99results about How to "Preventing Soilborne Diseases" patented technology

The invention provides a microbial straw rotting agent, which adopts the strains having mutual synergistic action without generating antagonistic action as production strains: cellulase preparation, Fomes annosus, Bacillus subtilis, Thermobifida fusca, Bacillus pumilus and Saccharomyces cerevisiae. The microbial straw rotting agent has high decomposition effect on the main components of the straws, has biological control function, and can inhibit growth of crop sheath blight, rice blast, wheat root rot, strawberry gray mold and other pathogens. The product has the advantages of short manufacturing period, high production efficiency and low cost, and is safe and convenient to use.

The invention relates to a bio-organic fertilizer and a method for preparing the bio-organic fertilizer which prevents and treatments soil insects. The bio-organic fertilizer is added with active bacteria and other nutrition bacterial genus, wherein the active bacteria and other nutrition bacterial genuses can prevent and treat soil insects. The bio-organic fertilizer comprises biological agents and organic fertilizers, wherein the microbial agents comprise bacterial colonies of Japanese beetle bacilli, withered grass bacilli, enormous bacilli, jelly-formed bacilli, brown ball nitrogen-fixing bacteria and bacillus licheniformis. The Japanese beetle bacilli are the main type of bacterium which prevents and treats soil insects and other types of bacteria are mainly used for fixing nitrogen, decomposing phosphorus, decomposing potassium, and preventing and treating soil-borne diseases. The organic fertilizer comprises livestock and poultry manure and edible mushroom dregs. The livestock and poultry manure and the edible mushroom dregs are mixed, ferment and are thoroughly decomposed, the microbial agents are added and the bio-organic fertilizer is prepared. The bio-organic fertilizer and the method for preparing the bio-organic fertilizer which prevents and treatments soil insects can effectively kill larvas of soil insects. Bacterial colonies of microorganisms grow by fixing nitrogen, decomposing phosphorus and decomposing potassium, the structure of soil is improved, the organic content of soil is improved, the quality of crops is improved and the crop yield is improved.

The invention provides a compound conditioner suitable for heavy metal pollution of northern alkaline soil. The compound conditioner comprises biochar, organic fertilizers, microbial agents and phosphate rock powder, wherein a mass ratio of the biochar to the organic fertilizers to the microbial agents and the phosphate rock powder is (40-65): (30-50): (3-5):(10-25). On account of physical and chemical properties of the northern alkaline soil and characteristics of heavy metal elements, the invention provides the compound conditioner having functions of improving the physical and chemical properties of soil, preventing and treating soil-borne diseases and passivating heavy metals cadmium and lead, as well as a preparation method and a use method of the compound conditioner on the basis ofa current passivation technology by utilizing adsorptive precipitation performance of the biochar, the organic fertilizers and the phosphate rock powder and bacteria inhibiting, phosphorus decomposingand heavy metal passivating capacities of bacilli.

The invention relates to a method for recyclingly producing a trichoderma sp. biological control agent from potato starch waste water and mushroom residues and belongs to the technical field of microbial pesticides and environmental protection. The method adopts high-concentration organic wastewater produced in potato starch production and mushroom residues as main medium raw materials and utilizes a liquid state-solid state combined fermentation production method to produce the trichoderma sp. biological control agent. The method comprises the following steps of 1, inoculating potato starch wastewater as a culture medium with a trichoderma sp. strain and carrying out liquid-state culture to obtain a liquid strain, 2, inoculating potato starch waste water as a fermentation raw material with the liquid strain to obtain a large number of liquid trichoderma sp. products, 3, adding the cultured liquid strain or the liquid trichoderma sp. products into mushroom residues, and carrying out solid state fermentation to obtain solid trichoderma sp. products, and 4, carrying out drying, crushing and packaging of the solid trichoderma sp. products. The method for producing trichoderma sp. biological control agent has the characteristics of low production cost and good environmental benefits. The trichoderma sp. biological control agent obtained by the method can control a plurality of fungal diseases of plants. The method provides an effective treatment approach for high-efficiency treatment on potato starch wastewater and mushroom residues, and reduces environmental pollution.

The invention relates to the technical field of soil conditioners and particularly relates to a soil heavy metal biological fixing agent and an application method thereof. The formula of the soil heavy metal biological fixing agent is that every one kilogram of an organic fertilizer is added with 2-10 g (109 CFU / g) of B. natto solid leavening agent, 2-10 g (109 CFU / g) of B.mucilaginosus solid leavening agent, 2-6 g (109 CFU / g) of B.megaterium solid leavening agent and 4-10 g (1010 CFU / g) of Trichoderma koningii solid leavening agent, wherein the main ingredients of the biological organic fertilizer contain more than 40% of organic matter, more than 20 million / g of effective viable count, and more than 5% of total nutrient. The soil heavy metal biological fixing agent is low in cost, has few environmental risks, remarkably reduces the absorption of the heavy metals of the crops, improves the soil fertility, effectively prevents and cures the soil-borne diseases and increases the economic benefit of the crops.

The invention discloses a novel industrial breeding matrix, which comprises the following components in percentage by weight: 13.8 to 14.2 percent of mycorrhizal fungi, 66 to 69 percent of turf, 3.4 to 4.6 percent of amino acid organic fertilizer, 6.9 to 8.1 percent of pearlite, 6.5 to 7.5 percent of vermiculite, and 0.25 to 0.48 percent of trianum. The mycorrhizal fungi, the trianum and the amino acid organic fertilizer are added into the traditional matrix, so that the breeding matrix can better promote crops to absorb nutrient elements, such as water, phosphorus, potassium, Zn, Cu and the like, and cultures high quality strong seedlings without germs and poisons, and has the advantages of high livability of the seedlings, short seedling stage of the seedlings, greater economic benefit, capability of saving cost of the seedlings and seeds.

The invention also relates to a microorganism fertilizer. The composite microorganism preparation comprises the components based on the volume ratio: 5-15% of photosynthetic bacteria, 10-20% of bacillus subtilis, 15-35% of saccharomycete, 25-45% of thermophilic bacillus and 3-15% of actinomycete. The invention also relates to the application of the microorganism fertilizer in the aspects of improving the resistance of seeds, preventing plant diseases and insect pests, purifying the water quality of rice field and increasing the rice production, and a using method thereof. The invention also relates to the application of the microorganism fertilizer in the aspect of accelerating rice stubble rotten degree, and a using method thereof.

A construction method for antagonistic Trichoderma-Brassica napus joint adsorption of heavy metals cadmium and zinc in farmland soil in the field of metal adsorption technology, by inoculating bacterial agents prepared by adsorbing heavy genus antagonistic Trichoderma strains to bacteria containing Cd or Zn and Sclerotinia sclerotiorum The soil of the wheat grain culture is further used to cultivate Brassica napus and obtain the Trichoderma-rape symbiont with high efficient adsorption of heavy metals. The invention realizes the dual purposes of bioremediation of heavy metal pollution in farmland soil and treatment of soil-borne diseases, has good repair effect, low cost, is easy to manage and operate, and does not produce secondary pollution, so it has high universal use value in the field.

The invention provides a method for preparing a biological fertilizer capable of effectively overcoming continuous cropping obstacles by using agricultural organic wastes and a composite microbial inoculant, belonging to the fields of agricultural organic waste harmless treatment and utilization technique and biological control. The biological organic fertilizer is prepared by mixing the following components in parts by weight: 600-800 parts of livestock / poultry manure, 200-400 parts of crop straw, 10-50 parts of crab shell powder and 5-10 parts of composite microbial inoculant. By fully utilizing the livestock / poultry manure and crop straws in crop farming, the biological organic fertilizer reduces the environmental pollution, recycles two types of agricultural organic wastes, and changes wastes into valuable substances. The biological organic fertilizer has favorable control effects on root knot nematode disease, epidemic disease, blight and the like of vegetables, and is capable of improving the soil, enhancing the soil fertility and increasing the crop yield.

The invention discloses a modifier for acidized bamboo soil, which comprises the following materials by weight percent: 45-55% of lime nitrogen, 20-30% of biomass carbon, 10-20% of calcium oxide, 5-10% of magnesium oxide and 5-10% of trace elements. The modifier for acidized bamboo soil provided by the invention is prepared by taking the lime nitrogen and biomass carbon as main parts and matchingwith the trace elements, is capable of repairing and treating the acidized bamboo soil, is capable of preventing and treating soil-borne pest and disease damage and balancing the requirement for the nutrition of the trace elements in bamboo, and has the three functions of 'acid-controlling, pest-treating and nourishing'. The modifier for acidized bamboo soil and the special fertilizer for the bamboo are applied together, so that the acidification of the bamboo soil is thoroughly eliminated, the repairing for the acidized soil is economically and efficiently realized, the soil-borne pest and disease damage is prevented and treated, the soil fertility is quickly increased and the yield and quality of the bamboo are increased.

The invention discloses a special polyelement microorganism fertilizer for preventing celery soft rot and a preparation method of the special polyelement microorganism fertilizer. The special polyelement microorganism fertilizer for preventing the celery soft rot comprises components of raw materials in parts by weight as follows: 0.8-1 part of bacillus amyloliquefaciens, 0.6-0.8 part of bacillus thuringiensis, 0.5-0.7 part of bacillus subtilis, 0.4-0.8 part of lactic acid bacteria, 1-3 parts of a matrix leavening agent, 30-35 parts of maize straw, 20-30 parts of turf, Chinese herbal medicinal ingredients and the like. The prepared special polyelement microorganism fertilizer for preventing the celery soft rot can reduce the morbidity of the celery soft rot greatly, a plant can grow more vigorously, the yield of celery is increased greatly, the quality is improved, probiotics in the soil are also increased, the fertilizer is pollution-free and low in residue, and the soil condition is improved greatly.

The invention discloses aerobic bacterium-anaerobic bacterium composite microbe liquid inocula and a preparation method thereof. The composite microbe liquid inocula comprise six liquid aerobic microbial agents and four liquid anaerobic microbial agents. The liquid aerobic microbial agents comprise a bacillus megaterium agent, a liquid Azotobacter chroococcum agent, a liquid bacillus mucilaginosus agent, a liquid streptomyces microflavus agent, a liquid bacillus subtilis agent and a liquid bacillus licheniformis agent. The liquid anaerobic microbial agents comprise liquid photosynthetic bacteria, a liquid lactobacillus plantarum agent, a liquid lactobacillus acidophilus agent and a liquid lactobacillus delbrueckii agent. The preparation method comprises culturing six types of aerobic bacteria to obtain six liquid aerobic microbial agents, culturing four types of anaerobic bacteria to obtain four mixed liquid anaerobic microbial agents, and injecting the six liquid aerobic microbial agents into the mixed liquid anaerobic microbial agents to obtain the composite microbe liquid inocula. The composite microbe liquid inocula have a quality guarantee period for one year or more at the normal temperature and have functions of nitrogen fixation, phosphate dissolution, potassium release, disease prevention and soil improvement.

The invention relates to a preparation method for a phosphite-chitosan oligosaccharide composite biological medical fertilizer. The phosphite- chitosan oligosaccharide composite biological medical fertilizer is prepared from phosphite, chitosan oligosaccharide and biomass vinegar in a weight ratio of 40-60 to 5-15 to 200-375; a combination technology is adopted to prepare the compound fertilizer which integrates the effects of pesticide and fertilizer into a whole and the preparation method comprises the following steps: preparing a chitosan oligosaccharide-biomass vinegar compound liquid; preparing a phosphite-biomass vinegar compound liquid; preparing the phosphite-chitosan oligosaccharide composite biological medical fertilizer. The phosphite-chitosan oligosaccharide composite biological medical fertilizer is a bio-fertilizer with double effect of pesticide and fertilizer and ability of both prevention and treatment; the medical fertilizer is free from residue and pollution, and is safe and environment-friendly; the medical fertilizer is not only a bio-fertilizer but also a bio pesticide; meanwhile, the fertilizer the fertilizer is also a situ repair agent for soil polluted by heavy metals.

The invention discloses a bio-organic fertilizer for preventing and treating soil-borne diseases. The bio-organic fertilizer is prepared from the following raw materials: a microbial inoculum, peanutoil pressing residues, corn starch, filter mud, beef extract, soybean cake, monopotassium phosphate, urea, molasses, potassium sulfate, water and the like. The microbial inoculum is composed of Bacillus polymyxa and further comprises any one or a mixture of more than one of Bacillus amyloliquefaciens, Bacillus mucilaginosus and Bacillus pumilus. The invention also provides a preparation method andan application method of the bio-organic fertilizer. The bio-organic fertilizer disclosed by the invention is also rich in organic carbon and organic nitrogen, so that the colonization and function exerting capabilities of functional microorganisms in soil are improved, the growth of pathogenic microorganisms is favorably inhibited, and soil-borne diseases such as root rot, bacterial wilt, seedling blight, damping-off, canker and root-knot nematode disease are effectively prevented. The use amount of chemical fertilizers and pesticides can be reduced, guiding significance is provided for production of harmless agricultural products, and good social benefits and economic benefits are achieved.

The invention relates to a green and efficient biological organic soil improvement agent, in particular to a novel composite biological soil improvement agent. The novel multifunctional composite biological soil improvement agent is characterized by being prepared by uniformly mixing the following raw materials in parts by weight: 20-40 parts of rhizopus stolonifer fermentation liquid, 20-40 parts of trichoderma viride fermentation liquid, 1.5-2.5 parts of water-soluble chitin and 1.5-4.5 parts of potassium fulvic. The soil improvement agent mainly has the functions that the photosynthesis capacity of plants can be enhanced, and the directional transportation of photosynthetic products is facilitated; the root growth is promoted, and the yield is increased by 20% to 30%; the fruits are attractive, the color is bright, and the content of sugar and vitamins is increased; the soil pH value is increased; acidified soil, hardened soil and salinity soil are improved; the soil nutrient is activated, and the soil fertility is released.

The invention relates to a method for producing a trichoderma biocontrol agent by taking sweet potato starch waste water and mushroom dregs as main raw materials, and belongs to the technical field of microbial pesticide and environmental protection. Trichoderma strains are the conventional farm-oriented biocontrol strains, such as trichoderma viride, trichoderma harziamum and trichoderma auxeoviride. The method for producing the trichoderma biocontrol agent comprises the following four steps of: preparing seeds, performing liquid fermentation, performing solid state fermentation and performing aftertreatment. According to the method, a solid microbial inoculum is prepared by taking the sweet potato starch waste water as a main carbon source and water of a fermentation culture medium and the mushroom dregs as a carrier of microbes. In the technical scheme, a new path is provided for the recycling of the high-concentration sweet potato starch waste water, and the produced trichoderma biocontrol agent can be applied in fields and has a good prevention and control effect on fungus diseases of multiple plants.

The invention relates to a method for preventing and treating Chinese wolfberry root rot and preventing root rot-caused dead trees. A composite microbial agent and a decomposed protein biological organic fertilizer act together to control the Chinese wolfberry root rot, and the use method comprises the following steps: applying the biological organic fertilizer base fertilizer formed by decomposing mushroom residues, to the planted Chinese wolfberry plant; and then applying the composite microbial agent to the planted Chinese wolfberry plant in the plant radius of 25 cm each year, wherein thecomposite microbial agent consists of a fermentation product of Bacillus amyloliquefaciens MES812 and a fermentation product of Bacillus subtilis MES810 in the volume ratio of 1: 1. The composite microbial agent and the decomposed protein biological organic fertilizer are mixed and used, so that the growth of pathogenic bacteria can be inhibited, the content of organic matters and mineral nutrients in the soil can be increased, the soil structure, the nutrient condition and the micro-ecological environment can be effectively improved, and the root rot-caused dead trees can be prevented, the survival rate of the Chinese wolfberry can be increased, the quality of the Chinese wolfberry can be improved, and the yield of the Chinese wolfberry can be increased.

The invention discloses a method for producing biological organic fertilizer by using methane liquid as a basic culture medium through fermentation. The method mainly comprises the following steps of: (1) preparing a fermentation medium; (2) preparing inclined bacterial strains of bacillus subtilis; (3) performing shaking culture on the inclined bacterial strains to obtain first-level seed liquid; (4) introducing the first-level seed liquid into a culture medium with SDAY to perform culture to obtain second-level seed liquid; (5) performing seed tank culture to obtain third-level seed liquid;and (6) introducing the obtained third-level seed liquid into a fermenting tank to perform amplification culture to obtain the biological organic fertilizer. In the method, the Xinjiang methane fermentation product methane liquid serves as the culture medium; and the organic fertilizer produced by fermenting in the culture medium can control soil-borne disease of commercial crops mainly comprising tomatoes and cotton, can promote growth of the economic crops, has low production cost and good effect, is applicable in Xinjiang, and is economic and practical.

The invention discloses composite microbial fluid fertilizer. The composite microbial fluid fertilizer is prepared by using biogas fluid obtained by carrying out anaerobic fermentation on hen manures of laying hens as a main raw material, compounding urea, potassium dihydrogen phosphate and microbial flora, and then mixing, dissolving, filtering, weighing and packing; the microbial flora is prepared from bacillus subtilis microbial agent and trichoderma aureoviride; the composite microbial fluid fertilizer is mainly prepared from the following raw materials in percentage by weight: 89.3 to 91.8 percent of biogas fluid obtained by carrying out anaerobic fermentation on the hen manures of the laying hens, 4 to 5 percent of the urea, 4 to 5 percent of potassium dihydrogen phosphate, 0.3 to 0.4 percent of the bacillus subtilis microbial agent and 0.2 to 0.3 percent of the trichoderma aureoviride. The invention also provides a preparation method of the composite microbial fluid fertilizer. The composite microbial fluid fertilizer disclosed by the invention is higher in fertilizer efficiency and security; the activity of soil microorganism can be quickly improved, heavy metal is degraded, soil-borne diseases are inhibited, and an indelible effect on development of crop roots and prevention and control of plant diseases and insect pests is achieved; moreover, the composite microbial fluid fertilizer can be widely applied to water and fertilizer integrated planting on crops such as a variety of grain crops, economic crops, and fruits and vegetables, and also can be used as spraying and water-jetting fertilizer applied to foliage.

The invention discloses a special compound microorganism fertilizer for preventing cymbidium anthracnose and a preparation method of the special compound microorganism fertilizer. The special compound microorganism fertilizer for preventing the cymbidium anthracnose comprises components in parts by weight as follows: 1-3 parts of bacillus megatherium, 3-5 parts of streptomyces jingyangensis, 6-10 parts of a microorganism polyelement bacteriostatic agent, 1000-1100 parts of an organic fertilizer, 350-500 parts of an inorganic fertilizer, 30-40 parts of a micro element fertilizer, 22-28 parts of an adhesion agent and 0.2-0.6 part of a stabilizing auxiliary. The prepared special compound microorganism fertilizer can reduce the morbidity of the cymbidium anthracnose greatly, and increase the quantity of probiotics in the soil; and the blooming duration time is longer, the blossom quantity is larger, and the blossom is larger and looks brighter when observed with the naked eyes.

The invention relates to a rapid returning method for production of bacterial manure from straws. The method comprises the steps: inoculating a liquid strain fermentation tank containing a fermentation medium with a spore aqueous solution of trichoderma asperellum strain T-A158 to ferment for 7-10 days to obtain a trichoderma asperellum fermentation liquid; mixing ferrous sulfate, ammonium molybdate, and the trichoderma asperellum fermentation liquid to prepare a trichoderma asperellum straw decomposed solution; spraying the trichoderma asperellum straw decomposed solution containing spores 1is multiplied by 10<7> spores / mL on straws and humic acid; the dosage being 30-40L per mu, spraying water and evenly arranging a layer of straws on the top, the thickness being 7-12 cm, making the final moisture content be 40-46 percent; covering with a mulch and fermenting at room temperature for 7-20 days; then directly plowing the land for cultication. The rapid returning method provided by theinvention can effectively alleviate the occurrence of pests and diseases in a greenhouse, increase the soil fertility in the greenhouse, solve the problem of disadvantages of nowhere to place the straws and returning the straws to the field, reduce the use of the fertilizer, increase the yield of the crop, improve the quality of the crop, and improve the soil environment.

The invention provides a compound fungicide comprising Trichoderma asperellum spore powder of and application thereof. The fungicide comprises the following components byweight: aculeatus, 2-30% of Trichoderma asperellum spore powder, 5-40% of a chemical fungicide, 5-10% of a surfactant and the balance of a carrier. The chemical fungicide is one of phenamacril, picoxystrobin, dimethomorph, cyazofamid, fluopicolide, hymexazol, propamocarb hydrochloride and thifluzamide; and the a surfactant comprises a dispersant and an active agent. The fungicide of the invention has the advantages of quick result, long duration and small amount, can effectively control soil-borne diseases of crops; and chemical fungicide and the surfactant in the product are repeatedly screened and have little influence on the activity of Trichoderma asperellum spore powder.

The invention discloses a biological antibacterial fertilizer for preventing and controlling soil-borne diseases of crops as well as a production process and an application of the biological antibacterial fertilizer. The production process comprises the steps of culturing to obtain bacillus cereus and pseudomonas choloeaphtis fermentation liquids, and inoculating the two fermentation liquids into cured livestock manure and straw according to a certain proportion to compost and ferment to form the biological antibacterial fertilizer for preventing and controlling soil-borne diseases of crops. The biological antibacterial fertilizer disclosed by the invention can be used for preventing and controlling vegetable botrytis cinerea and increasing the yield of vegetables, safe, pollution-free and easy to realize large-scale production.

The invention provides a compound fertilizer for preventing and treating a soil-borne disease and a preparation method thereof. The compound fertilizer mainly comprises a nitrogen fertilizer, calcium cyanamide, a phosphate fertilizer, a potash fertilizer, a soil fertilizer maintenance additive and trace elements. The compound fertilizer comprises major elements such as nitrogen, phosphorus, and kalium, middle elements such as calcium and sulfur, trace elements of zinc and boron and further comprises nutrition required by plant growth. After the application of the compound fertilizer, disease resistance of plants is improved obviously, so that a preventing and treating effect on a continuous cropping disease can be played, the purpose of slightly using, even not using agricultural chemicals can be achieved, and products reach the non-pollution standard; the product quality is improved; moreover, the compound fertilizer has a good hardening preventing effect, the preparation method and process are simple, the investment is less, and the benefits are good.

The invention provides a waste citrus green multistage cyclic utilization method. The waste citrus green multistage cyclic utilization method comprises the following steps: waste citrus is subjected to fragmentation and slag pressing, and solid slag and a press filtrate are collected; the press filtrate is subjected to grid filtering to obtain a grid filtrate and intercept residues; the grid filtrate flows through a ceramic ultrafilter membrane for ultrafiltration, a PE pot for a flocculation reaction, and a membrane for reverse osmosis to obtain the permeation liquid and trapped fluid, the permeation liquid is subjected to biochemical treatment to obtain discharge water, the trapped fluid is subjected to aerobic anaerobic fermentation, anaerobic and aerobic fermentation or anaerobic fermentation, and filtering in order to obtain a primary nutrient solution; the primary nutrient solution is subjected to flocculation and centrifugation to obtain a purified nutrient solution and centrifugal residue, and a functional component is added in the purified nutrient solution as an organic nutrient liquid fertilizer; the intercept residues and the centrifugal residue are subjected to plate-frame pressure filtration to obtain the solid slag and the press filtrate; composite microbial flora is sprayed to the solid slag as an earthworm culture raw material for culturing the earthworm, the produced earthworm is taken as bioprotein, and the earthworm manure separated from an earthworm culture bed is used for preparing a biological organic fertilizer; and the functional component is addedin the biological organic fertilizer as the functional biological organic fertilizer.

The invention relates to the technical field of fertilizer, in particular to a four-nitrogen-combined nitrogenous fertilizer. The four-nitrogen-combined nitrogenous fertilizer is prepared from, by weight, 300-500 g of a urea-ammonium nitrate solution, 100-380 g of urea, 100-350 g of molasses ferment powder and 20-40 billion compound microorganism bacteria. According to the preparation method of the four-nitrogen-combined nitrogenous fertilizer, all the raw material components are mixed evenly, and the four-nitrogen-combined nitrogenous fertilizer is obtained. The four-nitrogen-combined nitrogenous fertilizer has unique, green and natural organic matter sources, the defects that an existing product only has a single nitrogen source, the fertilizer utilization rate is low, the crop absorption speed is low, and the fertilizing cost is high are overcome, and the four-nitrogen-combined nitrogenous fertilizer has the advantages of being completely soluble in water, high in absorption speed, capable of taking effect fast and capable of improving both production and quality, and is a good substitute product of nitrogenous fertilizer such as a urea-ammonium nitrate solution and urea. The preparation method of the four-nitrogen-combined nitrogenous fertilizer is simple, convenient to implement and suitable for industrial production.

The invention discloses a wettable powder composition based on trichoderma harzianum M-17 chlamydospore as well as a preparation method and application of the wettable powder composition. The wettable powder composition comprises chlamydospore powder, a carrier, a wetting agent, a dispersing agent and an ultraviolet protective agent, and the chlamydospore powder is obtained by performing amplification culture on trichoderma harzianum M-17 strains; the fungus type of the Trichoderma harzianum M-17 strain is Trichoderma harzianum, the preservation number of the Trichoderma harzianum M-17 is CCTCC NO: 2018538, the Trichoderma harzianum M-17 is provided by the Institute of Plant Protection, Academy of Agriculture and forestry Sciences in Ningxia, the M-17 contained in the wettable powder composition has an inhibition effect on pathogenic bacteria of soil-borne diseases of potatoes, reduces harmful fungi in soil and can promote the development of root systems, the soil nutrition absorption capability is enhanced, the stress resistance of the potatoes is improved, the growth promoting effect is achieved, the overground biomass accumulation is increased, and the yield is obviously increased.

The invention discloses a method for planting organic vegetables. The method comprises the following steps: (1) performing land preparation, namely ploughing a planting land, throwing quicklime for sterilization into the planting land, making furrows, digging planting holes in the furrows, applying a microorganism bacterial fertilizer into the digging holes, backfilling soil into the digging holes, and throwing wood vinegar of 10 times; (2) transplanting seedlings, namely transplanting vegetable seedlings with soil to be transplanted into the planting land, covering with a film, puncturing holes from which the seedlings grow out, and pressing the holes with soil; (3) performing transplanting aftertreatment, namely applying sufficient root fixation water after the seedlings are transplanted till the seedlings grown green and survive; (4) performing field management, namely loosening soil and removing weeds at regular time after the vegetables are planted, applying organic fertilizers and spraying special leaf fertilizers every half a month, and stopping fertilization 2 weeks before harvesting; and (5) performing disease and insect control, namely performing insect control with insect killing boards and insect killing lamps. By adopting the method, soil can be optimized, use of pesticides and chemical fertilizers is reduced, the yield of vegetables is increased, and the quality of the vegetables is improved.

The invention relates to the technical field of agriculture. The invention provides a cold-resistant flooding-resistant seed coating agent for direct seeding rice. The cold-resistant flooding-resistant seed coating agent comprises a cold-resistant active component, a penetrant, an oxygen producer, an insecticidal bactericide, a trace element fertilizer, a plant growth regulator, an adhesive and anatural pigment. The invention also provides a preparation method of the cold-resistant flooding-resistant direct seeding rice seed coating agent. The preparation method comprises the following steps:accurately weighing the cold-resistant active component, the penetrant, the oxygen producer, the insecticidal bactericide, the trace element fertilizer and the plant growth regulator in proportion, conducting uniform stirring to obtain a mixture, grinding the mixture, weighing the adhesive and the natural pigment, adding the adhesive and the natural pigment into the mixture, conducting uniform stirring, performing quantitative packaging and carrying out hermetic storing. According to the invention, the cold resistance and flooding resistance of the direct seeding rice can be improved, seedling quality is improved, seedlings and roots are strengthened, the use amount of the agent is small, components are easy to obtain, cost is low, and the preparation method is simple.

The invention belongs to the field of agricultural cultivation, and concretely relates to a nutrient liquid for promoting early maturing and high yielding of potato, and a fertilizing method thereof. The problems of low output, poor marketability and common quality in present potato production are solved in the invention.