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355results 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

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

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

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

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

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

Composite biological stimulant aiming at tropical rainforest soil carbon improvement as well as preparation method and application of composite biological stimulant

The invention relates to the technical field of soil carbon improvement, and discloses a composite biological stimulant for tropical rainforest soil carbon improvement and a preparation method and application thereof, the composite biological stimulant is obtained by mixing a microbial preparation, an immobilized carrier, porous biochar, an inorganic mineral compound, a slow release fertilizer, a soil conditioner and a plant symbiotic inoculant; the microbial preparation comprises one or more of lactic acid bacteria, nitrifying bacteria, phosphate solubilizing bacteria, nitrogen-fixing bacteria and arbuscular mycorrhizal fungi; the inorganic mineral compound comprises feldspar, apatite and montmorillonite; the slow-release fertilizer comprises biochar, humic acid and phosphate; the soil conditioner comprises biological colloid prepared from seaweed extract and natural plant fiber prepared from straw and palm fiber; the plant symbiotic inoculant comprises rhizobium and / or endophyte. According to the composite biological stimulant, the soil carbon fixing capacity of the tropical rainforest is remarkably improved, the soil void structure is improved, and the plant growth capacity is enhanced.
Owner:国际竹藤中心三亚研究基地

Nitrogen fertilizer for cigars, fertilizer and application

The invention discloses a nitrogenous fertilizer for cigars, a fertilizer and application. A nitrogenous fertilizer for cigars comprises a nitrate nitrogenous fertilizer and an ammonium nitrogenous fertilizer, and the molar ratio of the nitrate nitrogenous fertilizer to the ammonium nitrogenous fertilizer is (0.66-1.50): 1. The nitrate nitrogen fertilizer is potassium nitrate and / or calcium nitrate, and the ammonium nitrogen fertilizer is ammonium bicarbonate. The molar ratio of the nitrate nitrogen fertilizer to the ammonium nitrogen fertilizer is 1: 1. The invention also provides a fertilizer for cigars. The fertilizer comprises any nitrogen fertilizer for cigars. The fertilizer comprises the following components in parts by weight: 20-60 parts of decomposed oil cake, 20-40 parts of nitrogen fertilizer, 10-30 parts of phosphate fertilizer and 30-60 parts of potash fertilizer. The thoroughly decomposed oil cake is a thoroughly decomposed sesame cake. The nitrogenous fertilizer can improve the soil environment of the tobacco plant root zone, is beneficial to increasing the content of acid phosphatase in the soil, promotes the root development of the tobacco plant, increases the number of effective leaves, and can balance chemical components in cigar leaves.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI

Planting method for covering rice with biodegradable film in cold region

The invention relates to a planting method for covering rice with a biodegradable film in a cold region. Comprising the following steps: (1) dry seedling raising: sowing 20-30g of seeds in each square meter of seedbed by adopting drill sowing or broadcast sowing; (2) preparing a compartment surface, turning over the soil, and loosening the soil; (3) applying a base fertilizer at one time, and applying 7-8 kg / mu of a nitrogen fertilizer, 2-4 kg / mu of a phosphate fertilizer, 3-5 kg / mu of a potassium fertilizer and 1.0-1.5 kg / mu of a zinc fertilizer to the compartment surface; (4) covering a film on the compartment surface, and covering a biodegradable film to be tightly attached to the soil 2-3 days after the fertilizer is applied; (5) transplanting plantlets: transplanting the plantlets when 3-4 true leaves grow on each seedling; (6) water management: after rice transplanting, water is kept in furrows, and no water exists on film surfaces; drying the field in the vigorous tillering stage; (7) timely harvesting. The growth conditions of heat tension, short rice growth period and limited yield potential in the northeast cold region in China are solved, temperature increasing, water retention and fertilizer saving can be achieved, and the comprehensive benefits of rice planting in the northeast cold region are improved.
Owner:YANGZHOU UNIV

Charcoal-based organic fertilizer based on Fen liquor vinasse, preparation method and crop yield increasing method

The invention discloses a crop yield increasing method based on Fen liquor vinasse biochar-based organic fertilizer, which comprises the following steps: S1, mixing pretreated pig manure and Fen liquor vinasse biochar in a mass ratio of (3: 1)-(4: 1) to obtain a mixed material; and S2, adding a composite fermentation inoculant accounting for 0.5-2% of the total mass of the mixed material into the mixed material, and carrying out mixed fermentation to obtain the charcoal-based organic fertilizer based on the Fen liquor vinasse. The invention further discloses the charcoal-based organic fertilizer based on the Fen liquor vinasse. The invention further discloses a crop yield increasing method based on the Fenyang wine vinasse biochar-based organic fertilizer. According to the biochar-based organic fertilizer based on the Fen liquor vinasse, the preparation method and the crop yield increasing method, the problem that the existing biochar-based organic fertilizer is difficult to extract and utilize the Fen liquor vinasse is solved.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Fertilizer for degrading phosphorus element residues in soil and improving utilization rate of fertilizer and preparation method

The invention discloses a fertilizer for degrading phosphorus element residues in soil and improving the utilization rate of the fertilizer and a preparation method of the fertilizer. The invention belongs to the technical field of fertilizers, and through dipping treatment and high-temperature calcination of rice husk charcoal and a monopotassium phosphate solution, the surface of the prepared modified charcoal is rich in active functional groups, and the modified charcoal can adsorb and activate insoluble phosphorus in soil, improve the soil structure and enhance the permeability and water retention capacity of the soil at the same time; meanwhile, the phosphate-solubilizing bacillus, the pseudomonas and the arbuscular mycorrhizal fungi are compounded for use, so that the release efficiency of fixed-state phosphorus in the soil can be remarkably improved, and absorption and utilization of phosphorus by crops are promoted; citric acid, malic acid and tartaric acid are compounded for use and can form a stable chelate with metal ions in soil, the fixing effect of the metal ions on phosphorus is reduced, and the effectiveness of phosphorus is further improved; through reasonable trace element proportioning, the fertilizer can meet the requirements of crops on micronutrient elements in the growth process and promote healthy growth of the crops.
Owner:QINGDAO GREEN BAOZHU BIOTECHNOLOGY CO LTD

Mineral source nitro-humic acid complex phosphate fertilizer for treating land salinization and preparation method of mineral source nitro-humic acid complex phosphate fertilizer

The invention belongs to the technical field of compound fertilizers, and particularly relates to a mineral source nitro-humic acid complex phosphate fertilizer for treating land salinization and a preparation method of the mineral source nitro-humic acid complex phosphate fertilizer. Comprising the following components in parts by weight: 50-80 parts of mineral source nitro humic acid, 5-20 parts of calcium superphosphate, 1-5 parts of a soil conditioner, 1-3 parts of trace elements, 5-15 parts of biochar, 0.5-2 parts of a complex microbial inoculant and 3-8 parts of a coating material.
Owner:SICHUAN XINANJIA TECH CO LTD

Preparation method of efficient active organic-inorganic compound fertilizer containing biochar for synergism

The invention relates to the technical field of sunscreen articles, in particular to a preparation method of a biochar-containing synergistic efficient active organic-inorganic compound fertilizer, which comprises the following steps: activating rice husk charcoal and straw charcoal, and loading materials such as nano titanium dioxide to modify biochar; the organic materials are subjected to composite microbial agent pre-fermentation and composite enzymatic hydrolysis treatment; the preparation method comprises the following steps: mixing the modified biochar with materials, adding a plurality of functional materials, extruding and granulating, and carrying out plasma treatment and double-layer coating after granulating, so as to prepare the compound fertilizer with excellent performance. Through biochar modification and multi-technology synergistic treatment, the microbial activity of the fertilizer is improved, the heavy metal adsorption and nutrient slow release capabilities are enhanced, the stress resistance and yield of crops are improved, pollution is reduced, and green and efficient production is realized.
Owner:XINYU WALDE BIOTECHNOLOGY CO LTD +1

Nano-composite pesticide-fertilizer granules with saline-alkali soil improvement and slow release effects and preparation method of nano-composite pesticide-fertilizer granules

The invention relates to the technical field of agricultural environment functional materials and soil improvement, and provides a nano-composite pesticide-fertilizer granule with saline-alkali soil improvement and slow release effects and a preparation method of the nano-composite pesticide-fertilizer granule. The nano-composite pesticide-fertilizer granule provided by the invention sequentially comprises a composite fertilizer core, a nutrition synergistic adsorption layer, a nano-preparation slow-release layer and a pesticide-fertilizer functional coating layer from inside to outside. According to the invention, hydrotalcite and / or hydroxyapatite are / is used as a carrier substrate to load pesticide active components, and meanwhile, plant essential nutrient elements and saline-alkali soil improvement substances are compounded, and the design of a multi-layer structure is combined, so that the synergistic interaction of multiple components is realized; the obtained nano-composite pesticide-fertilizer granules have the functions of soil structure improvement, crop nutrition supply and continuous prevention and control of plant diseases and insect pests; meanwhile, the nano-composite pesticide-fertilizer granules are simple in preparation process, economical, environmentally friendly, suitable for disease and pest control and soil fertility improvement of saline-alkali soil crops and wide in application prospect.
Owner:INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS +1

Organic compound fertilizer for promoting rice growth and application thereof

The invention discloses an organic compound fertilizer for promoting rice growth and application thereof, and belongs to the technical field of compound fertilizers. The organic compound fertilizer for promoting rice growth, provided by the invention, not only contains organic matters, but also contains inorganic nutrients and functional microorganisms, is rich in organic matters and various inorganic nutrients, can provide comprehensive nutrients for rice growth, and promotes healthy growth of rice. Urea, diammonium phosphate, potassium sulfate, calcium superphosphate and other inorganic fertilizers can provide nitrogen, phosphorus and potassium elements needed by rice growth and can be rapidly absorbed and utilized by rice; the animal waste, the rice straw enzymatic hydrolysate, the distillers' grains, the oil meal and the like can provide sufficient nutrients for rice and promote growth of the rice on one hand, can improve physical properties of soil and promote growth and development of rice root systems on the other hand, and are combined with the microelements, the compound microbial powder and the silicon fertilizer in use, and the components act together, so that the effect of improving the rice yield is achieved. The growth of the rice is promoted, the yield of the rice is increased, and the physical property of the soil is improved.
Owner:江西省农业科学院水稻研究所

Method for promoting flower and fruit setting of amomum tsao-ko and application

The invention relates to the technical field of plant planting, in particular to a method for promoting flowering and fruit setting of amomum tsao-ko and application thereof.In the vigorous vegetative growth period, a nutrient solution composed of ammonium sulfate, NAA and GA3 with the proper concentration is adopted, the vigorous vegetative growth period can be effectively prolonged, and therefore flower bud differentiation is inhibited; a nutrient solution B composed of monopotassium phosphate, ABA and BR is sprayed in April, vegetative growth can be effectively broken through to be converted into reproductive growth, flower buds are promoted to be rapidly differentiated and formed when a rainy season comes, the flowering rate can be increased by 28-33%, the yield of the amomum tsao-ko medicinal material can be greatly increased, bumblebees are quantitatively put in the early stage of May, and the pollination rate can be greatly increased; in the blooming period, the nutrient D is spread around the cluster buds, meanwhile, the nutrient solution E is sprayed in a matched mode, and the fruit setting rate can be increased by 8.9%-9.6% compared with the fruit setting rate.
Owner:INST OF MEDICINAL PLANTS YUNNAN ACAD OF AGRI SCI +1

Corn and soybean intercropping cultivation method inoculated with AMF fungi

The invention discloses an AMF fungus inoculated corn and soybean intercropping cultivation method, and belongs to the technical field of intercropping cultivation, the method comprises the following steps: 1) measuring spore density of soil of a test field, and then applying fertilizer to the test field; 2) dividing the test field into six test land parcels, alternately planting corn belts and soybean belts, changing the corn planting row number of the corn belts, and performing AMF fungus inoculation on part of the test field; 3) filling gaps with seedlings; (4) thinning; 5) manually weeding once every other week; (6) dressing nitrogen fertilizer in the big horn mouth period of the corn; the method has the advantages that by researching and configuring the row ratio of corn and soybean intercropping and exogenous inoculation of AMF fungi, synergistic promotion of gramineous crops on leguminous crop nitrogen is enhanced, theoretical and practical support is provided for efficient utilization of nitrogen and yield increase and stability of crops, and the method is worthy of popularization and application. Production and use of the AMF bacterial fertilizer are achieved, and strip-shaped composite planting of corn and soybeans is popularized.
Owner:NORTHWEST A & F UNIV