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192results about "Superphosphates" patented technology

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

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

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

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

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

Dispersible activated bauxite granules and methods for forming dispersible activated bauxite granules

Dispersible activated bauxite granules are disclosed and methods for forming dispersible activated bauxite granules are disclosed in which bauxite is activated by a granulation process.
Owner:PHOSPHOLUTIONS INC

Transplanting method of nursery stock with high survival rate

The invention relates to the technical field of plant cultivation, in particular to a high-survival-rate seedling transplanting method. The transplanting method comprises the following steps: classifying and screening nursery stocks to obtain screened nursery stocks; lifting the screened seedlings according to a preset soil ball diameter to obtain a seedling transport body; loading the nursery stock transportation body into a container containing a pretreated nursery substrate (perlite, dried chicken manure, peat soil, straw and decomposed sweet potato seedlings) to obtain a nursery stock transplanting body; transferring the nursery stock transplanting body into the planting ditch for bed arrangement operation to obtain a nursery stock transplanting bed body; performing early-stage management on the nursery stock transplanting bed body to obtain a nursery stock bed; in the early-stage management, a compound organic fertilizer (rape seed cake, sheep manure, humic acid, wheat straw, bentonite, boric acid, magnesium sulfate, ammonium sulfate, calcium superphosphate, potassium sulfate and water) is used for additional fertilization; transplanting and planting the nursery stock bed to obtain transplanted nursery stocks. According to the method, by constructing a technical closed loop of root system microenvironment restoration, gradient adaptation and precise nutrition, the transplanting survival rate of the seedlings can be effectively increased.
Owner:WISCO MCC IND TECH SERVICE CO LTD

Green manure and charcoal-based yellow soil improvement method

The invention relates to the technical field of soil improvement, in particular to a yellow soil improvement method based on green manure and charcoal. The yellow soil improvement method based on green manure and charcoal comprises the following steps: planting common vetch in yellow soil in the fourth quarter of the first year; in the second quarter of the next year, the grown vicia sativa seedlings and the charcoal are turned and pressed together, base fertilizer is applied, and preliminary improvement of the yellow soil is achieved; crops are planted into the yellow soil after preliminary improvement, first topdressing is applied after a first time interval to achieve secondary improvement of the yellow soil, second topdressing is applied after a second time interval to achieve tertiary improvement of the yellow soil, and nutrients, aggregate stability and enzyme activity of the yellow soil are obviously improved through the tertiary improvement. The problems that existing yellow soil is viscous and heavy in texture, poor in tilling performance, low in natural fertility, high in acidity and relatively low in water and fertilizer retention capacity, soil exchangeable salt bases are remarkably lacked, the salt base saturation degree is generally smaller than 20%, and the nitrogen leaching loss phenomenon of the yellow soil is serious are solved.
Owner:GUIZHOU INST OF SOIL & FERTILIZER

Formula and preparation method of multistage slow-release fertilizer suitable for whole cycle of crops

The invention discloses a multi-stage slow-release fertilizer formula suitable for the whole period of crops and a preparation method, and belongs to the technical field of fertilizers. The slow-release fertilizer adopts a multi-layer structure formed by alternately nesting inorganic salt slow-release layers and organic matter wrapping layers, and sequentially comprises an inorganic salt slow-release inner core, a first organic matter layer, a middle inorganic salt slow-release layer, a second organic matter layer, an outer inorganic salt slow-release layer and a third organic matter layer from inside to outside, a sodium carboxymethyl cellulose-nano montmorillonite transition layer is arranged between every two adjacent layers. The three organic matter layers are made of the same raw materials, the gradient crosslinking degree design is adopted, and the pH response type degradable adhesive is matched, so that the nutrient release rate is accurately matched with the full-period fertilizer requirement rule of crops; each inorganic salt layer is pertinently matched with nitrogen, phosphorus, potassium and trace elements, and the structural stability is enhanced through the transition layer. The problems of quick release, low utilization rate and short period of the traditional fertilizer are solved, the yield and quality of crops can be remarkably improved, and the fertilizer is suitable for various soil and crop types.
Owner:HUNAN LILIMAN TECHNOLOGY DEVELOPMENT CO LTD

Organic improver for improving soil structure stability and improvement method

The invention provides an organic improver for improving soil structure stability and an improvement method, and belongs to the technical field of improvement of specific waste soil of a refuse landfill. The organic improver for improving the soil structure stability comprises a physical improvement component and a chemical improvement component, the physical improvement component is wormcast with the particle size of 0 to 2.5 mm or 2.5 to 5.0 mm; the chemical improvement component comprises an inorganic base fertilizer and an organic fertilizer, and the application mass ratio of the organic fertilizer to the inorganic base fertilizer is (50: 1)-(40: 1). A physical-chemical coupling synergistic scheme is adopted, physical improvement components and chemical improvement components are clear in division of labor and have synergistic interaction, the core problems of soil physical structure hardening and chemical fertility deficiency are synchronously solved, the defect of single improvement effect in the prior art is overcome, and synchronous optimization of soil physical properties and chemical fertility is achieved.
Owner:SHANGHAI RENKUO LANDSCAPING ENGINEERING CO LTD +1

Nutrient element combined application combination for improving yield and quality of pinellia ternate and application method

The invention discloses a nutrient element combined application combination for improving yield and quality of pinellia ternate and an application method. The nutrient element combined application combination comprises urea, calcium superphosphate, potassium sulfate, EDTA chelated copper, disodium octaborate tetrahydrate and sodium molybdate. The application method comprises the following steps: applying nitrogenous fertilizer and phosphatic fertilizer during sowing in April, applying nitrogenous fertilizer, phosphatic fertilizer, potash fertilizer, copper fertilizer, boric fertilizer and molybdenum fertilizer from June to July, and applying potash fertilizer, copper fertilizer, boric fertilizer and molybdenum fertilizer in August; according to the method, orthogonal experimental design is adopted, the nutrient element combined application combination most suitable for pinellia ternata production is obtained, the application method of the combined application combination designed by the invention is simple, convenient and easy to control, the yield of pinellia ternata can reach a relatively high level, the yield is 14619.42 kg: hm <-2 >, and the difference (P is less than 0.5) between the yield and the highest yield (14901.40 kg. Hm <-2 >) of the element combined application combination is not obvious.
Owner:GANSU UNIV OF CHINESE MEDICINE

Compound fertilizer for black beans as well as preparation method and application of compound fertilizer

The invention belongs to the technical field of fertilizers and relates to a compound fertilizer for black beans as well as a preparation method and application thereof. The compound fertilizer comprises a basic fertilizer, a microbial fertilizer and a trace element fertilizer, and a preparation method of the microbial fertilizer comprises the following steps: treating lignite with sophorolipid and trehalose lipid, treating turf with surfactin, mixing the treated lignite and turf, and then inoculating bacillus subtilis and rhizobium to obtain the microbial fertilizer. Through a unique dual mechanism of carrier synergism and fungicide function complementation, the dry matter cumulant and nitrogen cumulant of the overground part of the black bean are remarkably increased, and finally the yield and quality are remarkably improved.
Owner:SHANXI AGRI UNIV

Method for producing a porous cementitious material

The application discloses a preparation method of a silicate cement porous vegetation concrete material, and comprises the following steps: calcining coal-based kaolin to obtain activated coal-based kaolin; adding the activated coal-based kaolin and a water reducing agent into mixing water, and performing ultrasonic dispersion to form an activated coal-based kaolin suspension; weighing silicate cement, concrete recycled aggregates and fertilizer, and uniformly mixing to form dry materials; uniformly mixing the activated coal-based kaolin suspension and the dry materials, and loading into a mold for forming; and performing film covering and curing. The application is free from the low-alkalinity porous vegetation concrete system of a sulphoaluminate cement used in the preparation of a porous vegetation concrete in the prior art, and utilizes the activated coal-based kaolin after calcination and ultrasonic treatment as a main alkali-reducing agent to reduce the alkalinity of the silicate cement according to the condition that coal-based kaolin resources are rich, and the activated coal-based kaolin is matched with the fertilizer and the concrete recycled aggregates to provide a new material with rich raw material sources and low cost for ecological protection of a slope and a bank.
Owner:INNER MONGOLIA UNIVERSITY

Method for preparing feed-grade calcium hydrophosphate from raffinate acid

The invention discloses a method for preparing feed-grade calcium hydrophosphate from raffinate acid, which comprises the following steps of: mixing alkali liquor D and raffinate acid, reacting, filtering after the reaction to obtain filtrate A and a filter cake E, and using the filter cake E for producing compound fertilizer, ammonium phosphate, superphosphate or rich calcium, and reacting the filtrate A with the calcium slurry, filtering after the reaction is finished to obtain a filtrate B and a filter cake C, returning the filtrate B to prepare an alkali liquor D, and finally drying and packaging the filter cake C to obtain the feed-grade calcium hydrogen phosphate. The method is simple in process, the value of the raffinate acid is increased, and the method is very convenient for actual production.
Owner:WENGFU (GRP) CO LTD +1

Complex fertilizer comprising nitrogen, phosphorous, and sulfur encapsulated within secondary calcium and magnesium nutrients

Disclosed is a fertilizer containing a mixture containing i) calcium ammonium phosphate (CaNH4PO4), magnesium ammonium phosphate (MgNH4PO4), or a combination of CaNH4PO4 and MgNH4PO4 and ii) a mixture of calcium sulfate and ammonium sulfate ((NH4)2Ca(SO4)2), a mixture of magnesium sulfate and ammonium sulfate ((NH4)2Mg(SO4)2), or a combination of the (NH4)2Ca(SO4)2, and the (NH4)2Mg(SO4)2. Methods of making and using the fertilizer are also disclosed.
Owner:SABIC AGRI NUTRIENTS CO

A segmented curing preparation process of low free acid high water-soluble phosphoric superphosphate

PendingCN122145199ASuperphosphatesPhosphatic fertiliser granulation/pelletisationPhysical chemistryPhosphorite
This invention relates to the field of fertilizer production technology, specifically to a segmented ripening preparation process for low-free-acid, high-water-soluble superphosphate; the process includes the following steps: feeding phosphate rock powder into a ball mill for grinding to a particle size ≤120 mesh, preparing 93%±0.5% industrial sulfuric acid; adding phosphate rock powder at a molar ratio of available P2O5 to sulfuric acid of 1:1.05~1:1.07, adding 0.3%~0.5% (by weight of phosphate rock powder) of a modifying agent, and reacting at 65~70℃ for 40~50 minutes. In the later stage of the reaction, low-pressure steam of 0.2 MPa is introduced; staged maturation is carried out, first in a closed chamber at 55~60℃ for 24 hours, and then in a ventilated chamber at 45~50℃ and a wind speed of 0.8~1.0 m / s for 48 hours; granulation and screening are carried out, with the granulation drum rotating at 14~16 r / min and tilted at an angle of 3°~5°; through the above methods, the problems of high free acid, low proportion of water-soluble phosphorus and insufficient production efficiency in traditional processes are solved, and the product quality and production capacity are synergistically improved.
Owner:HUBEI LONGXIANG PHOSPHATE

Soil conditioner for improving saline-alkali soil as well as preparation method and application of soil conditioner

PendingCN121895092AAgriculture tools and machinesSuperphosphatesCaragana korshinskiiAlkali soil
The invention relates to a soil conditioner for improving saline-alkali soil as well as a preparation method and application thereof, and relates to the technical field of agricultural soil improvement, and the conditioner comprises furfural residues, a deadwood fermented organic fertilizer, a microbial agent, a protein material and calcium superphosphate. Experimental results show that the conditioner can significantly improve the physical structure of saline-alkali soil, the porosity is increased to 90% or above, the field moisture capacity is increased by 40-80%, and the soil moisture content is greatly increased. Meanwhile, in planting of saline-alkali tolerant plants such as caragana microphylla and Sadong green, the seedling rate of the F2 group formula applying the conditioner is increased to 45-55%, and growth indexes such as plant height, stem diameter and root development of the plants are remarkably superior to those of a control group. The method realizes resource utilization of industrial wastes, has the advantages of good improvement effect, low cost, environmental friendliness, simple process and the like, and is suitable for rapid improvement and ecological restoration of the saline-alkali soil.
Owner:MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD +1

Soil preparation method based on Molen-series coal gangue and application of soil preparation method

The invention discloses a soil preparation method based on molesey coal gangue and application, and relates to the technical field of solid waste resource utilization and soil improvement. The purpose of the invention is to solve the problems of environmental pollution, resource waste, poor adaptability of coal gangue soil preparation, poor improvement effect and incomplete removal of harmful impurities caused by accumulation of the mossy system coal gangue in the prior art. The method comprises the following steps: 1, pretreating the molery-series coal gangue; 2, mixing and improving; 3, microbial inoculation and curing; and 4, planting adaptive adjustment. The prepared soil is applied to mine land reclamation and agricultural planting soil improvement. According to the method, resource utilization of the mossy system coal gangue is effectively achieved, the prepared soil has the advantages of being appropriate in fertility, good in water and fertilizer retention, free of secondary pollution and the like, meanwhile, the soil preparation cost is reduced, remarkable economic, social and environmental benefits are achieved, and the method can be widely applied to the fields of mining area land reclamation, agricultural planting soil improvement and the like.
Owner:HEILONGJIANG WEIDA GREEN ENERGY TECHNOLOGY CO LTD

Special compound fertilizer for food crops as well as preparation method and application of special compound fertilizer

The invention discloses a special compound fertilizer for food crops as well as a preparation method and application thereof, and belongs to the technical field of organic and microbial fertilizers. The compound fertilizer comprises a basic fertilizer and an organic biological fertilizer source, wherein the basic fertilizer is prepared from sulfur coated urea, urea, calcium superphosphate, potassium chloride, sodium metasilicate and oyster shell powder; the organic biological fertilizer source is composed of a vinasse fermentation product, a microbial activity protective agent and lignosulfonate. The vinasse fermented product is prepared by carrying out three-stage solid state fermentation on vinasse by adopting a compound bacterium suspension consisting of mycobacillus halophilus and ocean sediment vesicular bacillus. Through synergistic fermentation of functional strains, compounding of a microbial active protective agent and introduction of a slow-release nitrogen source and stress-resistant components, synergistic interaction of efficient release of nutrients, soil improvement and improvement of crop stress resistance is realized. The compound fertilizer is suitable for grain crops such as wheat and rice, can remarkably improve root activity, yield and stress resistance, and has a wide application prospect.
Owner:STANLEY FERTILIZER FENGCHENG CO LTD

Tank-type fermentation process capable of realizing collaborative emission reduction of NH3, N2O and CH4

The invention discloses a tank type fermentation process capable of realizing collaborative emission reduction of NH3, N2O and CH4. The tank type fermentation process comprises the following steps: S1, pretreating raw materials; s2, material introduction; s3, supplementing materials; and S4, continuous fermentation. The process has the advantages of obvious environmental benefit, realization of collaborative emission reduction of greenhouse gas and odor, final reduction of the compost load, high resource utilization efficiency, realization of closed-loop circulation of water and fertilizer, reuse of nutrient-rich leachate as a nitrogen fixation carrier, realization of zero liquid discharge and nutrient in-situ recovery, increase of the total nutrient content of a compost product, and realization of environmental protection and environmental protection. The nitrogen loss is greatly reduced, and beneficial components such as zeolite and pyroligneous liquor are added, so that the content of organic matters and nutrients of the finished compost is high, the water and fertilizer retention capacity is high, essential elements for promoting plant growth are contained, and the commodity value is remarkably improved.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Interplanting method of wild jujube and rhizoma atractylodis

PendingCN121817007AIncrease planting volumePromote production and incomeSuperphosphatesExcrement fertilisersElaeagnusAtractylodes chinensis
The invention discloses a wild jujube and rhizoma atractylodis interplanting method, and belongs to the technical field of wild jujube and rhizoma atractylodis interplanting, the method comprises the following steps: interplanting rhizoma atractylodis between rows after wild jujube transplanting, planting the rhizoma atractylodis at small intervals during rhizoma atractylodis interplanting, then applying a water and fertilizer competitive agent in rhizoma atractylodis planting holes close to wild jujube planting, and applying the water and fertilizer competitive agent on rhizosphere soil surface during later topdressing, furthermore, the water and fertilizer competitive agent applied in the planting holes can adsorb and intercept nutrients and moisture at the rhizosphere of the rhizoma atractylodis, so that the competitive absorption of the rhizoma atractylodis to the moisture and the nutrients is improved, the good growth of the rhizoma atractylodis and the wild jujube planted at a close interval is ensured, the land utilization rate is better improved, the planting amount of the rhizoma atractylodis is increased, the normal growth condition of the rhizoma atractylodis can be ensured, and the economic benefit is increased. Therefore, yield and income of the interplanted rhizoma atractylodis are increased, and the method has a good application prospect.
Owner:YULIN UNIV

Special carbon-based assembled functional fertilizer for corn based on soil fertility matching as well as preparation and application methods of special carbon-based assembled functional fertilizer

The invention discloses a special carbon-based assembled functional fertilizer for corn based on soil fertility matching, which is divided into three systems according to the content of organic matters in soil: when the content of the organic matters in the soil is less than 15g / kg, a high-biomass-charcoal low-organic-fertilizer formula is adopted; when the content of organic matters in the soil is 15-25 g / kg, an organic fertilizer formula in the biomass charcoal is adopted; when the content of organic matters in the soil is greater than 25 g / kg, a low-biomass charcoal high-organic fertilizer formula is adopted. The invention also discloses a preparation method and an application method thereof. According to the invention, 'fertilizer fixation due to soil and accurate regulation and control 'are realized, the soil structure can be effectively improved, the carbon-nitrogen ratio is balanced, the nutrient utilization efficiency is improved, and the growth of corn is promoted.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

A mineral phosphate ash based fertilizer and a process for the production thereof

PendingUS20260109656A1SuperphosphatesPhosphatic fertiliser granulation/pelletisationSoil sciencePhosphate
There is provided herein a mineral phosphate ash fertilizer comprising a NAC solubility of at least 90% of total amount of P2O5 and a water solubility of 15-80% of the total amount of P2O5.
Owner:ICL EURO COOPERATIEF U A

Special microbial compound fertilizer for jerusalem artichoke and preparation method thereof

The invention belongs to the technical field of agriculture, and particularly relates to a special microbial compound fertilizer for jerusalem artichoke and a preparation method thereof. The special microbial compound fertilizer for jerusalem artichoke comprises the following raw materials in parts by weight: 80-85 parts of organic fertilizer, 3-5 parts of beneficial microbial agent, 4-6 parts of nitrogen fertilizer, 4-5 parts of phosphate fertilizer and 3-8 parts of potash fertilizer. The preparation method comprises the following steps: premixing an organic fertilizer, a nitrogen fertilizer, a phosphorus fertilizer and a potassium fertilizer to obtain a premixed base material; and adding a beneficial microbial agent into the premixed base material, and mixing to obtain the special microbial compound fertilizer for jerusalem artichoke. The invention aims to solve the technical problems that in the prior art, the fertilizer for planting jerusalem artichoke is unbalanced in nutrient, the product safety is influenced by excessive application easily caused by self proportioning of chemical fertilizer by farmers, and the fertilizer efficiency is poor due to neglect of soil micro-ecological improvement.
Owner:XINJIANG XINDA FENGSHENG AGRI TECH CO LTD

Preparation method of portland cement porous vegetation concrete material

The invention discloses a Portland cement porous vegetation concrete material preparation method, which comprises: calcining coal series kaolin to obtain activated coal series kaolin; adding the activated coal series kaolinite and a water reducing agent into the mixing water, and performing ultrasonic dispersion to form activated coal series kaolinite suspension; weighing the Portland cement, the concrete recycled aggregate and the fertilizer, and uniformly mixing to form a dry material; uniformly mixing the activated coal series kaolinite suspension and the dry material, and loading the mixture into a template for molding; and laminating and curing. According to the preparation method, a sulphoaluminate cement low-alkalinity porous vegetation concrete system adopted in the conventional preparation of porous vegetation concrete is separated, and according to the condition that coal series kaolin resources are rich, activated coal series kaolin subjected to calcination and ultrasonic treatment is used as a main alkalinity reducing agent to reduce the alkalinity of Portland cement; the fertilizer and the concrete recycled aggregate are matched, so that a new material with rich raw material sources and low cost is provided for ecological protection of side slopes and embankments.
Owner:INNER MONGOLIA UNIVERSITY

Nanometer zeolite coupled biomass charcoal-based slow-release fertilizer suitable for acidic rice soil, preparation method and application of nanometer zeolite coupled biomass charcoal-based slow-release fertilizer

The invention discloses a nano zeolite coupled biomass charcoal-based slow release fertilizer suitable for acidic rice soil, a preparation method and application, and aims to solve the problems of low pH value, high methane emission flux, low nutrient utilization rate and the like of the acidic rice soil. By constructing a nano zeolite-biomass charcoal-slow release fertilizer-silicon fertilizer synergistic regulation system, the stability of organic carbon in soil and the slow release capacity of nutrients are improved by utilizing a composite material formed by embedding nano zeolite into pores of biomass charcoal; the alkalinity and physiological functions of the silicon fertilizer are used for improving the soil pH and the oxygen secreting capacity of the rice root system, and cooperative emission reduction is achieved through the two paths of inhibiting methane generation and promoting methane oxidation. Field test results show that the pH value of acidic rice soil can be increased by 0.5-1.5 units in a rice growing season, the accumulated emission of methane is reduced by 27%-40%, and the rice yield is increased by 12%-20%. The invention has the advantages of easily available raw materials, simple process, good operability and the like, and can realize the synergistic effect of acid soil improvement, carbon sequestration and emission reduction and crop yield and efficiency increase.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Calcium-based soil conditioner as well as preparation method and application thereof

The invention discloses a calcium-based soil conditioner as well as a preparation method and application thereof, and relates to the technical field of soil improvement. The calcium-based soil conditioner comprises straw, calcium salt, nitrogen-phosphorus-potassium fertilizer and acid-resistant bacillus. Compared with the prior art, after the calcium-based soil conditioner provided by the invention is added into the soil, the abundance of Xanthobacraceae (xanthobacteriaceae) and Xanthomonadaceae (xanthomonas family) in the soil is obviously increased, and meanwhile, the abundance of Aspergillus flavus (aspergillus) and the abundance of Rhizopus arrhzizus (rhizopus arrhizus) in the soil are also obviously reduced.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Preparation method of functional medium trace element fertilizer

The invention belongs to the technical field of fertilizer preparation, particularly relates to a preparation method of a functional medium trace element fertilizer, and aims to solve the problems that in the existing fertilizer preparation process, a coating layer usually only pays attention to physical slow release and lacks the function of synergistically providing active substances (such as amino acid and polysaccharide) and trace elements; in order to solve the problem that the conventional addition mode of trace elements is difficult to ensure the stability and bioavailability of the feed, the invention provides the following scheme: the preparation method comprises the following steps: S1, preparing materials: 15-30 parts of straws, 5-15 parts of soybean meal and 3-10 parts of molasses; through use of the straw, the soybean meal, the molasses, the bacillus subtilis, the nitrogen-fixing bacteria, the phosphate solubilizing bacteria, the trichoderma, the nitrogen-phosphorus-potassium fertilizer, the humic acid, the ferrous sulfate, the zinc sulfate, the manganese sulfate, the boric acid, the sodium molybdate, the sodium alginate, the chitosan and the serine, the problems of single coating function, poor trace element stability and low bioavailability in the fertilizer preparation process are effectively solved.
Owner:JILIN WOYIJIA ECOLOGICAL AGRI CO LTD

Process for quickly decomposing livestock and poultry manure by combining high-temperature pretreatment

The invention discloses a process for quickly decomposing livestock and poultry manure in combination with high-temperature pretreatment, which comprises the following steps: controlling the water content of the livestock and poultry manure to be less than or equal to 85%, mixing the livestock and poultry manure with a fermentation auxiliary material to obtain a fermentation raw material, and then blending the fermentation raw material to obtain a blended fermentation raw material; performing high-temperature pretreatment on the blended fermentation raw material at the temperature of 80-90 DEG C for 2-4 hours, and stirring and ventilating to obtain a pretreated fermentation raw material; carrying out maturing composting on the pretreated fermentation raw material, controlling the oxygen concentration in a pile body to be greater than or equal to 8%, and obtaining a rapidly matured fermentation raw material after 3-25 days; and then performing post-decomposition on the quickly decomposed fermentation raw material, controlling the oxygen concentration in the pile body to be greater than or equal to 5%, and completing the treatment of the livestock and poultry manure after 15-20 days. According to the process disclosed by the invention, the raw materials are subjected to ultrahigh-temperature heat treatment at 85 DEG C or above for 2-4 hours and then are subjected to matured composting, so that the raw materials can be fully biodegraded, and the formation of humic substances is accelerated.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA