to the potash fertilizer to the medium trace elements to the nitrogen regulating synergist to the carbon synergist is 1: 0.3-0.5: 0.8-1: 0.05-0.1: 0.001-0.1: 0.1-0.3. By adding a certain amount of the carbon synergist and the nitrogen regulating synergist into the fertilizer,the release time and the release rate of the nitrogen fertilizer are regulated, and various nutritional requirements of crops in different growth periods are met. Greenhouse gas emission and nitrogenleaching loss are reduced, and the compound fertilizer is a novel synergistic stable compound fertilizer.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Preparation method of urea melt absorption synchronous compound fertilizer

The invention provides a preparation method of a urea melt absorption synchronous compound fertilizer. The preparation method comprises the following steps: melting long-acting urea, metering with a meter, using a high pressure sprayer to spray the molten urea solution on quick-acting nitrogen fertilizer, quick-acting phosphate fertilizer, quick-acting potassic fertilizer and solid control agent which are preheated and ground by a drum granulator to perform liquid-phase drum granulation, drying, cooling and screening to obtain a semi-finished product; and then fully mixing the semi-finished product with the cooled and granulated long-acting phosphate fertilizer and long-acting potassic fertilizer to prepare the compound fertilizer. By adopting the compound fertilizer, the nutrient releaserate is basically synchronous to the nutrient absorption rate of each stage of the whole growing process of crops, the utilization rate is 60%-75%, more than 90% of nutrients which are not absorbed cannot be prevent from being lost, the soil environment can be protected and the biochemical characters of soil can be protected; and the compound fertilizer has the function of preserving nutrient andwater. The technology of the invention is easy to improve and convenient to operate.
Owner:安徽省天享肥业有限责任公司

Special organic fertilizer for tea trees

The invention discloses special organic fertilizer for tea trees. The special organic fertilizer is prepared from raw materials in parts by weight as follows: 33-35 parts of pomace, 24-26 parts of sweet potato powder residues, 8-11 parts of reed, 4-5 parts of dextrin, 8-10 parts of lobster powder, 7-8 parts of ammonium chloride, 4-5 parts of potassium phosphate, 25-26 parts of coarse compost particles, 29-31 parts of sunflower stalk, 1.2-1.5 parts of dodecyl dimethyl betaine, 0.8-1.0 parts of tween 80, 19-20 parts of bentonite and an appropriate amount of water. The special organic fertilizer is prepared from the raw materials according to nutrient absorption features of the tea trees and integrates advantages of long effective period of organic fertilizer and rapid and high fertilizer efficiency of inorganic fertilizer, and meanwhile, the fertilizer prepared from a biochar framework is compact in grain shape, can be applied to a tea garden conveniently and cleanly, provides nutrient supply stably for a long time while improving soil structure and optimizing the growing environment of the tea trees, thereby overcoming defects of high time consumption and labor consumption for application of farm manure, increasing tea yield and improving tea quality.
Owner:安徽新视野园林绿化工程有限公司

Method for controlling pH value of rice field and improving nitrogen fertilizer utilization rate of rice field by using duckweed

The invention discloses a method for controlling the pH value of a rice field and improving the nitrogen fertilizer utilization rate of the rice field through duckweed in the field of agricultural production. The method comprises the following steps that 1, duckweed introduction is conducted, and duckweed is introduced in the seedling stage; (2) the duckweed is accompanied, growth of the duckweed is promoted or inhibited in the growth period, the duckweed is just fully distributed on the water surface, the total thickness of floating duckweed leaves is 1-3 mm, about 2-4 layers of duckweed are overlapped, and the dry weight of the duckweed is 20 + / -10 g / m < 2 > at the moment, the problems that an existing rice field is unstable in pH value and low in nitrogen fertilizer utilization rate are solved, the nitrogen fertilizer utilization rate of the rice field is increased, and the method can be used for rice planting.
Owner:YANGZHOU UNIV

Seaweed organic fertilizer

The invention discloses a seaweed organic fertilizer, which is prepared from the following raw materials (by weight): 54-56 parts of seaweed slag, 22-24 parts of activated sludge, 10-11 parts of peanut meal, 4-5 parts of sodium carboxymethyl starch, 8-10 parts of peat powder, 3-4 parts of sodium dihydrogen phosphate, 7-9 parts of potassium chloride, 35-37 parts of compost coarse particle, 40-44 parts of sunflower straw, 2.5-2.8 parts of dodecyl dimethyl betaine, 1.8-2.2 parts of Tween 80, 14-16 parts of bentonite and a proper amount of water. according to the organic fertilizer, seaweed slag obtained after processing of seaweed is used as the main raw material, and the seaweed slag and other raw materials such as activated sludge, etc. are fermented. Thus, secondary utilization of waste resources is realized. In cooperation with raw materials such as peat powder, potassium chloride, etc., nutrient content of the fertilizer is enriched. Natural active components such as lots of phytohormone in the seaweed fermented product also can promote growth of plant root system and leaf stems and enhance stress resistance of plants.
Owner:寿县知祝常乐水果种植专业合作社

Method for increasing humic acid content of organic solid waste compost by using sustainable catalytic material

The invention provides a method for increasing the humic acid content of organic solid waste compost by using a sustainable catalytic material, and belongs to the technical field of solid waste treatment and recycling. The method comprises the following steps: crushing organic solid wastes, and adjusting the carbon-nitrogen ratio and the water content; composting the compost raw material, and adding a catalytic material to obtain a compost product, wherein the catalytic material comprises manganese dioxide, ferrous oxide, biochar, modified biochar and / or a manganese dioxide and biochar combined modified material. The catalytic material has the effect of catalyzing humic acid precursor compounds including polyphenols, quinones, organic acids and other small molecular compounds to form humic acid through chemical reaction condensation, so that the content of humic acid in compost fermentation is increased. The catalytic material is further fired and molded for composting, so that the humic acid content is favorably improved, and the cyclic utilization of the catalytic material is realized.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Summer black grape special fertilizer with high phosphorus release rate

The invention discloses summer black grape special fertilizer with a high phosphorous release rate, and relates to the technical field of fertilizer. The summer black grape special fertilizer is prepared from the following raw materials, in parts by weight: 30-40 parts of ammonium chloride, 20-30 parts of monoammonium phosphate, 17-25 parts of modified phosphate rock powder with a high phosphorousrelease rate, 18-25 parts of potassium chloride, 150-180 parts of decomposed farm manure, 2-4 parts of silicon fertilizer, 3-5 parts of eggshell, 3-5 parts of bone meal, 0.2-0.5 part of nitrificationinhibitor, 0.2-0.4 part of zinc sulfate, 0.2-0.4 part of EDTA (ethylene diamine tetraacetic acid) chelated iron, 0.1-0.3 part of EDTA chelated manganese, 0.1-0.3 part of sodium selenite, 0.5-1 part of sodium borate and 3-7 parts of soil conditioner. The summer black grape special fertilizer uses the modified phosphate rock powder with the high phosphorous release rate and monoammonium phosphate cooperatively, the fertilizer effect is durable and stable, the utilization rate of phosphorus is improved, the ratio of organic and inorganic nutrients in the special fertilizer is reasonable, and thespecial fertilizer can ensure the demands for normal growing and fruiting of summer black grape plants in different stages, and has the outstanding effect on improving the yield and the quality of summer black grapes.
Owner:来安县金桃生态农业有限公司

Mineral organic fertilizer

The invention discloses a mineral organic fertilizer. The mineral organic fertilizer is prepared from the following raw materials in parts by weight: 34 to 36 parts of grain residues, 8 to 10 parts of alcohol waste mash, 16 to 18 parts of plant ash, 2 to 3 parts of zinc lignosulfonate, 6 to 7 parts of monosodium glutamate residues, 15 to 17 parts of tea seed cakes, 3.3 to 3.5 parts of diaminoferric xanthohumate, 4 to 5 parts of borax, 20 to 22 parts of compost coarse particles, 24 to 25 parts of sunflower straw, 1.9 to 2.1 parts of dodecyl dimethyl betaine, 1.3 to 1.5 parts of Tween 80, 17 to 18 parts of kaolin and an appropriate amount of water. According to the invention, the organic fertilizer is added with a large amount of mineral raw materials of the zinc lignosulfonate, diaminoferric xanthohumate, borax and the like based on the conventional organic fertilizer, so that the advantages of the organic fertilizer of long fertilizer efficiency and soil improvement are kept, and a large number of mineral elements are added to ensure nutritional requirements of all aspects of plants, thereby having obvious promoting effects all on the growth of plant roots, stems, leaves and the like.
Owner:安徽新视野园林绿化工程有限公司

Method for promoting maturing process of aerobic compost and improving compost quality

The invention discloses a method for promoting the aerobic composting maturing process and improving the composting quality, which comprises the following steps: performing aerobic composting fermentation maturing on a mixture of an organic material and maturing-promoting mineral particles, the maturing-promoting mineral particles comprise mineral particles separated from coal or coal gangue before combustion or chemical conversion, the chemical conversion comprises coal pyrolysis, coal gasification, coal liquefaction, coal dry distillation or coal coking. The method provided by the invention can promote the aerobic composting process and improve the composting quality.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

High-efficiency composting microbial inoculum based on gradient conversion of human excrement PPLC from organic matters as well as preparation method and application of high-efficiency composting microbial inoculum

The invention relates to a high-efficiency composting microbial inoculum based on gradient conversion of organic matters into human excrement PPLC as well as a preparation method and application thereof, and belongs to the technical field of excrement composting treatment. The problems that an existing fungicide is low in human excrement treatment speed, large in nitrogen loss and the like are solved. The method comprises the following steps: mixing a mixed microorganism bacterium solution consisting of bacillus altitudinis, bacillus halotolerant, bacillus methylotrophicus, azotobacter chroococcum, bacillus cereus, candida utilis and bacillus amyloliquefaciens with an immobilized carrier to prepare the immobilized microbial agent which can be applied to treatment of human excrement in the latrine; and the main components such as protein, soluble polysaccharide, grease, cellulose and the like are converted in a gradient manner. The efficient composting microbial inoculum obtained by the invention is used for degrading human excrement, so that the content of COD (Chemical Oxygen Demand) and ammonia nitrogen in the excrement can be reduced, the loss of nitrogen in the composting process of the human excrement is reduced, the temperature rise stage of composting can be quickly reached, the composting process of the excrement is accelerated, the composting time is shortened, and the resourceful treatment of the human excrement is realized.
Owner:HARBIN INST OF TECH
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