54results about How to "Change the aggregate structure" patented technology

The invention discloses an organic-inorganic improvement fertilizer for saline-alkali soil and a preparation method thereof. The organic-inorganic improvement fertilizer is prepared from, 20-30 parts of bentonite, 20-30 parts of zeolite, 20-30 parts of flue gas desulfurization gypsum, 10-20 parts of dehydrated sludge, 20-30 parts of humic acid, 10-20 parts of coal ash, 20-30 parts of ardealite, 10-20 parts of peat, 10-20 parts of straw meal, 10-20 parts of animal waste, 2-8 parts of microbial inoculation bacteria and 2-5 parts of emulsified asphalt. The invention further provides a preparation method of the organic-inorganic improvement fertilizer for saline-alkali soil. According to the organic-inorganic improvement fertilizer, the physicochemical character of soil can be improved, soil permeability and moisture and fertilizer preservation can be improved, the soil ion exchange rate can be improved, the PH value can be buffered, the chemical fertilizer consumption can be reduced, the crop yield can be improved, the product quality can be improved, the soil improvement effect can be improved, and the soil improvement cycle can be shortened.

The invention discloses a nutrient-supplying agent for improving high saline soil comprising Attapulgite clay 50-80 wt%, polyethylene glycol or polyvinyl alcohol 2-5 wt%, fertilizer 18-45 wt%. The advantages of the invention include, appreciable change to the crumble structure of the loess soil, increased soil oxygen and hydraulic permeability, and slow release fertilizer action for the Attaplgite clay, which can be applied to ecological treatment.

The invention relates to a compound improved conditioner for saline-alkali soil and a preparation method of the compound improved conditioner. The compound improved conditioner comprises the following raw material components: 30-50 parts of an organic conditioner, 40-70 parts of an inorganic conditioner, 10-30 parts of biological conditioner and 5-15 parts of an artificially synthesized conditioner. The preparation method comprises the steps of drying the raw material components until the moisture contents are 4%-8%, grinding the raw material components to be 200-350 meshes, uniformly mixing, adding the mixture into a granulator, and granulating to obtain a finished product. According to the compound improved conditioner, the physical and chemical properties of soil can be improved, the permeability and the moisture and fertility preservation performance of soil can be improved, the ion exchange ratio and the buffer pH value of soil can be increased, the number and the activities of microorganisms in soil can be increased, the soil fertility can be increased, the output and the quality of crops can be increased, the soil improvement effect can be improved, and the soil improvement period can be shortened.

The invention provides a soil improver for desert and a desert soil improvement method, and belongs to the field of desert treatment. According to the weight parts, the soil improver for desert comprises the raw material components: diatomite, fly ash, bentonite, kaolin, peat, plant straw powder, an algae-containing carrier, an organic fertilizer, coated grass seeds, humus, zeolite powder, glass micro-beads, silica powder, a microbial liquid and the like. The soil improver for desert is composed of sand-fixing components and nutrient components with specific compatibility relation; a final product contains both solid and liquid components, also has the effects of sand fixing and soil (quality) improvement, and is a novel product for treating both roots cause and symptoms in the field of desertification control.

The invention discloses a method for preparing super absorbent resin with a cross-linked structure from potato starch phosphate graft co-polymeric acrylic acid and a sodium salt thereof. The method comprises the following main technological processes of: under ice water bath cooling, performing neutralization reaction between a sodium hydroxide solution and acrylic acid used for removing a polymerization inhibitor so as to prepare the acrylic acid and a sodium salt solution of the acrylic acid; mixing the prepared acrylic acid and the sodium salt solution of the acrylic acid with potato starch phosphate; adding an initiator of persulfate, a crosslinking agent of N,N'-methylene bi-acrylamide so that the mixture is mixed evenly under stirring; then under the protection of nitrogen gas, heating the mixture in a water bath and stirring the mixture so that the potato starch phosphate performs graft copolymerization with the acrylic acid and the sodium salt solution of the acrylic acid; stopping stirring after reaching a certain temperature, performing heat preservation reactions, and then stopping introducing the nitrogen gas; and taking out a product, cutting the product into small pieces, drying the small pieces in a drying oven to have constant weights, and crushing the small pieces to obtain the super absorbent resin.

The present invention discloses a method for preventing and treating kiwifruit canker. The method includes the following steps: A, microbial fertilizer application: a microbial fertilizer, i.e. a Dr. Ma microbial fertilizer, is applied to kiwifruits once in early September, once in middle-late October, once in late March and once in mid May; B, tree body and soil surface drip washing-type spray sterilization: the tree body and soil surface are subjected to drip washing-type spray sterilization once in early September, once in late October to late November and once in late February in the next year; and C, canker site scraping and sterilization: canker sites on the tree body are scraped, and the positions subjected to scraping are sterilized with alcohol and then applied with agricultural chemical liquid. The method can effectively prevent the occurrence of kiwifruit canker, has a high cure rate for diseased plants, and is simple and easy for fruit growers to use without harming the tree body.

A fertilizer capable of reducing the cadmium content of rice is prepared from chicken manure, rapeseed meal, rice chaff, bamboo powder, humic acid and a microbial agent. The chicken manure, the rapeseed meal, the rice chaff, the bamboo powder and humic acid raw powder are added into a heating and stirring machine according to proportions to be stirred evenly, then the microbial agent is added for carrying out two-end type fermentation, and the fertilizer is prepared after the raw materials are fully fermented and decomposed. The fertilizer can quickly enter soil in a large area to inhibit the effectiveness of cadmium ions, change the granular structure of the soil and improve the adsorption capability of the soil, so that the overall quality of the rice soil is improved, and the cadmium content of planted rice is reduced.

The invention relates to a preparation method of a rooting and synergizing organic fertilizer. The preparation method comprises the steps of adding a rooting agent and a wetting emulsifier into a stirring reactor containing a synergist according to a certain mass ratio; uniformly stirring, starting to stir and slowly adding a thickening agent at the temperature of 20 to 85 DEG C; stirring until the thickening agent is completely dissolved; cooling to the room temperature so as to obtain a synergist with a rooting function; adding the synergist with the rooting function in a fertilizer during an organic fertilizer production process, and obtaining the rooting and synergizing organic fertilizer. According to the preparation method of the rooting and synergizing organic fertilizer provided by the invention, the fertilizer utilization ratio can be remarkably improved and the rooting effect is good.

The invention discloses biomass carbon and a preparation method and application thereof. The preparation method comprises the following steps that (1) biomass raw materials are preliminarily carbonized, so that preliminarily carbonized biomass is obtained; and (2) the preliminarily carbonized biomass obtained in the step (1) is deep carbonized, so that the biomass carbon is obtained. Preliminary carbonization treatment in step (1) is preliminary pyrolysis, and the temperature of preliminary pyrolysis is 100-300 DEG C; and deep carbonization treatment in the step (2) is deep pyrolysis, and thetemperature of deep pyrolysis is 350-600 DEG C. The technological process is clear in structure, techniques are mature and operable, the characteristics of small investment, quick effect and high output are achieved, the obtained biomass carbon can effectively improve physical and chemical properties of soil, maintain water, retain nutrients in the soil and promote growth of beneficial microorganisms in the soil, the crop yield and quality improvement are comprehensively promoted, and the plant economy income of farmers is increased.

The invention discloses an organic and inorganic compound fertilizer for radix pseudostellariae. The organic and inorganic compound fertilizer comprises an organic fertilizer and an inorganic fertilizer, wherein the inorganic fertilizer comprises urea for a nitrogen fertilizer, calcium superphosphate for a phosphate fertilizer and potassium sulphate for a potash fertilizer; the formula is prepared from the following raw materials in parts by weight: 1200-1500 parts of an organic fertilizer, 90-120 parts of urea, 60-90 parts of calcium superphosphate and 120-150 parts of potassium sulphate; the raw materials are mixed evenly to prepare the organic and inorganic compound fertilizer; and an organic cow dung fertilizer metabolized by earthworms is adopted by the organic fertilizer. The radix pseudostellariae is scientifically fertilized with the organic and inorganic compound fertilizer, so that the fibrous root of the radix pseudostellariae can be reduced; the utilization rate of the fertilizer is improved; the physical and chemical properties of the soil are improved; and the moisture content, the ash content and the extract content of the radix pseudostellariae are greatly improved, so that the high-yield and high-quality radix pseudostellariae is obtained; the production cost can be greatly reduced; the organic and inorganic compound fertilizer has the characteristics of being high in utilization rate, stable in performance, simple, feasible and free of a damp coagulation phenomenon; and large-area popularization and application are facilitated.

The invention discloses a method for preparing super absorbent resin by grafting and copolymerizing carboxymethyl potato pulp. The main process is as follows: under ice-water bath cooling, carrying out neutralization reaction by using sodium hydroxide liquor and polymerization inhibitor-removed acrylic acid, adding neutralized liquor into a reaction container which contains carboxymethyl potato pulp, acrylamide, potassium persulfate, sodium hydrogen sulfite, N, N'- methylene bisacrylamide and deionized water for sufficiently mixing uniformly, stirring under nitrogen gas protection, heating in water bath, stopping stirring while heating to 25-45 DEG C, preserving heat for 2 hours in boiling water bath, then stopping ventilating nitrogen gas, taking out a product and shearing the product into small blocks, drying in an oven of 40 DEG C-60 DEG C until weight is constant, crushing to obtain a product. Compared with water-absorbent resin on the market, the super absorbent resin prepared by the method disclosed by the invention has water absorption capacity which is greatly improved, and low preparation cost, and therefore, the method has a very good application prospect in water retention of arid area soil, desert prevention and treatment, gardening of agriculture and forestry, and the like.

The invention relates to a charring agent having a beta-crystal inducing nucleation effect, and a synthetic method thereof. The method comprises the following steps: adding a solvent into a vessel, cooling the solvent in a freezing reactor or ice bath to -5-5 DEG C, adding cyanuric chloride, and uniformly stirring the solvent and the cyanuric chloride to obtain a mixed solution; dropwise adding a rigid group-containing reactant and an acid binding agent solution to the mixed solution, carrying out a reaction at -5-5 DEG C for 1-3 h, and separating the obtained reaction product to obtain a monobasic substituent; and dropwise adding a diamine or diol substance and the acid binding agent to a reaction container provided with the monobasic substituent, rising the temperature to 40-60 DEG C, carrying out a reaction for 1-3 h, rising the temperature to a solvent refluxing temperature, and carrying out a reaction for 5-8 h to obtain the charring agent. The charring agent has the advantages of high charring capacity, good thermal stability, and induction of a certain amount of beta-crystals to change the aggregation structure of a polypropylene composite material.

The invention discloses a process formula for synthesizing and super absorbent resin with high kalium content by using potato starch phosphate as a raw material. Compared with the similar products, the super absorbent resin prepared by the formula has high water absorption capacity and good gel strength, has high content of kalium element, and plays an important role in combating drought and protecting seedling, increasing both production and income, growing plants and other aspects for soils in drought areas.

The soil improving agent with slowly released fertilizer and in low cost is prepared through dissolving 10 kg of urea in 150 kg of water, adding 240 kg of attapulgite, soaking for 24 hr, stoving at low temperature of 40 deg.c, crushing and pacing. The soil improving agent can inhibit the migration of salts in soil effectively, change aggregate structure of soil obviously, raise the oxygen permeability and water permeability of soil, and make fertilizer release slowly for favoring plant growth. The preparation process is simple and suitable for industrial production.

The invention discloses a special organic fertilizer for rice in the booting stage, and a preparation method of the fertilizer, and relates to the field of organic fertilizers. The special organic fertilizer is prepared from, by weight, 45-55 parts of straws, 8-10 parts of soybean meal, 6-8 parts of cottonseed meal, 3-5 parts of mushroom residues, 4-6 parts of lignin residues, 1-2 parts of wheat bran, 8-10 parts of rice chaff, 3-5 parts of fish meal, 2-4 parts of licorice root powder, 1-3 parts of a mineral additive, 0.5-1 part of trace elements and 5-10 parts of amino acids. The organic fertilizer contains a large amount of organic matters, shows the soil granule structure improving, activating, loosening and changing properties and the physical and chemical properties of organic fertilizers, and increases the water storage and fertilizer conservation ability of soil; and the organic fertilizer provides various trace mineral matter elements needed by the booting stage, has the fast action property of chemical fertilizers, can prevent and treat various physiologic diseases caused by missing trace elements in the booting stage in order to reduce other diseases and make the rice vigorously grow in the whole booting stage, and lays a good foundation for final fruiting.

The invention provides an ecological restoration method for a quarry in a mining area, and belongs to the field of ecological restoration. The ecological restoration method for the quarry in the mining area comprises the following steps: leveling the quarry, crushing waste ores to obtain ore powder, and soaking the obtained ore powder with an aqueous solution containing sulfuric acid to obtain pretreated ore powder; adding water and an agglomerating agent into the pretreated ore powder, and shearing to obtain a slurry; laying an activated carbon layer, the slurry and an isolation layer composed of coal gangue and fly ash in the leveled quarry in sequence, and compacting while spraying water; and then carrying out operations such as borrowed soil backfilling, crop planting and the like. Themethod is a systematic and targeted restoration method, multiple measures are simultaneously taken, effects of recycling, restoring, weakening the toxicity of the mining area, enriching the nutritionof the mining area, increasing the diversity of objects in the mining area and the like are integrated, the abandoned mining area is converted into a usable area after long-term restoration, the added borrowed soil is prevented from being eroded, and normal growth of planted crops is guaranteed.

The invention relates to the technical field of household textiles, in particular to a preparation method of an acrylic and polyester fiber blended yarn. The method comprises the following steps of (1) performing polyester modification treatment: adding persulfate, N,N-dimethylformamide and acrylamide into water, uniformly stirring to prepare a solution, then putting polyester fibers into the solution, carrying out a grafting reaction under the ultrasonic action in a nitrogen atmosphere, and then carrying out washing and drying to obtain modified polyester; and (2) mixing the modified polyester obtained in the step (1) with acrylic fibers, and spinning a mixture into the blended yarn through open-end spinning. Hydrophilic groups are grafted to the polyester fibers through the grafting reaction, so that the hygroscopicity of polyester is improved; and the modified polyester and the acrylic fibers are blended to prepare the yarn, so that the hygroscopicity and softness of the acrylic and polyester blended yarn can be further improved. A textile prepared from the blended yarn is good in hygroscopicity and softness.

The invention relates to a method for improving Suda saline-alkali soil and generating a biochemical fulvic acid raw material, which belongs to the field of natural resources and ecological environment. The method comprises the following steps of preparing steam expanded straws, preparing a biochemical fulvic acid raw material, carrying out multistage salt leaching on saline-alkali soil, and preparing a biochemical sodium fulvate raw material. The method has the advantages that the purpose of improving the saline-alkali soil by agricultural wastes is achieved, and compared with the conventional method, the generated biochemical fulvic acid raw material has the advantages of shortened fermentation time, high humic acid content, trace elements and organic matters. The soil salinity is reduced, the excessive sodium ions are removed and fixed, the optimal pH value range is regulated, the soil aggregate structure beneficial for the target plant growth is formed, and the method is used in the fields of straw resource utilization, biochemical fulvic acid raw material production, saline-alkali soil modifier production, saline-alkali soil improvement technology, sodium fulvic acid raw material production, engineering strain fertilizer production and the like; the method is economical, environment-friendly, renewable in resource, beneficial to sustainable development of agriculture, universal in applicability and easy to popularize.

The invention relates to the field of soil conditioner preparation, in particular to an acid soil composite conditioner and a preparation method thereof. The organic fertilizer is characterized by being prepared from the following materials in parts by weight: 20-30 parts of chicken manure, 30-50 parts of chaff padding, 10-20 parts of molasses alcohol waste liquid, 5-10 parts of chitin powder, 2-4parts of humic acid, 3-6 parts of boric sludge, 10-20 parts of a compound microbial flora agent, 1-3 parts of a polymer water-retaining agent, 3-6 parts of a sargassum extracting solution, 2-4 partsof dolomite powder and 5-8 parts of wormcast. The acid soil composite modifier can adjust the pH value of soil, increase beneficial elements such as phosphorus and potassium in the soil, activate beneficial components in the soil, effectively control insect diseases and provide a good soil environment for crop growth, and has obvious effects of increasing the crop emergence rate and promoting healthy growth of plants.

The invention relates to the technical field of construction waste treatment, and provides a treatment method of construction waste. The treatment method comprises the following steps: sequentially carrying out pre-drying, sorting, dry heating treatment and grinding on the construction waste to obtain dried construction waste. According to the treatment method provided by the invention, the physical properties of the construction waste are changed through dry heating treatment, the water content of the soil is rapidly reduced, the granular structure of the soil is changed, the soil texture ischanged from clay to loam, and pathogenic microorganisms and weed seeds can be thoroughly killed through dry heating treatment; and the obtained dried construction waste meets the standard of green planting soil, and can be used as planting soil. The method provided by the invention can simultaneously solve the problem that the construction waste is difficult to treat and the problem of lack of planting soil resources in the urban landscaping construction process, realizes resource utilization of the construction waste, and does not generate environmental pollution.

The invention discloses a method for preparing nitrogen and potassium contained superabsorbent resin from carboxymethyl potato residues. The method comprises the main process steps of enabling a potassium hydroxide solution and polymerization inhibitor removed acrylic acid to be subjected to neutralization reaction under the cooling of ice-water bath; adding the neutralized solution into a reaction vessel filled with carboxymethyl potato residues, acrylamide, potassium persulfate, sodium hydrogen sulfite, N, N'-methylenebisacrylamide and deionized water; stirring under the protection of nitrogen gas, heating in water bath, stopping stirring at the temperature of 25-45 DEG C, and preserving heat in boiling water bath for 1-2h; then, stopping introducing nitrogen gas, taking out a product, shearing the product into small blocks, drying the small blocks in a drying oven with the temperature of 40-60 DEG C until the weights of the small blocks are constant, and smashing to obtain the nitrogen and potassium contained superabsorbent resin prepared from carboxymethyl potato residues. Compared with the like product, the superabsorbent resin prepared by using the method disclosed by the invention is greatly improved in water absorbing capacity, low in preparation cost and favorable in application prospect on the aspects such as water retention of soil in drought regions, desert control, plant growth and the like.

The invention relates to the technical field of biotechnology, in particular to a bacterial preparation capable of decreasing soil-borne diseases, accelerating rooting and resisting continuous cropping. The bacterial preparation is prepared from the following raw materials in parts by weight: 2 to 15 parts of humic acid, 0.1 to 15 parts of amino oligosaccharide, 0.1 to 2 parts of naphthyl acetic acid, 0.2 to 10 parts of indolebutyric acid, 0.1 to 20 parts of DA-6, 0.2 to 10 parts of zinc, and bacillus lichens with 0.02 to 50 billion spores / gram. The bacterial preparation has the advantages that the soil-borne diseases are decreased, the crop rooting is quickly accelerated, the growing and strengthening of seedlings are accelerated, the transplanting survival rate is improved, the green return speed is quick, the disease-resistant property is realized, and the yield is increased by 5 to 8% or above.

The invention relates to the technical field of biotechnology, in particular to a crop bacteria preparation capable of mitigating soil-borne disease, promoting rooting, resisting continuous cropping,which is prepared from the following raw materials in parts by weight: 2-20 parts of humic acid, 0.2-10 parts of indolebutyric acid, 0.2-10 parts of naphthylacetic acid, 0.2-10 parts of zinc, 0.2-5 parts of iron, and 0.02-10 billion spores / trichoderma mycetes or trichoderma mycetes, the bacteria preparation disclosed by the invention can mitigate disease, promote rooting of crop, strengthen rice seedling, improve survival rate of transplanting, turn green quickly, resist diseases, increase production by 5-8% or above.

The invention relates to a self-cleaning cotton fiber and a preparation method thereof. The preparation method comprises the following steps: adding nano titanium dioxide, methacrylic acid and ceric ammonium nitrate into ethanol, carrying out grafting reaction in an inert gas atmosphere, filtering, washing and filtering to obtain a solid, and drying; adding the obtained methacrylic acid modified nano titanium dioxide and ceric ammonium nitrate into ethanol; soaking the cotton fiber in water, drying, placing the cotton fiber in the mixed solution in an inert gas atmosphere, carrying out grafting reaction, washing, and carrying out secondary drying. According to the invention, methacrylic acid is grafted to nano titanium dioxide through a grafting reaction to obtain methacrylic acid modified nano titanium dioxide, and then the methacrylic acid modified nano titanium dioxide is grafted to cotton fibers through the grafting reaction, that is, the nano titanium dioxide is introduced into the cotton fibers through chemical bonds; the bonding strength of the nano titanium dioxide and the cotton fibers is improved, so that the self-cleaning performance and the washable stability of the fabric are improved.

The invention relates to a preparation for reducing soil-borne disease, promoting rooting and resisting continuous cropping. The preparation is prepared by mixing the following raw materials in parts by weight: 35-50 parts of fulvic acid, 10-15 parts of ferrous sulfate, 10-15 parts of magnesium sulfate, 5-8 parts of sodium octaborate, 7-10 parts of zinc sulfate, 20-30 parts of bacillus subtilis, 15-25 parts of bacillus cereus, 20-30 parts of trichoderma viride, 2-5 parts of complex amino acid and 0.1-0.5 part of indolebutyric acid. By using the preparation, a plurality of medium trace elements necessary to the growth of crops can be provided; by replenishing a certain quantity of beneficial bacteria into soil, the growth and reproduction of harmful bacteria are suppressed; protective barriers are formed on root systems, so that soil-borne disease is reduced to the maximum extent; beneficial microorganisms continuously secrete active substances such as auximone and amino acids, so that rooting is promoted greatly; various nutrients in soil can be activated and supplied to crops for absorbing and utilizing; moreover, by using the preparation together with an organic fertilizer, the granular structure of soil is changed, and soil hardening is eliminated. By adopting the preparation, the soil becomes loose, the number of roots is increased, bacteria are reduced, and continuous cropping can be resisted effectively.

The invention discloses a method for preparing nitrogen and potassium containing super absorbent resin by utilizing a carboxymethyl sunflower disc. The method for preparing the nitrogen and potassium containing super absorbent resin by utilizing the carboxymethyl sunflower disc is characterized by comprising the following steps: mixing a certain amount of sodium hydroxide solution with sunflower disc powder in a three-opening bottle, soaking, so that the sunflower disc is fully swelled; dropwise adding the sodium hydroxide solution into the mixture, stirring for 1 hour in a water bath kettle at the temperature of 30 DEG C, then dropwise adding a sodium monochloroacetate solution in reaction mixture, carrying out reaction for 2 hours, then pouring the mixture after reaction is finished into a stainless steel disc, carrying out reaction in a drying oven, washing with 70% ethyl alcohol after drying is finished, then drying, and smashing, so that the carboxymethyl sunflower disc is obtained; uniformly mixing acrylic acid and potassium acrylate, acrylamide, the carboxymethyl sunflower disc, potassium persulphate, N,N'-methylene bisacrylamide and deionized water, protecting by adopting nitrogen, heating in water bath and stirring, stopping stirring at a polymerization temperature, continuously heating, insulating and carrying out reaction for 2 hours in boiling water bath, stopping introduction of nitrogen, taking out reactants, placing the reactants into a blast drying oven at the temperature of 40-60 DEG C to be dried to constant weight, and smashing, so that the nitrogen and potassium containing super absorbent resin product is obtained.

The invention discloses a mineral-based organic soil conditioner, which comprises 5-15% of an ore mixture, 10-25% of a natural fiber mixture, 25-42% of an inorganic salt mixture, 5-10% of an organic mixture and 2-8% of an auxiliary agent. According to the invention, a plurality of organic substances and inorganic substances are combined and processed so as to integrally increase soil organic matter, adjust soil pH value, enhance the soil buffer capacity, significantly increase the soil water stability aggregate content, improve the water erosion resistance of soil, correspondingly reduce the water and soil loss, change the soil aggregate structure, increase the soil capillary pores and non-capillary pores, reduce the soil volume weight, increase the soil air permeability, increase the saturated water conductivity, improve the water retention and storage capacity, reduce evaporation and effectively improve the rainfall utilization efficiency.

The invention relates to the field of organic fertilizer, in particular to a special organic fertilizer for the rice grain setting stage and a preparation method thereof. The special organic fertilizer is prepared from, by weight, 45-55 parts of straw, 8-10 parts of bean pulp, 6-8 parts of cottonseed meal, 3-5 parts of mushroom residues, 4-6 parts of lignin residues, 1-2 parts of bran, 8-10 parts of rice chaff, 3-5 parts of fish meal, 2-4 parts of licorice powder, 1-3 parts of mineral additives, 0.5-1 part of microelements and 5-10 parts of amino acid. The organic fertilizer contains a large amount of organic matter, the capability of the organic fertilizer for improving, activating, loosening and changing the granular structure and physical and chemical properties of soil can be exerted, and the water and fertilizer reservation capability of soil can be improved; various mineral microelements needed in the grain setting stage can be provided, the special organic fertilizer has the fast-acting property of chemical fertilizer, and various physiological diseases caused by microelement deficiency in the grain setting stage can be prevented and treated, so that other diseases are reduced, rice grows robustly in the whole grain setting stage, and a good foundation is laid for increase of the final yield per mu.

The invention relates to a preparation method of a rooting synergist major-element liquid water-soluble fertilizer. The preparation method comprises the steps that a rooting agent and a wetting emulsifying agent are added into a stirring kettle containing a rooting synergist according to a certain mass ratio, after the materials are stirred to be uniform, stirring is started and a thickening agent is slowly added at the temperature of 20 DEG C to 85 DEG C, stirring is conducted till the thickening agent is completely dissolved, the mixture is cooled to room temperature, a rooting synergist with the rooting effect is obtained, the rooting synergist with the rooting effect is added into a major-element liquid water-soluble fertilizer, the materials are stirred to be uniform, and the rooting synergist major-element liquid water-soluble fertilizer is obtained. According to the preparation method, growth of a plant root system is stimulated while the fertilizer utilization ratio is increased, and the purpose of maximally increasing the yield is achieved by combining internal causes and external causes which influence plant nutrition absorption.

The invention relates to the technical field of biotechnology, in particular to a liquid bacterial agent capable of reducing soil-borne diseases, promoting rooting and resisting continuous cropping. The liquid bacterial agent is prepared from the following raw materials in parts by weight: 3 to 20 parts of amino acid, 0.01 to 1 part of brassinolide, 0.2 to 20 parts of pyrimidine nucleoside antibiotics, 0.2 to 10 parts of indolebutyric acid, 0.1 to 10 parts of naphthylacetic acid, 0.2 to 10 parts of zinc and 0.2 to 10 parts of magnesium. The bacterial agent disclosed by the invention can achieve the effects of reducing the soil-borne diseases, promoting fast rooting of vegetables, promoting the growth of strong seedlings and improving the transplanting survival rate, and has the advantagesof fast green returning and disease resistance; the yield is increased by 5 to 8 percent or higher.