31results about How to "Does not cause salinization" patented technology

The invention discloses a fermented organic fertilizer. The fermented organic fertilizer comprises the following components in parts by mass: 1000-1500 parts of stalk, 1000-1300 parts of chicken manure, 1000-1500 parts of cattle manure, 800-1200 parts of pig manure, 1200-1800 parts of soybean meal, 35-50 parts of a microbial agent, 10-20 parts of peat humic acid, 50-80 parts of corn meal, 60-90 parts of composite enzyme preparation and 30-60 parts of complex bacteria. The invention also discloses a fermentation method of the fermented organic fertilizer. As the method adopts the microbial bacteria and the composite enzyme preparation, the fermentation efficiency is improved, the fermentation time is effectively reduced, the consumption amount of water, electricity and steam is reduced, the production cost is lowered, and the method is suitable for industrial large-scale production; the fermented organic fertilizer disclosed by the invention has no malodor when used in fields, is cost-saving due to the reduction in the consumption, does not result in soil impoverishment, hardening and salinization, and meets the trend of energy-saving, environment-friendly and sustainable development.

The invention discloses an agrocybe cylindracea waste residues and livestock and fowl manure fermented organic fertilizer, a raw material formula of which comprises the following ingredients, by weight, 3000-3500 parts of agrocybe cylindracea waste residues, 400-600 parts of straw, 100-150 parts of plant ash, 120-300 parts of soil of humic acid, 150-200 parts of turf, 4000-5500 parts of chicken manure, 800-1200 parts of pig manure, 200-300 parts of wormcast, 160-200 parts of composite microbial inoculants and 80-120 parts of a complex enzyme preparation. According to the agrocybe cylindracea waste residues and livestock and fowl manure fermented organic fertilizer, organic wastes and agrocybe cylindracea waste residues are degraded. When the fermented organic fertilizer is used, there is no foul smell in the field, and consumption of the fertilizer can be reduced. Cost is saved, and depletion, hardening and salinization of soil will not be caused. The agrocybe cylindracea waste residues and livestock and fowl manure fermented organic fertilizer conforms to the trends of energy conservation, environmental protection and sustainable development.

The invention discloses an ecological organic fermented fertilizer which comprises the following components in parts by mass: 1,200-1,800 parts of crop waste, 2,500-4,000 parts of composted excrement, 1,600-2,000 parts of river mud, 1,200-1,600 parts of cake meal, 800-1,200 parts of bentonite, 300-600 parts of waste oil residue, 80-200 parts of corn flour, 800-1,200 parts of waste fungus spores and 100-140 parts of microbial fermentation bacterial agent. In the organic fertilizer disclosed by the invention, the damage on the crops and seed germination caused by diseases and pests and the influence on the purity and quality of agricultural products after fertilization are avoided; when in use, foul smell in the field is avoided, the dosage of chemical fertilizer is reduced, the cost is saved, and the soil depletion, hardening and salinization are avoided; after use, the soil fertility is improved, the immunity of agricultural and forestry crops is enhanced, the grain yield increase is realized, and the trends of energy saving, environmental protection and sustainable development are met.

The invention discloses a saline and alkaline soil improvement agent including a soil loosening agent. The saline and alkaline soil improvement agent comprises 120-180 parts of the soil loosening agent, 250-400 parts of a soil improving organic fertilizer, 160-200 parts of rhamnolipid, 120-160 parts of a blue alga decomposition accelerator, 80-120 parts of hydroxyethyl cellulose, 30-60 parts of potassium dihydrogen phosphate, 8-20 parts of potassium dihydrogen phosphate, 800-1200 parts of water and 10-14 parts of a microbial fermentation agent. The saline and alkaline soil improvement agent including the soil loosening agent improves the soil structure, increases the air permeability of soil and supplements organic matters; and the saline and alkaline soil improvement agent can be combined with common chemical improvements in the prior art to realize ion change of sodium ions in oil in order to reduce alkalis and remove salts, so the saline and alkaline soil is thoroughly improved without replacing soil, and the saline and alkaline soil improvement agent can be used in agricultural production.

The invention relates to a snow-melting agent, in particular to an environment-friendly snow-melting agent and a preparation method thereof. The environment-friendly snow-melting agent comprises, by weight, 10-60 parts of water, 1-5 parts of ethyl alcohol, 0.3-0.5 part of saccharose, 0.1-1.0 part of isosorbide, 0.1-10 parts of ethanediol, 0.5-50 parts of glycerine, 0.1-1 part of acesulfame, 0.5-5 parts of sodium tripolyphosphate, 0.1-1 part of aspartame, 0.5-1 part of sodium hexametaphosphate, 0.1-30 parts of methyl alcohol and 0.5-1 part of threitol. The snow-melting agent prepared through the method is very high in snow melting efficiency, convenient to transport, safe to use and store, convenient to spray, low in use labor intensity, small in labor cost, small in dosage, high in snow melting speed and free of residues, does not pollute water resources, does not corrode buildings or pavements, does not do harm to plants or aquatic animals, does not destroy the pH value of soil and does not cause salinization of the soil.

The invention discloses a fruit whitening agent composition and application thereof for preventing sunburn, holding water, preventing insects and preventing diseases. The whitening agent composition comprises the following content components: 0.01-10% of film forming agent, 0.01-40% of filler, 0.01-5% of white pigment, 0.1-2% of long carbon chain quaternary ammonium salt, 0.01-1% of suspension flow agent, and the balance water. The whitening agent composition is applied to orchard fruit whitening, sunscald and other pests and diseases are controlled through whitening, and the whitening agent composition is especially applied to sunscald and pest and disease control of honey murcott. The fruit whitening agent composition is environmentally friendly, has good food safety, stable quality, good rainwater scouring resistant effect and convenient use.

The invention discloses a plant and charcoal combined soil repairing agent. The soil repairing agent is prepared from the following components in parts by mass: 120-180 parts of plant residues, 250-400 parts of charcoal, 160-200 parts of nano-carbon, 120-160 parts of nano-calcium carbonate, 80-120 parts of celery residues, 30-60 parts of wood vinegar, 8-20 parts of algae residues, 800-1200 parts of fertilizer adjuvant and 10-14 parts of microbial fermentation strain. The plant and charcoal combined soil repairing agent is convenient to use, can be used for deeply improving the soil property when being mixed in soil; and the conditioner has multiple beneficial microbes participating in crop growth along with good efficacy. After the soil repairing agent is used, soil is improved, soil fertility is improved, the immunity of crops is improved, and grain yield increase is realized.

The invention discloses a soil remediation biochar improved material. The improved material comprises the following raw materials: biochar, humic acid, a microbial agent, amino acid, ammonia peat soil, diatomite, chitosan, activated carbon fiber, polyacrylamide, turfy soil, an organic fertilizer and sodium polyacrylate. The invention further discloses a preparation method of the improved material, the improvement effect on soil is improved by modifying the biochar, meanwhile, the organic fertilizer is added, so that the fertility of the improved material is improved, the use amount of the chemical fertilizer is reduced, the cost is saved, soil depletion, hardening and salinization cannot be caused, and the trend of energy conservation, environmental protection and sustainable development is met.

The invention discloses a secondary salinization land improvement nutrient based on phosphorus agents. The secondary salinization land improvement nutrient comprises the following components in parts by mass: 120-180 parts of crop wastes, 250-400 parts of rotten feces, 160-200 parts of nanocarbon, 120-160 parts of nano calcium carbonate, 80-120 parts of purple coneflower leaf residues, 30-60 parts of wood vinegar, 8-20 parts of azotobacter chroococcum, 800-1200 parts of fertilizer polymerizer and 10-14 parts of microorganism fermenting agents. The secondary salinization land improvement nutrient based on phosphorus agents provided by the invention is convenient to use and capable of deeply improving the soil properties when applied to soil. Due to use of microbial phosphate-solubilizing preparations, the soil improvement is facilitated, and the utilization rate of phosphorus in soil is improved.

The invention discloses a multifunctional ecological organic liquid fertilizer and a preparation method thereof, and belongs to the technical field of liquid fertilizers. The multifunctional ecological organic liquid fertilizer provided by the invention comprises the following raw materials in parts by weight: 100 to 200 parts of soybean dregs, 100 to 200 parts of breeding industry waste, 5 to 10parts of brown sugar, 50 to 100 parts of fulvic acid, 50 to 100 parts of monopotassium phosphate, 10 to 20 parts of sodium glutamate, 10 to 20 parts of magnesium sulfate, 1 to 5 parts of nano composite material, 1 to 5 parts of melatonin, 1 to 5 parts of karrikins and 800 to 1000 parts of water. The multifunctional ecological organic liquid fertilizer can synergistically exert the effects of preventing diseases and improving stress resistance and nutrition, provides technical support for preventing and treating diseases, improving stress resistance of plants and increasing crop yield, and canbe used as a liquid fertilizer for vegetables, fruits, flowers and ornamental plants in gardens.

The invention discloses a liquid conditioning agent improving a soil structure of a secondary salinization land. The liquid conditioning agent is prepared from the following raw materials in parts by mass: 120 to 180 parts of crop waste pulp, 250 to 400 parts of decomposed excrement, 160 to 200 parts of nano carbon, 120 to 160 parts of scenedesmus obliquus decomposition agent, 80 to 120 parts of tealeaf residues, 30 to 60 parts of EDTA-Zn, 8 to 20 parts of azotobacter chroococcum, 800 to 1200 parts of water and 10 to 14 parts of microorganism fermenting agent. The liquid conditioning agent can reduce the salt content of soil, the pH value of the soil and the volume weight of the soil, can effectively increase permeable holes of the soil, can improve the water retaining capacity of the soil, can increase the content of microorganisms in the soil, and can greatly and comprehensively improve the fertility of the soil; and after the liquid conditioning agent is used, the soil fertility is improved, the immunity of crops of agriculture and forestry can be improved, the grain yield is increased, and the energy-saving, environment-friendly and sustainable development trend can be accorded with.

The invention relates to the field of fertilizers and particularly relates to a flammulina velatipes fungus waste residue and livestock and fowl manure fermented organic fertilizer. The flammulina velatipes fungus waste residue and livestock and fowl manure fermented organic fertilizer is prepared from the following components in parts by weight: 20-25 parts of straws, 10-20 parts of sawdust, 10-12 parts of expanded perlite powder, 1-2 parts of a nitrification inhibitor DMPP (Dimethyl-phenyl-piperazinium), 0.3-0.5 part of tea saponin, 300-350 parts of flammulina velatipes fungus waste residues, 10-15 parts of plant ash, 12-30 parts of humic acid soil, 15-20 parts of grass carbon, 400-550 parts of fowl manure, 80-120 parts of pig manure, 20-30 parts of earthworm cast, 16-20 parts of a microorganism compound bacterium agent and 8-12 parts of a compound enzyme preparation. The flammulina velatipes fungus waste residue and livestock and fowl manure fermented organic fertilizer provided by the invention takes the flammulina velatipes fungus waste residues, the fowl manure, the pig manure and the earthworm cast as main raw materials; after the raw materials are fermented by the microorganism compound bacterium agent and the compound enzyme preparation, injurious insects and harmful bacteria are subjected to enzyme activation and organic wastes and the flammulina velatipes fungus waste residues are degraded; when the flammulina velatipes fungus waste residue and livestock and fowl manure fermented organic fertilizer is used, the use amount of chemical fertilizers can be reduced, so that the cost is saved, and soil depletion, hardening and salinization and alkalinization are not caused; and an energy-saving, environment-friendly and sustainable development trend is met.

The invention discloses a humic acid multi-element compound mixed phosphate fertilizer. The humic acid multi-element compound mixed phosphate fertilizer comprises the following components in parts by mass: 80-120 parts of diammonium phosphate, 120-150 parts of polypeptide potassium L-aspartate, 240-280 parts of nano calcium carbonate, 70-100 parts of phosphogypsum, 20-40 parts of purple coneflower leaf residue, 30-50 parts of humic acid, 8-20 parts of cremart, 80-120 parts of multi-element compound fertilizer, 10-14 parts of microbial fermentation inoculum and 30-50 parts of microbial phosphate-solubilizing preparation. The humic acid multi-element compound mixed phosphate fertilizer provided by the invention is very convenient to use; and after being applied to soil, the property of the soil can be deep improved. The microbial phosphate-solubilizing preparation is used in the invention, thereby being beneficial to improving the soil and increasing the utilization ratio of the phosphorus element in the soil.

The invention discloses a method for planting ziziphus jujuba in a saline-alkali land. The method comprises the following steps: S1, seedlings are obtained, wherein ziziphus jujuba seeds are used for cultivating rootstock seedlings for grafting seedlings of needed varieties, and the obtained seedlings are cultivated in a seedbed for later use; S2, land selection and land preparation are carried out; S3, transplanting is carried out; S4, fertilizer and water management is carried out, and S5, pruning and trimming are carried out. According to the method for planting ziziphus jujuba in the saline-alkali land, before ziziphus jujuba tree planting, planting soil is fertilized, such that the fertility of the planting soil is effectively improved, and the environment of the saline-alkali land is ameliorated. A good condition is provided for the healthy growth of planted ziziphus jujuba trees. During a ziziphus jujuba tree growth period, pests and diseases are reduced, fertilizer dose is reduced, and pesticide uses are less. Ziziphus jujuba tree planting cost is reduced, and pesticide pollution to the environment is reduced.

The invention discloses a preparation method of a chloride-free, composite and environment-friendly snow-melting agent and belongs to the technical field of snow-melting agent preparation. According to the method, traditional Chinese medicine decoction dregs are smashed, carbonized and acid-dipped to obtain modified traditional Chinese medicine decoction dregs, then wheat is liquified and saccharified to obtain saccharifed liquid, the saccharifed liquid is prepared into a fermenting culture medium, saccharomycetes and acetic acid bacteria are inoculated to perform fermenting culture, the fermenting liquid is sterilized and then is added into egg shells to perform heating reaction, the fermenting liquid rich in calcium nitrate can be generated and finally is mixed with the traditional Chinese medicine decoction dregs, and adsorption is performed to obtain the chloride-free, composite and environment-friendly snow-melting agent. The method utilizes the modified traditional Chinese medicine decoction dregs to absorb the fermenting liquid rich in calcium nitrate, makes the snow-melting acting time long, meanwhile has the advantages of being low in freezing point and high in snow-melting rate, and the agent almost does not corrode metals, concrete and bituminous pavement, is non-harmful to plants and has wide application prospect.

The invention relates to a novel and environment-friendly snow-melting agent and a preparation method thereof and belongs to the technical field of snow-melting agents. The snow-melting agent mainly comprises raw materials in parts by weight as follows: 2-14 parts of garlic juice, 3-12 parts of plant ash, 20-60 parts of formate, 1-8 parts of sodium bicarbonate, 0.05-1.2 parts of polycarboxylic acid, 0.1-1.9 parts of ammonium dihydrogen phosphate and 0.05-3.5 parts of glycolic acid. According to the novel snow-melting agent, the raw materials are easy to obtain and the cost is low. The snow-melting agent is high in snow melting efficiency, the problem that traditional snow-melting products corrode road and ridge reinforcing steel bars is solved, and effects and damage caused by the snow-melting agent on roads and the environment are reduced to the greatest extent.

The invention discloses a novel ecological parking lot pavement structure which sequentially comprises a turf layer, an HCW honeycomb constraint layer, a crushed-rock layer and a plain soil compaction layer from top to bottom, wherein geotextile layers are respectively arranged on the upper surface and the lower surface of the crushed-rock layer. The novel ecological parking lot pavement structure has the advantages of being long in service life, easy to maintain, permeable and moist, and is capable of precipitating dust, absorbing CO2, releasing O2, forming carbon sink and playing a role in reducing emission amount of C.

The invention discloses a water-soluble secondary salinization land soil fertility restoration agent. The restoration agent is prepared from, by mass, 120-180 parts of a phosphate buffer solution, 250-400 parts of soil improvement organic fertilizer, 160-200 parts of nano-calcium carbonate, 120-160 parts of a blue alga decomposition accelerator, 80-120 parts of scindapsus aureus, 30-60 parts of EDTA-Mg, 8-20 parts of monopotassium phosphate, 800-1,200 parts of water and 10-14 parts of a microbial fermentation bacterial agent. According to the water-soluble secondary salinization land soil fertility restoration agent, the humification degree and the harmless degree are high, an obtained fertilizer contains multiple beneficial microorganisms participating in crop growth and has good potency, and after the fertilizer is used, soil is improved, the soil fertility is improved, the immune capability of agricultural and forestry crops is improved, and grain yield increasing is achieved.

An environmentally friendly cleaning agent is disclosed. The cleaning agent includes, by mass, 5-12 parts of a sodium hydroxide solution, 8-18 parts of silicone oil, 12-20 parts of glycerol monostearate, 9-12 parts of sodium nitrate, 10-16 parts of tetraethyl orthosilicate, 3-7 parts of lemon essential oil, 4-5 parts of orange oil, 6-9 parts of silica sol, 1-2 parts of a surfactant, 1-3 parts of an antifreezing agent, 20-35 parts of ethanol and 60-90 parts of deionized water. The cleaning agent effectively avoids environment pollution, does not cause soil salinization or corrosion, is more environmentally friendly and meets demands of sustainable development of the present society.

The invention discloses a fermentation liquid fertilizer suitable for drop irrigation of greenhouse crops. The fermentation liquid fertilizer is prepared from the following raw materials in parts by weight: 65 to 80 parts of fish soluble, 8 to 15 parts of poultry manure, 3 to 6 parts of peanut press pulp, 8 to 12 parts of phosphate fertilizer, 0.8 to 1.2 parts of potassium dihydrogen phosphate, and 1.8 to 2.2 parts of EM original dew, wherein the fermentation liquid fertilizer obtained by fermenting the raw materials by using the EM original dew contains protein, nitrogen, phosphorus and potassium, a plurality of types of vitamins and microelements, and has a good effect of promoting the growth of the crops. The fermentation liquid fertilizer belongs to liquid fertilizers, can be used for drop irrigation or spray irrigation in a greenhouse after being diluted, and achieves the functions of low use level, good effect, convenient operation and uniform fertilization.

The invention discloses a liquid fertilizer for increasing the rice yield and a preparation method thereof, and belongs to the technical field of liquid fertilizers. The liquid fertilizer comprises the following raw materials in parts by weight: 100 to 200 parts of fulvic acid; 50 to 100 parts of humic acid, 1 to 2 parts of zinc sulfate, 100 to 150 parts of mono-potassium phosphate, 2 to 5 parts of salicylic acid, 20 to 40 parts of sodium glutamate, 100 to 200 parts of soybean dregs, 5 to 10 parts of a nano composite material, 1 to 5 parts of melatonin, 1 to 5 parts of karrikins and 800 to 1000 parts of water. According to the liquid fertilizer, endogenous hormones, exogenous ester substances and various nutrient substances capable of preventing rice diseases are combined; and the nano composite material is used as a carrier, so that multiple effective substances in the prepared liquid fertilizer are combined to exert the effects of disease prevention and nutrition, thereby providing technical support for increasing the rice yield and protecting the rice from diseases.

The invention relates to an environment-friendly snow-melting agent and a preparation method thereof, belonging to the technical field of snow-melting agents. The snow-melting agent mainly comprises the following raw materials in parts by weight: 5-35 parts of ginger juice, 2-8 parts of ionic liquid, 0.8-4.6 parts of n-butyl alcohol and 0.2-2.6 parts of ethyl acetate. The invention also provides the preparation method of the snow-melting agent. The preparation method comprises the following steps: (1) preparing the ginger juice; (2), (3) and (4) preparing the snow-melting agent. The novel snow-melting agent provided by the invention has the beneficial technical effects that the raw materials are easy to obtain; the cost is low; the snow-melting agent has high snow melting efficiency and conduces to solving the problem of corrosion of road and bridge reinforcements caused by traditional snow melting products; the impacts and damages of the snow-melting agent on roads and environments are furthest reduced; the snow-melting agent is applicable to the low-temperature environment at minus 50 DEG C and has a wider application range of environments.

The invention discloses a vegetable-fruit cultivation matrix which is composed of, by weight, 20-30 parts of modified bamboo charcoal, 14-15 parts of fermented bran, 3-5 parts of calcium carbonate, 20-25 parts of fermented bean meal, 10-12 parts of pleurotus eryngii residue, 3-4 parts of traditional Chinese medicine residue, 5-6 parts of vinegar residue, 20-25 parts of peat, 10-12 parts of perliteand 5-8 parts of coco coir. The preparation method includes: phosphoric acid activation, carbonization, bean meal fermentation, bran fermentation and compounding. The vegetable-fruit cultivation matrix has the advantages that the cultivation matrix contains rich nutritional elements, has high water retention ability and porosity is free of caking and salination, conducive to improving disease-resistant antibacterial ability to plants and high in efficiency and quality.

The invention discloses an organic-inorganic compound fertilizer capable of regulating acidity, supplementing magnesium and preventing plant yellowing and a preparation method thereof. The fertilizeris prepared from the following materials in percentage by mass: 40-50% of magnesium hydroxide, 1-5% of mesoporous magnesium oxide, 20-35% of molasses fermentation liquor, 1-5% of a trace element aminoacid chelate, 1-5% of hydrolyzed animal protein powder, 1-5% of coco coir, 1-3% of activated carbon and 1-5% of seaweed meal, wherein trace elements in the trace element amino acid chelate comprise iron, manganese, zinc and copper. The magnesium hydroxide used in the invention has a large specific surface area and can adsorb more nutrients; the fertilizer has a targeting effect, can promote ATP synthesis and promote plant growth and development, and has good acid regulating and magnesium supplementing effects; and the fertilizer further contains various trace elements, and can be well absorbed by plants through amino acid chelation so as to achieve a good anti-yellowing effect.

The invention relates to a snow-melting agent, in particular to an environment-friendly snow-melting agent and a preparation method thereof. The environment-friendly snow-melting agent comprises, by weight, 10-60 parts of water, 1-5 parts of ethyl alcohol, 0.3-0.5 part of saccharose, 0.1-1.0 part of isosorbide, 0.1-10 parts of ethanediol, 0.5-50 parts of glycerine, 0.1-1 part of acesulfame, 0.5-5 parts of sodium tripolyphosphate, 0.1-1 part of aspartame, 0.5-1 part of sodium hexametaphosphate, 0.1-30 parts of methyl alcohol and 0.5-1 part of threitol. The snow-melting agent prepared through the method is very high in snow melting efficiency, convenient to transport, safe to use and store, convenient to spray, low in use labor intensity, small in labor cost, small in dosage, high in snow melting speed and free of residues, does not pollute water resources, does not corrode buildings or pavements, does not do harm to plants or aquatic animals, does not destroy the pH value of soil and does not cause salinization of the soil.

The invention discloses a method for preparing a greening fertilizer from kitchen garbage, wherein the method includes the steps of pre-treatment, desalting and deoiling, aerobic fermentation and post-treatment and particularly includes the steps: carrying out sorting and impurity removal of the kitchen garbage, desalting and deoiling, then adding a microbial agent, carrying out aerobic fermentation, and carrying out mixed granulation with functional bacteria to obtain the greening fertilizer. The method has the beneficial effects that the amount of waste is reduced, and the fertilizer is alsorich in substances such as organic matters, amino acids, organic-state nitrogen, phosphorus and potassium, medium and trace elements and the like essential for plant growth; moreover, the fertilizerhas the effects of carbon fixation and water retention, and can also increase the retention of soil nutrients, reduce the soil bulk density and increase the porosity. Therefore, the greening fertilizer is a high-efficiency and environmental-protection greening fertilizer.

The invention belongs to the field of compound fertilizers in agricultural production and particularly provides a compound fertilizer for preventing soil salinization. The compound fertilizer for preventing soil salinization comprises, by mass, 20-30 parts of cow dung, 10-15 parts of chicken manure, 5-10 parts of rotted leaves, 70-80 parts of black soil, 30-50 parts of rice chaff, 20-30 parts of soybean straw, 2-5 parts of phosphate fertilizer and 1-2 parts of ferric sulfate. The compound fertilizer for preventing soil salinization contains a large number of organic matter, is stable and long-term in fertilizer efficiency, enables production and income to be increased, enables nutrient utilization rate to be improved and enables the physical and chemical properties of soil to be improved.

The invention provides water soluble fertilizer capable of improving grape sweetness and an applying method. The water soluble fertilizer is composed of, by mass, 10-50 parts of urea, 10-300 parts of monopotassium phosphate, 10-700 parts of potassium nitrate, 1-10 parts of calcium chelate, 1-10 parts of magnesium chelate, 1-5 parts of manganese chelate,1-7 parts of zinc chelate, 1-10 parts of polyborate, 1-2 parts of sodium molybdate, 1-3 parts of chitosan oligosaccharide, 1-10 parts of potassium alginate, 1-5 parts of brown algae polysaccharides and 1-3 parts of gaseous phase silica anticaking agents. The water soluble fertilizer can substantially increase the sugar content of grapes, improve grape sweetness, increase the sugar-acid ratio and increase nutritive value and commodity value of the table grapes.

The invention provides a method for biologically improving saline-alkali soil, mainly by planting salt-tolerant plants such as alfalfa on the saline-alkali land to improve the saline-alkali land, improve the land utilization rate, and solve the harm of salinization to the land. Among them, physical, chemical and biological methods are used to comprehensively improve saline-alkali land, and through deep plowing and subsoiling, biological fertilizers, microbial agents, and alfalfa planting, rationally discharge salt and prevent salt return; and use acidity regulators to reduce the salinity and pH value, in order to facilitate the growth of alfalfa, to achieve the effect of bioremediation of saline-alkali land.

The invention discloses a nitrogen fixation amino acid multi-element dressing fertilizer. The nitrogen fixation amino acid multi-element dressing fertilizer is characterized in that the nitrogen fixation amino acid multi-element dressing fertilizer is prepared from the following components in parts by mass: 21% to 25% of powdery urea, 7% to 9% of ammonium sulfate, 24% to 28% of ammonium chloride, 16% to 18% of potassium chloride, 12% to 15% of amino acids, 4% to 7% of a medium element composition, 0.3% to 0.6% of a trace element composition, 3% to 5% of an adhesive and 1% to 3% of a nitrogen fixation fungicide, wherein the weight ratio of powdery urea, ammonium sulfate to ammonium chloride is 3: 1: 3.5. Chelation is carried out on the amino acids, the medium element composition and the trace element composition through magnetization and stirring, other preparation ingredients are added, and after palletizing and low-temperature drying, the nitrogen fixation amino acid multi-element dressing fertilizer is prepared. According to the fertilizer disclosed by the invention, the absorption and utilization of crops for nitrogen, mineral elements and the amino acids can be improved, the crop yield, lodging resistance and capacity for preventing plant diseases and insect pests are improved, and the growth of a root system and crops is promoted.