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488results about "Superphosphates" patented technology

Method for preparing soil conditioner based on infrared activation of coal gangue

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

Leymus chinensis planting method for salinized sand land

The invention relates to the technical field of leymus chinensis planting, in particular to a method for planting leymus chinensis in a salinized sand land, which is used for interplanting mousse winterplant in an oat land. The row spacing is 80 cm, the sowing depth is 1-1.5 cm, the sowing amount is 0.5 kg / mu, sowing is carried out in line, and 27.8 kg / mu urea (N is greater than or equal to 46%) is applied as a base fertilizer. Timely irrigation. The fertilizer is applied once in spring every year. A test nitrogen fertilizer is urea (N > = 46%), a phosphate fertilizer is triple superphosphate (P2O5 > = 44%), a potash fertilizer is potassium sulfate (K2O > = 52%), and timely irrigation is carried out. According to the invention, not only is a proper fertilizer combination provided, but also the growth, development and asexual reproduction capabilities of leymus chinensis are greatly improved. The planting effect of leymus chinensis can be effectively improved, the yield and quality of leymus chinensis are improved, and good practicability is achieved. Meanwhile, the formula is economical and reasonable, and is easy to popularize and apply.
Owner:LANZHOU UNIV +2

Slow-release phosphate fertilizer as well as preparation method and application thereof

The invention discloses a slow-release phosphate fertilizer as well as a preparation method and application thereof. Iron-phosphorus compound fertilizer is prepared by generating an iron oxide coating on the surface of the phosphate fertilizer through iron mineral precipitation. Wherein the iron oxide coating can prevent the phosphate fertilizer from absorbing moisture, reduce volatilization loss of phosphorus and realize controlled release of the phosphate fertilizer, the problems of phosphate fertilizer failure and excessive phosphorus loss are solved, and in addition, the coated iron ore used for synthesizing the compound fertilizer can supplement trace element iron in soil after being dissolved, so that the nutrition of the soil is improved. The invention further provides application of the slow-release phosphate fertilizer, along with dynamic changes of soil environment humidity and oxidation-reduction conditions, ferrous oxidation mineralization and phosphorus dissolution release on the surface of the controlled-release fertilizer have high controllability, the anaerobic-aerobic environment on the surface of the compound fertilizer can be changed through flooding-drainage, and the controlled-release intelligent phosphate fertilizer is formed; the controlled-release fertilizer is driven by water, the form change of iron in different environments is taken as a switch, the application method is simple, no influence is caused to the environment, and the controlled-release fertilizer is suitable for large-scale agricultural operation.
Owner:GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI

Rice straw returning method for improving soil fertility

The invention relates to the technical field of crop straw treatment and soil improvement, in particular to a rice straw returning method for improving soil fertility, which mainly comprises the following steps: crushing rice straws, soaking with a sodium hydroxide solution, and drying; then selecting specific strains, mixing and fermenting to prepare a microbial agent; preparing a composite additive in proportion; within 1-2 days after the rice is harvested, the pretreated straw, the microbial agent and the composite additive are applied to the field, deep ploughing is conducted, and irrigation is conducted; and finally, performing rotary tillage and soil preparation after straw decomposition, and monitoring and adjusting the pH value of the soil when next-stubble crops are planted. According to the method, straw is pretreated, lignin is destroyed through a sodium hydroxide solution, the particle size is accurately controlled, drying is conducted in cooperation, the microbial decomposition efficiency is improved, straw and soil are fully mixed through accurate ploughing in the field, decomposition is accelerated into nutrients, the straw can be powerfully decomposed through a microbial agent, and the soil micro-ecology is improved; the composite additive supplements various nutrients and enhances the water and fertilizer retention capability of soil.
Owner:XINGAN LEAGUE AGRI & ANIMAL HUSBANDRY RES INST

Slow-release coated fertilizer and preparation method thereof

The invention relates to the technical field of fertilizers, and discloses a slow-release coated fertilizer and a preparation method thereof. Comprising the following raw materials in parts by weight: 57 to 77.6 parts of urea, 14.25 to 24.25 parts of diammonium phosphate, 0 to 5 parts of calcium superphosphate, 4.75 to 14.55 parts of potassium chloride, 0.03 to 0.2 part of chitosan, 0.0075 to 0.05 part of nano silicon dioxide, 0.001 to 0.015 part of glutaraldehyde, 2.96 to 4.94 parts of deionized water, 0.01 to 0.1 part of bacillus subtilis, 0.05 to 0.2 part of mesoporous silicon dioxide loaded nano selenium and 0.5 to 1 part of potassium fulvate. Chitosan, nano silicon dioxide and glutaraldehyde are matched with one another, and chitosan has pH responsiveness, so that the problems that a coating layer of a traditional slow-release fertilizer is prone to being affected by the environment and broken in advance, nutrients are rapidly released, and the slow-release effect is reduced are solved.
Owner:SHANDONG QISHANG CENTURY BIOTECHNOLOGY CO LTD

Fertilizer for preventing rice sheath blight disease

PendingCN119285412AReduce the incidence of sheath blightreduce incidenceSuperphosphatesMagnesium fertilisersBiotechnologyMicrobial agent
The invention relates to the technical field of fertilizers, and discloses a rice sheath blight disease prevention fertilizer, which comprises a fertilizer, medium trace elements, an adhesion functional carrier, a functional additive, and a microbial agent or a bactericide, the fertilizer comprises a nitrogen-phosphorus-potassium compound fertilizer, an original fertilizer, calcium superphosphate and ammonium sulfate, wherein the original fertilizer comprises decomposed livestock and poultry manure, crop straw compost, bean cakes and rape seed cakes; the medium trace elements comprise boric acid, copper sulfate and borax; the microbial agent comprises a bacillus subtilis microbial agent and a trichoderma harzianum microbial agent; the bactericide comprises validamycin wettable powder, a thifluzamide suspending agent and a tebuconazole emulsion in water. Through the components of the fertilizer, the occurrence rate of rice sheath blight disease can be remarkably reduced, the yield and quality of rice can be improved, the microbial agent can increase the number and activity of beneficial microorganisms in soil, the soil structure and fertility are improved, and the yield and quality of rice are improved. A good soil condition is created for rice growth, so that the rice has a better resistance effect.
Owner:INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI +1

Preparation method of trace element fertilizer containing fullerene

The invention provides a preparation method of a micronutrient fertilizer containing fullerene, and relates to the technical field of micronutrient fertilizers, the preparation method of the micronutrient fertilizer containing fullerene comprises the following steps: spraying a nano molybdenum disulfide / fullerene suspension on the micronutrient fertilizer to obtain the micronutrient fertilizer containing fullerene after spraying, the prepared fertilizer has good stability, dispersibility and absorption efficiency, can improve the soil pH value, the soil salinity content and the soil organic matter content, can increase the yield of corn, increases the plant height, and shortens the maturation time at the same time.
Owner:ZHONGYAN RUIKE TECH (BEIJING) CO LTD

Soil biological improver and preparation method thereof

The invention relates to the technical field of mixed fertilizer manufacturing, in particular to a biological soil conditioner and a preparation method thereof.The biological soil conditioner is prepared from organic materials, microbial agents, inorganic fertilizer and other additives, according to a formula, the soil biological improver is prepared from preparation raw materials of the soil biological improver, and the formula comprises the following components in parts by mass: M1, M1 is a first preset mass part, and M1 is set to be 57 parts; the mass part of the microbial agent is M2, M2 is a second preset mass part, and M2 is set to be 8 parts; the mass part of the inorganic fertilizer is M3, M3 is a third preset mass part, and M3 is set to be 15 parts; the mass part of other additives is M4, M4 is a fourth preset mass part, and M4 is set to be 20 parts. Local materials can be used according to soil characteristics of the high-altitude area, the soil structure of the high-altitude area is improved, fertility is improved, plant growth is promoted, and soil ecological balance is maintained.
Owner:BEIJING PANBAO BIOTECHNOLOGY GRP CO LTD

Microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and preparation method of microbial agent type bio-organic fertilizer

The invention provides a microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and a preparation method of the microbial agent type bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening comprises the following raw materials: an organic material, a microbial agent, an inorganic nutritional ingredient, vinasse and an additive, wherein the organic material is composed of livestock and poultry manure, crop straw, tobacco waste and a fermentation inoculant; the additive is prepared from humic acid, seaweed extract and amino acid. The organic fertilizer contains rich organic materials and humic acid, the content of organic matters in soil can be increased, the granular structure of the soil can be improved, the growth of soil-borne pathogenic bacteria can be inhibited by the added multiple beneficial microorganisms, the micro-ecological environment of the soil can be improved by the photosynthetic bacteria, and the incidence rate of diseases such as tobacco black shank and bacterial wilt can be reduced.
Owner:HENAN AGRICULTURAL UNIVERSITY

Special fertilizer for highland barley in Tibetan high-altitude area and preparation method of special fertilizer

The invention provides a special fertilizer for highland barley in Tibet high-altitude areas, which specifically comprises a matrix, a base fertilizer, an organic fertilizer, a trace element fertilizer, a modifier and a nutritional agent in a mass ratio of 100: 50: 100: 1: 15: 3, the substrate comprises loam, river sand and bentonite; the base fertilizer comprises nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer; the organic fertilizer comprises bran, decomposed straw, decomposed excrement, plant ash and aquatic animal powder; the modifier comprises wormcast, silkworm excrement, perlite and vermiculite; the nutritional agent comprises compound vitamins, glucose, honey and compound amino acids; the raw materials used in the method are green, safe and pollution-free, the soil structure is improved while nutrient substances needed by highland barley growth are provided, the bran, the straw, the decomposed excrement and other agricultural wastes are used, cost is saved, efficiency is improved, and the utilization rate of resources is increased.
Owner:AGRI RES INST TIBET ACADEMY OF AGRI & ANIMAL HUSBANDRY SCI

Slow-release fertilizer for saline-alkali soil and preparation method of slow-release fertilizer

The invention provides a slow-release fertilizer for saline-alkali soil and a preparation method thereof, and the slow-release fertilizer comprises a granular core which is formed by co-granulation of a basic fertilizer composition and charcoal powder; the first coating layer is formed on the surface of the granular core by a mixture consisting of gamma-polyglutamic acid or a derivative thereof and sodium alginate; the second coating layer is formed on the surface of the first coating layer by sulfur; and the third coating layer is formed on the surface of the second coating layer by an anti-blocking agent. The slow-release fertilizer for the saline-alkali soil is strong in functionality and good in slow-release effect, improves the granular structure of soil, improves the utilization rate of water and fertilizer, synergistically reduces the pH of the saline-alkali soil, increases the content of nutrients and organic matters in the soil, promotes the growth and development of plants, and improves the micro-ecology of the soil.
Owner:SHANGHAI ACAD OF AGRI SCI

Environment-friendly bio-organic fertilizer for improving acidified soil and preparation method of environment-friendly bio-organic fertilizer

The invention discloses an environment-friendly bio-organic fertilizer for improving acidified soil and a preparation method of the environment-friendly bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The bio-organic fertilizer is prepared from the following raw materials in parts by weight: 10-20 parts of a composite gel material, 80-100 parts of decomposed livestock and poultry manure, 10-20 parts of a microbial agent, 30-50 parts of modified waste tea biochar, 10-15 parts of urea, 5-10 parts of humic acid, 1-5 parts of calcium superphosphate and 1-5 parts of sodium carboxymethyl cellulose, the microbial agent is prepared by mixing bacillus pseudofirmus, pseudomonas oryzae and azotobacter beijerinckii according to the volume ratio of 1: 1: 1. The bio-organic fertilizer can remarkably improve the pH of soil and increase the content of organic matters in the soil, has good buffering capacity and long-term effect, enhances the water and fertilizer retention capacity of the soil, and has a remarkable effect of increasing both production and income of crops.
Owner:LINYI ACADEMY OF AGRI SCI

Method for preparing biological organic fertilizer by utilizing plant straw fermentation

The invention provides a method for preparing a biological organic fertilizer through plant straw fermentation, and belongs to the technical field of organic fertilizers. The method comprises the steps of plant straw pretreatment, fermentation solid preparation, bacteriostatic active ingredient preparation, functional additive preparation and fermentation. The fermentation comprises the following steps: stacking pretreated plant straws, fermentation solids and a functional additive for fermentation, carrying out first turning when the temperature in a pile reaches 52-56 DEG C, turning once every 18-21 hours, stopping turning after turning twice, standing until the temperature in the pile is reduced to 30-34 DEG C, adding fulvic acid, diammonium phosphate, ammonium chloride, calcium superphosphate and magnesium sulfate, uniformly mixing, and fermenting again, turning the pile once every 15-17h, and after turning the pile twice in total, finishing fermentation, and granulating and drying to obtain the biological organic fertilizer. The biological organic fertilizer prepared by the method disclosed by the invention is low in harmful pathogen content, short in fermentation period, stable in effect and excellent in application effect.
Owner:山东泰昌生物科技有限公司

Construction method and application of rhizosphere suitable microdomain of corn in saline-alkali soil

The invention discloses a saline-alkali soil corn rhizosphere suitable micro-domain construction method and application, and relates to the field of saline-alkali soil crop rhizosphere soil environment optimizing.According to saline-alkali soil corn rhizosphere suitable micro-domain construction, a straw interlayer, a fertile plough layer and a cultivation layer are arranged in a cultivated land salinization soil layer, so that saline-alkali soil structure optimization can be achieved; meanwhile, reduction of saline-alkali salt of cultivated land is accelerated, salt resistance of surface soil is inhibited, and suitable microdomain construction of corn rhizosphere and high yield of corn cultivation are achieved. Practice shows that the construction method of the corn rhizosphere suitable microdomain can optimize the soil structure and environment of the saline-alkali cultivated land and promote the construction of a good rhizosphere environment of the corn. The invention provides a saline-alkali soil corn rhizosphere suitable micro-domain structure, which comprises a straw interlayer, a fertile plough layer and a cultivation layer, and can promote saline-alkali soil corn rhizosphere suitable micro-domain salt inhibition, prevent salt return, promote saline-alkali soil soil structure and fertility optimization, and realize saline-alkali soil corn high-yield cultivation.
Owner:SHANDONG ACADEMY OF AGRICULTURAL SCIENCES

Special fertilizer for disease-resistant crops and preparation method thereof

The invention relates to the field of fertilizers, in particular to a special fertilizer for disease-resistant crops and a preparation method thereof.The special fertilizer comprises a nutrient core, a microbial agent coating and a medium trace element coating from inside to outside; the nutrient core comprises the following components in parts by weight: 35-40 parts of a nitrogen fertilizer, 20-25 parts of a phosphate fertilizer, 15-20 parts of a potassium fertilizer, 3-5 parts of a synergist and 1-1.5 parts of molasses; the microbial agent coating layer comprises 1-2 parts of a liquid microbial solution, 1-2 parts of a microbial protective agent and 3-5 parts of a microbial agent carrier; the medium trace element coating layer comprises 5-10 parts of a medium trace element fertilizer and 0.8-1.6 parts of a coating agent. According to the disease-resistant crop special fertilizer provided by the invention, the medium trace elements are added in an external wrapping manner, so that the condition that the effectiveness of nutritional ingredients is reduced due to chemical reaction between metal cations of the medium trace elements and phosphate ions in a phosphate fertilizer in a fertilizer production process is avoided.
Owner:XINYANGFENG AGRI TECH CO LTD

Biofertilizer granule

Biofertilizer granule comprising a core and a coating, said core comprises at least one fertilizer chosen in the group comprising NPK fertilizer, monoammonium phosphate (MAP), diammonium phosphate (DAP), potassium sulphate (SOP), single super phosphate (SSP), triple super phosphate (TSP), frass from insects, frass from fish or shellfish, and their mixture, said coating comprises at least a binding agent and a soil activator composition having an extended shelf-life duration.
Owner:EARTH ALIVE CLEAN TECH

Process for purifying a phosphorus-containing source

PCT designated stage expiredWO2025132912A1SuperphosphatesFertiliser forms
A process for purifying a phosphorus-containing source, comprising the following steps: a) At a temperature lower than 100°C for a duration lower than 180 minutes, reacting at least one phosphorus-containing source which comprises metallic trace elements and at least 5 wt.% and at most 50 wt.% of phosphorus expressed as P2O5 equivalent with at least one mineral acid leading to a digested suspension comprising said metallic trace elements in a liquid phase, and a solid phase mainly comprising phosphorus-containing compounds, wherein the reaction is performed at a molar ratio H+ / P2O5 comprised between 0.05 and 5, b) Separating said liquid phase from said digested suspension.
Owner:PRAYON SA

Organic-inorganic-microbial composite water and fertilizer retention soil conditioner and preparation method thereof

The invention provides an organic-inorganic-microbial composite water and fertilizer retention soil conditioner and a preparation method thereof. The organic-inorganic-microbial composite water and fertilizer retention soil conditioner comprises an organic material, a microbial agent and composite phosphate fertilizer slow-release carboxylated modified hydrogel microbeads (inorganic material), the compound phosphate fertilizer slow-release carboxylated modified hydrogel microbeads are mixed with organic materials such as humic acid and a microbial agent, so that the phosphorus slow-release effect and the soil water absorption and retention effect are further improved, and the compound phosphate fertilizer slow-release hydrogel microbeads have high water absorption and retention and fertilizer slow-release functions, can effectively improve soil, increase the soil water retention and phosphate fertilizer effectiveness, improve the enzyme activity of the soil and improve the fertilizer utilization rate. Soil moisture and fertility loss is reduced; the raw materials are wide in source, low in cost, safe and harmless, the preparation process is simple, and the prepared soil conditioner is harmless to the soil environment, has high water absorption and water retention and a fertilizer slow release function, can effectively improve soil and can be used for enhancing the water retention and physicochemical properties of the soil.
Owner:WUHAN INST OF TECH

Soil conditioner suitable for acid yellow soil as well as preparation method and application of soil conditioner

The invention provides a soil conditioner suitable for acid yellow soil, and belongs to the technical field of soil improvement. The soil conditioner is prepared from the following raw materials in parts by weight: 10 to 30 parts of straw charcoal, 20 to 40 parts of organic fertilizer, 5 to 15 parts of dolomite, 5 to 15 parts of kaolinite, 10 to 15 parts of calcium superphosphate, 5 to 15 parts of zeolite, 5 to 10 parts of fulvic acid, 3 to 8 parts of microbial fertilizer and 10 to 20 parts of wormcast. All the components have a synergistic effect and jointly improve the soil quality of the acid yellow soil, a good soil condition is provided for growth of crops, the acid yellow soil environment is effectively improved, and the yield and quality of the crops are improved.
Owner:NORTHWEST A & F UNIV

Spherical micron phosphate fertilizer with high fertilizer efficiency and preparation method thereof

The invention relates to a spherical micron phosphate fertilizer with high fertilizer efficiency and a preparation method thereof. The preparation method of the spherical micron phosphate fertilizer with high fertilizer efficiency comprises the following steps: reacting a crystal form control agent and monocalcium phosphate in water for at least 12 hours, and performing spray drying through a spray dryer to obtain the spherical micron phosphate fertilizer. According to the spherical micron phosphate fertilizer with high fertilizer efficiency and the preparation method thereof, the preparation method is simple, the cost is low, the reaction conditions are mild, and the prepared spherical micron phosphate fertilizer is small in size and high in fertilizer efficiency.
Owner:SHIHEZI UNIVERSITY

Preparation and application of biological carbon type phosphate fertilizer synergist suitable for flue-cured tobacco

The invention discloses preparation and application of a biological carbon type phosphate fertilizer synergist suitable for flue-cured tobacco, and relates to the technical field of phosphate fertilizer synergists. Comprising the following steps: step 1, preparing raw materials; 2, raw material treatment; and step 3, mixing and reacting: by taking the charcoal and the humic acid as main raw materials, the content of available phosphorus in soil can be increased, absorption and utilization of tobacco to calcium superphosphate and diammonium phosphate are increased, growth and development of the tobacco are promoted, the fresh weight of the tobacco leaves is increased, and the phosphorus accumulation amount of the tobacco is increased. According to the preparation and application of the biological carbon type phosphate fertilizer synergist suitable for flue-cured tobacco, the fixing agent, the water-retaining agent and the microbial agent are added into the biological carbon source to form the phosphate fertilizer synergist, the water-retaining agent can prevent water loss in soil, and the fixing agent can prevent phosphorus loss in the soil; and a mixture of compound sodium nitrophenolate and high-purity alpha-pimacol is added, so that the permeation, adhesion and spreading force of the fertilizer are increased, the limitation of plants is broken, and the capability of the fertilizer entering the plants is enhanced.
Owner:CROP RES INST GUANGDONG ACAD OF AGRI SCI +1

Method for improving yield and quality of lilies and soil conditioner used by same

The invention provides a method for improving the yield and quality of lilies and a soil conditioner used by the method, and belongs to the technical field of agricultural planting. The invention provides a method for improving the yield and quality of lilies, which comprises the following steps: (1) putting third-generation bulbs of lilies in an incubator, freezing and storing, then carrying out vernalization treatment, and soaking with a comprehensive seed treatment solution before seeding; (2) deeply turning and drying the planting land, spreading a novel charcoal soil conditioner as a base fertilizer, and drying in the sun; the novel biochar soil conditioner comprises biochar, water and a localized functional microbial agent, (3) before seeding, spreading a novel straw compound microorganism fertilizer; (4) ditching and seeding, covering soil, clearing moisture, ridging, and watering root fixing water. The method can control soil-borne diseases of the lily bulbs, meet diversified nutrient requirements of the lily, and ensure sufficient nutrient supply in the whole growth period of the lily, so that the growth of the lily is effectively promoted, and the yield and quality of the lily are improved.
Owner:KUNMING UNIVERSITY +4

Planting method for interplanting rhizoma bletillae in macadamia nut garden

The invention provides a planting method for interplanting rhizoma bletillae in a macadamia nut garden, and belongs to the field of macadamia nut planting. Compared with macadamia nut trees without interplanting the rhizoma bletillae, the method for interplanting the rhizoma bletillae and the macadamia nut trees in the garden has the advantages that the growth amount of the macadamia nut trees is increased, and the growth amount difference in the aspects of tree height, diameter thickness and crown breadth is obvious because the macadamia nut trees absorb nutrition and moisture while the rhizoma bletillae is fertilized and watered, so that the yield of the macadamia nut trees is increased, and the yield of the macadamia nut trees is increased. They belong to a mutual promotion relationship. Meanwhile, the macadamia nuts and the rhizoma bletillae are interplanted, so that the output value per mu is increased.
Owner:PUER INST OF FORESTRY SCI

Elodea nuttallii transplanting and maintaining method for breeding procambarus clarkii in rice field

The invention discloses an Elodea nuttallii transplanting and maintaining method for breeding procambarus clarkia in a rice field in the technical field of aquaculture, and relates to six links of rice field transformation and treatment, shallow trench digging and base fertilizer application, Elodea nuttallii transplanting, Elodea nuttallii topdressing, Elodea nuttallii maintaining and water quality regulation and control. The method comprises the following steps: applying a fertilizer A according to the amount of 5-10 kg / mu for topdressing, applying a fertilizer B according to the amount of 4-8 kg / mu in March-April, putting duckweed on the water surface in a high-temperature season in May and in a rooting stage and a flowering stage of elodea nuttallii, controlling the putting area of the duckweed to be 50 + / -5% of the area of a culture water body, and applying a fertilizer C according to the amount of 4-8 kg / mu. The root growth and development of the elodea nuttallii are promoted. By means of the waterweed transplanting and maintaining method for breeding the procambarus clarkii in the rice field, the waterweed can still keep vigorous vitality in the middle ten days of July, and the requirement for the breeding environment of the procambarus clarkii in the high-temperature summer season is met.
Owner:FISHERIES RES INST ANHUI ACAD OF AGRI SCI

Livestock manure composting device and method

The invention discloses a livestock manure composting device and a livestock manure composting method, and belongs to the field of manure composting treatment. The livestock manure composting device comprises a composting box, the top of the composting box is provided with a feeding port, the side edge of the composting box is provided with a waste liquid pool for receiving fermentation liquid, the side edge of the composting box is provided with a discharging door, and the top of the composting box is provided with a linkage assembly; the linkage assembly is used as a core, linkage control over the surface layer mixing assembly, the lifting assembly and the bottom layer mixing assembly is achieved through different transformation cooperation of the linkage assembly, different fertilizer turning effects can be selected according to livestock manure composting time, and compared with a traditional mode that manual turning or direct composting stirring is needed, the efficiency is improved. The device is simple in structure, higher in efficiency, better in effect and stronger in fertilizer integration, and can select different working modes as required, such as only mixing the surface layer, mixing the whole body or lifting excrement to discharge waste liquid, so that different composting requirements are met.
Owner:JIANLIN CHICKEN RAISING PROFESSIONAL COOP IN HANTING DISTRICT WEIFANG CITY

Anti-caking chemical fertilizer granule as well as preparation method and application thereof

The invention relates to the field of soil fertilizers, in particular to an anti-caking fertilizer granule as well as a preparation method and application thereof. The anti-caking chemical fertilizer granule is prepared from the following raw materials in parts by mass: 40-60 parts of urea, 1-3 parts of ammonium humate, 10-20 parts of inorganic metal salt, 20-30 parts of phosphate, 1-5 parts of a binder, 5-10 parts of functional resin, 5-10 parts of a complexing aid, 10-15 parts of a functional aid and 1-3 parts of a flow aid. The chemical fertilizer granules prepared by the invention can maintain good waterproof, moisture-proof, temperature-resistant and soil structure improving properties on the basis of having excellent anti-caking property, use and storage stability of the chemical fertilizer granules in various environments are avoided, the storage and transportation cost and procedures of the chemical fertilizer granules are greatly reduced, and the chemical fertilizer granules are suitable for large-scale popularization and application. And the method has a very excellent application prospect.
Owner:SHANDONG FUFENG AGRICULTURAL TECHNOLOGY CO LTD

Medium element fertilizer for saline-alkali soil improvement and preparation method thereof

The invention belongs to the technical field of saline-alkali soil restoration, and particularly relates to a medium element fertilizer for saline-alkali soil improvement and a preparation method thereof. According to the invention, calcium superphosphate in the fertilizer can provide a phosphorus source required by crop growth and can release Ca < 2 + > to replace Na < + >, and the complexing agent can chelate Cl <-> and SO4 < 2-> to synergistically reduce soil salinity; wherein the nitrogen source, the potassium source and the magnesium source can provide nitrogen, potassium and magnesium required by plant growth, and manganese, silicon and calcium elements in the pretreated electrolytic manganese residues enhance the salt resistance of crops; through the synergistic effect of all the components, the finally obtained fertilizer can synchronously realize saline-alkali soil desalination, pH value reduction and organic matter and nutrient supply improvement, so that plant growth is promoted.
Owner:LUXI COUNTY CHENXUAN AGRICULTURAL TECHNOLOGY CO LTD

Alginic acid organic water-soluble fertilizer capable of quickly releasing nutrients and preparation method of alginic acid organic water-soluble fertilizer

The invention relates to the technical field of fertilizers, in particular to an alginic acid organic water-soluble fertilizer capable of quickly releasing nutrients and a preparation method of the alginic acid organic water-soluble fertilizer. The organic water-soluble fertilizer is prepared from the following preparation raw materials: 30 to 35 parts of sodium alginate, 12 to 15 parts of a seaweed extract composition, 5 to 8 parts of monocalcium phosphate, 5 to 8 parts of monopotassium phosphate, 12 to 15 parts of urea, 0.5 to 0.8 part of a chelating agent, 40 to 45 parts of an organic fertilizer raw material, 1.5 to 2 parts of a microbial strain, 12 to 16 parts of ammonium humate, 4 to 6 parts of a cosolvent and 1.4 to 1.7 parts of xanthan gum. By optimizing the ratio of the raw materials, the absorption and utilization rate of plants to the water-soluble fertilizer is remarkably improved; nutritional ingredients can be quickly released, and plants can be promoted to absorb water-soluble fertilizer; through the synergistic effect of microorganisms and organic components, the content of nutrient substances in soil is increased, plants are helped to better absorb mineral substances and trace elements, the utilization efficiency of the fertilizer is improved, healthy growth of the plants is promoted, and the yield is increased.
Owner:SHANDONG QISHANG CENTURY BIOTECHNOLOGY CO LTD

Lanzhou lily field scale cuttage breeding method

The invention relates to the technical field of plant breeding methods, in particular to a Lanzhou lily field scale cutting breeding method which comprises the steps of breeding field preparation, seedball screening and processing, breeding scale stripping and selecting, scale processing, scale cutting, wheat straw disinfection processing, grass and film covering, moisture preserving and temperature increasing, hole opening and film uncovering, seedling stage management and seedball harvesting. According to the method, through the technologies of bulb and scale treatment optimization, grass and film double-covering temperature raising and moisturizing and the like, direct cuttage breeding of high-quality seedballs of Lanzhou lilies in a field in the cold and arid region is achieved. By means of the method, the bulblet occurrence rate can reach 95.0%-98.7%, the multiplication coefficient can reach 6.8-7.0, and the seedling emergence and growth conditions are equivalent to those of a greenhouse and a greenhouse.
Owner:INST OF BIOTECHNOLOGY GANSU ACAD OF AGRI SCI