207results about How to "Inhibition of disease" patented technology

The invention provides an efficient active bio-organic fertilizer produced by using livestock manure and a preparation method thereof. The preparation method comprises the following steps: pre-treating the livestock manure, straw and peat; mixing the livestock manure, straw and peat at a weight ratio of (3-5):(1-2):(1-2); adding a composite ageing bactericide based on the condition that the weight ratio of the mixture to the high-concentrated organic material ageing bactericide is (5000-10000):(1-2), evenly mixing, and then carrying out composting fermentation for 7-10 days, wherein during the composting fermentation, the material needs to be stirred 1-2 times each day; and mixing the material decayed by fermentation with a functional composite bactericide which is generated by single fermentation at a weight ratio of (5000-1000):(1-2), granulating and drying at low temperature so as to obtain the high-efficiency and active bio-organic fertilizer. The process is relatively simple, is easy to operate, and can be used for lowering the product cost is low, saving energy and turning wastes into wealth, thereby being beneficial to promotion of benign ecological circulation and environment conservation; and by utilizing the fertilizer, the quality of the product is good, thereby obviously improving the yield and quality of agricultural products.

A full nutrition fertilizer of biology type and its producing method belongs to organic complex fertilizer field in biology type. The components of the full nutrition fertilizer is 20-50% of organic waste liquid, 10-30% of urea, 8-15% of diammomium phosphate, 10-25% of potassium sulfate, 5-20% of medium trace element, 1-5% of microbial inoculum, 0-0.2% of root-promoting agent; 0-2% of solutizer, effective viable count content of the microbial inoculum of more than 1010 / g. The fertilizer is produced by adding the urea, diammomium phosphate, potassium sulfate, medium trace element, root-promoting agent, solutizer into organic waste liquid and blending uniformly, then adding microbial inoculum. The invention uses the wastes to produce fertilizer with a low cost a high availability and a good prospect in the fertilizer industry. The fertilizer can be widely applied to the vegetables, melon and fruits, food, tobacco, forests and different commercial crops.

The invention relates to a green bioactive organic fertilizer, which effectively solves the problems of soil hardening, environmental pollution, and harm from residual chemical substances of grains, vegetables and fruits to human bodies. The solved technical scheme is that the green bioactive organic fertilizer is prepared by taking sludge, waste powder, poultry and animal feces, straw powder, residues, feather powder, amino acid original powder, phosphoesterases complex, a first group of complex bacteria, and a second group of complex bacteria as raw materials; uniformly mixing the sludge, the waste powder, the poultry and animal feces, the straw powder, the phosphoesterases complex and the first group of complex bacteria; stacking and covering the mixture with a sack for performing a biogenic reaction, and keeping a reaction product at the temperature of 50 to 55 DEG C for 2 days; adding the residues, the feather powder, the amino acid original powder into the reaction product, uniformly mixing the mixture for performing a secondary reaction, and keeping a reaction product at the temperature of 50 to 55 DEG C for 7 to 10 days; and adding the second complex bacteria into the latest reaction product, uniformly mixing, palletizing, checking and packaging the mixture. The green bioactive organic fertilizer has the advantages of scientific formulation, simple preparation method, good effect, no pollution and no harm to human bodies.

The invention provides a method for building a pigsty fermentation bed. The method comprises: orderly arranging a feeding station, a fermentation tank filled with fermentation padding and a water supply system along the direction perpendicular to an elongated clean pigsty road, wherein the feeding station is adjacent to the clean pigsty road. Along the direction parallel to the elongated clean pigsty road, a ventilation road as long as the pig net road is arranged under the bottom plane of the fermentation tank. Summer water supply pipes in the water supply system are arranged outside the pigsty and buried, and winter water supply pipes are arranged nearby the ventilation road of the fermentation tank. By utilizing the dehumidification, cooling, ventilation actions and the like of the ventilation road in the fermentation tank, the method ensures that the padding in the fermentation bed keep normal micro-ecological balance, ensures that the fermentation bed always has a high level in degradation of pig manure, and inhibits the propagation of pathogens and the occurrence of disease effectively. Moreover, by utilizing the heat produced in the process of fermentation by the padding in the fermentation bed, the method can raise the temperature of the pig drinking water in winter, and fulfill the aims of saving feed and improving growth performance of pigs.

The invention relates to a compound microbial organic fertilizer and a preparation method thereof. The compound microbial organic fertilizer is prepared from the following ingredients in parts by weight: 1-4 parts of trichoderma viride JUWEI002 fermentation liquor, 1-4 parts of bacillus subtilis JUWEI001 fermentation liquor, 20-30 parts of turfy soil, 33-38 parts of tobacco residue, 33-38 parts of silkworm faeces, 6-7 parts of calcium powder and 1-2 parts of potassium fulvate. The compound microbial organic fertilizer disclosed by the invention has the advantages that the quality of crops can be remarkably improved, the yield of the crops is increased, and the soil structure is improved.

The invention relates to an orange antistaling agent and is characterized in that the orange antistaling agent is made from components according to the following proportion relationship: 0.2-0.8g of a bactericide; 0.1-0.3g of p-chlorophenoxyacetic acid; 0.001-0.002 L of acetone; 2-5g of Tween 20; 10-20g of chitosan; and 1L of water. The orange antistaling agent provided by the invention can be used to effectively prevent oranges from being rotten during the storage period, prolong the shelf-life of oranges and raise the orange quality. In the meanwhile, the invention also provides a preparation method of the orange antistaling agent and a method for using and processing the orange antistaling agent.

The present invention discloses a ferment zymophyte biological water-cleaning nutrient feed for shrimps and crabs. Said nutrient feed is made up by using microbial zymophyte agent, organic material, inorganic material, high-protein material and microelement according to a certain mixing ratio through a certain preparation process. Said invention also provides the concrete steps of said preparation process.

The invention relates to the field of banana cultivation, in particular to a compound microbial agent for preventing and treating a banana wilt disease and a prevention and treatment method. The compound microbial agent comprises paenibacillus polymyxa, bacillus subtilis, bacillus thuringiensis, pseudomonas stutzeri, bacillus amyloliquefaciens, cold-resistant brevibacteriaceae, trichoderma and metarrhizium anisopliae. By means of a reasonable proportion, all strains are mutually influenced and promoted, and the prevention and treatment effect on the banana wilt disease is greatly improved. The prevention and treatment method of the banana wilt disease can effectively adjust the composition of bacterial colonies in soil, promote growth and propagation of probiotics and antagonistic bacteria in the soil, rapidly restore and stabilize the balance of the bacterial colonies in the soil, prevent and treat occurrence and spread of the banana wilt disease, effectively decrease the occurrence rate of the banana wilt disease and maintain the stable and high yield of bananas.

The invention discloses a special compound microbial fertilizer for tomatoes and a preparation method thereof. The special compound microbial fertilizer for tomatoes comprises components in percentage by weight as follows: 8%-12% of potassium sulfate, 0.2%-1.0% of manganese sulfate, 1%-3% of ferrous sulfate, 5%-10% of bentonite, 15%-20% of pig manure, 4%-6% of pork slaughter-house waste, 4%-8% of humic acid, 10%-15% of watermelon seedling tendrils, 8%-12% of grass carbon, 5%-8% of castor-oil plant residues, 8%-12% of monosodium glutamate residues, 12%-18% of cake meal, 0.2%-0.4% of bacillus megaterium, 0.3%-0.5% of bacillus subtilis, 0.8%-1% of streptomyces griseus, 0.2%-0.4% of streptomyces jingyangensis, 0.8%-1.2% of Aspergillus oryzae and 0.6%-0.8% of cellulose, and the sum of all the components is 100%. Compared with common compound fertilizers, the special compound microbial fertilizer for the tomatoes has the advantages that the yield increase range is larger, the quality is improved obviously, and the produced tomatoes are sweeter in taste, brighter in color and more favored by consumers.

The invention discloses a potted plant substrate bag and belongs to the technical field of plant container culture and substrate culture. In order to solve various troubles and the pollution problem occurring during potting, pot change, soil utilization, watering and management of household potted plants at present, the invention provides a household material which is clean, easy, fast and happy for performing the container culture. The technical scheme disclosed by the invention is that the potted plant substrate bag is manufactured by wrapping a potted plant substrate with permeable and breathable cloth, and is characterized in that the substrate is completely wrapped by the cloth; the substrate bag is put in a potted plant container to perform the container culture; the substrate bag is soft and is deformable; the planting side of the substrate bag can be molded, and even can be made into a three-dimensional modeling and a cartoon modeling. Three-dimensional culture can be performed on the three-dimensional modeling; and a waterproof film also can cover on the planting side of the substrate bag. The potted plant substrate bag has functions of various functional mulching films. The invention also provides a culture and application method for the potted plant substrate bag.

The invention discloses an intelligent balcony flower cultivation apparatus which comprises an incubator, a controller, a wireless communication device and a control terminal. A flower pot for storing cultivated plants is arranged in the incubator. A soil temperature and humidity detection sensor, an illumination intensity detection sensor, an air index data detection sensor, a light compensation lamp, a heating device and a watering device are arranged in the incubator. The wireless communication device, the soil temperature and humidity detection sensor, the illumination intensity detection sensor, the air index data detection sensor, the light compensation lamp, the heating device and the watering device are electrically connected with the controller. The intelligent balcony flower cultivation apparatus has the advantages that the natural environment of flower growth is improved, the scientific content is high, and economic benefits are good; in the mass production process, crop growth environment is optimal, the survival rate and ornamental performance are increased, and lots of labor and materials are saved; by means of environment-friendly and durable materials, recycle is facilitated, automatic adjustment can be achieved according to specific conditions, and environmentally friendliness and conservation are achieved.

The invention relates to a method for preparing a soil conditioner of saline-alkaline soil, in particular to a method for preparing a soil conditioner of saline-alkaline soil. The soil conditioner is prepared by the following steps of: inoculating BM microbial inoculums into base materials, fungi and additives, which serve as raw materials, and performing heap fermentation, wherein the mass ratio of the base material to the fungus to the additive is 70-80:15-20:5-10. By the soil conditioner prepared by the method, the physical and chemical properties of saline-alkali soil can be improved, the fertilizer efficiency of the saline-alkaline soil can be enhanced, nutritional substances can be provided for edaphon, soil-borne insects and diseases can be inhibited, and utilization rate of fertilizer can be improved.

The invention relates to an ecological nitrogen fertilizer and a preparation method thereof, solving the problem of lower utilization rate of urea. In the invention, a multi-element integrating technology is adopted, chitin is used as a wrapping agent due to the film-forming property and excellent stickiness, organic matter containing humic acid is used as an urea adsorbent, medium trace elements are used as a balance agent of plant nutrient elements, and a root-promoting agent capable of promoting the root growth of plants is added to generate the multi-element multifunctional ecological nitrogen fertilizer by using the urea as a main raw material. The ecological nitrogen fertilizer is characterized in that the water-soluble chitin is used as the wrapping agent, and the medium trace fertilizer wrapped small granular urea and substances rich in the humic acid, such as weathered coal, grass carbon, and the like are mixed; and the raw materials has the following mixture ratio: 550 to 750 of urea, 200 to 400 of grass carbon (containing 30 percent of water), 80 to 200 of additive, 30 to 90 percent of medium trace fertilizer, 1 to 5 of chitin and 0.5 to 0.20 of root-promoting agent.

The invention relates to the technical field of soil improvement, and concretely discloses a saline-alkaline land soil conditioner, and a preparation method and an application thereof. Raw materials of the conditioner comprise 400-600 parts of a biomass decomposed material, 150-242 parts of a pyroligneous liquor, 200-300 parts of charcoal powder, 4-10 parts of urea and 2-10 parts of a microbial agent. All the components are synergistically combined, so the conditioner contains abundant organic matters, provides favorable conditions for crop growth, can improve the physical and chemical properties of the soil and slowly release nutrients, improves the fertilizer utilization rate and the water holding capacity of the soil, effectively reduces the pH value of the soil and the salt content ina soil solution, delays accumulation of salt in the surface soil, and has a good improvement effect on saline-alkaline land soil.

The invention discloses a composition for preventing plant diseases. The composition comprises, by weight, allicin, sterilizing agents, bacillus subtilis fermentation liquid, trichoderma pseudokoningii fermentation liquid, water-soluble chitin, monosodium glutamate residual liquid, fulvic acid potassium, boric acid, monopotassium phosphate, kasugamycin, methionine, thiamine, momordica grosvenori, polygonatum, astragalus, goldthread, asarum, honeysuckle, rosin, hot pepper and green Chinese onion. The allicin and the sterilizing agents serve as active components and are complexly combined, obvious synergistic interaction can be obtained, sterilizing and disease prevention capacities are improved, sterilizing spectrums are widened, the production of crops is improved, harmful bacteria is killed, diseases are restrained, residues are omitted, drug resistance is not easily generated, prevention and treatment of the plant diseases are improved, disease resistance of plants is improved, roots of the plants are lengthened and increased, stems of the plants are thickened, chlorophyll is increased, seeds of food crops are increased, grains of the food crops are plumped, ears and corners of the food crops are increased, fruits of fruit trees are increased and enlarged, and good quality and high production are obtained.

The invention discloses a complex bacterium preparation for fixing nitrogen, solubilizing phosphorus and potassium and rooting and a preparation method thereof. The preparation is mainly prepared by mixing the following raw materials in parts by weight: 5-20 parts of azotobacter vinelandii, 10-30 parts of bacillus megatherium, 10-30 parts of bacillus mucilaginosus, 5-15 parts of azotobacter chroococcum, 10-15 parts of glomus intraradices and 10-25 parts of glomus mosseae. The preparation method comprises the following steps: respectively carrying out high-density culture on each strain; grafting to a shake flask filled with a culture medium in a volume ratio of 15-30 percent for activated culture; grafting the cultured strains into a fermentation tank for fermentation culture expansion; dehydrating and drying the culture expanded single strains to prepare hypopus microorganism dried powder; and mixing to obtain the complex bacterium preparation for fixing nitrogen, solubilizing phosphorus and potassium and rooting. The complex bacterium preparation is used for industrial crops, fruit trees, food crops and the like, has the advantages of biological property, environmental friendliness, high yield and high quality in comparison with existing products, and cannot pollute soil.

The invention relates to a method for cultivating high-yield and high-quality winter wheat by use of biogas liquid. The method mainly comprises the following steps: soaking seeds with biogas liquid at 16-20 DEG C for 8-12 hours before seeding; applying 11-20 kg of urea per 667 m<2> in combination with intensive farming land preparation or irrigation of soil moisture; at the later period of wheat jointing, applying 3,000-6,000 kg of biogas liquid per 667 m<2> in combination with irrigation of soil moisture, wherein the nitrogen dosage for topdressing is 50-75% of the conventional dosage of nitrogenous fertilizer; and spraying biogas liquid at the middle-and-later period of wheat, wherein 35-45 kg of biogas liquid diluted by 0.5-1 times is sprayed per 667 m<2> at the booting period, 35-45 kg of stock biogas liquid is sprayed per 667 m<2> at the pustulation period, and a proper amount of kerosene, washing powder and monopotassium phosphate is dissolved and sprayed 1-2 times in the pustulation period. The biogas liquid using method is convenient and practical, has low cost, reduces the pollution of nitrogenous fertilizer and serious adverse impact of pesticide residue in the production of high-quality wheat, improves the seed quality, and realizes cultivation of high-quality wheat, resource utilization of agricultural waste and sustainable development of agriculture.

The invention discloses a water-soluble quick-acting drop irrigation fertilizer, which is prepared from, by weight, 17-20 parts of ammonium humate, 2.5-4.5 parts of molasses fermented liquid, 10-15 parts of a nano-aqueous binder, 30-50 parts of anionic polyacrylamide, 5-10 parts of polyaspartic acid, 10-18 parts of o-nitrophenol, 10-20 parts of medical stone powder, 10-20 parts of fermented powder of green lemon peel, 10-20 parts of oyster shell powder, 20-40 parts of pine needle nutrient liquid, 15-20 parts of molasses fermented liquid, 2-3 parts of carbon enzyme, 10-20 parts of sugar alcohol magnesium, 0.3-0.7 parts of borax, and 3-5 parts of rare earth complex. The drop irrigation fertilizer has high organic substance content and is easy to form a granular structure, is good in water solubility and is easy to absorb by corps, and is improved in fertilizer efficiency.

A multifunctional fertilizer is prepared by taking lime nitrogen, superphosphate, calcium magnesium phosphate fertilizer and potassium sulfate as materials, and formulating by proportioning. It achieves to inhibit soil fungus, to prevent soil acidification and salinization, and to improve fertilizer effect.

The invention relates to a soil pollution remediation agent, which is prepared from the following raw materials in parts by weight: 25-35 parts of kaolin, 15-20 parts of mica, 10-15 parts of nanometer aqueous adhesive, 6-12 parts of chitosan fibers, 10-20 parts of oyster shell powder, 24-36 parts of anionic polyacrylamide, 12-22 parts of nanocarbon powder, 5-11 parts of nano-hydroxyapatite, 25-45 parts of molasses fermentation broth, 11-19 parts of bamboo fiber powder, 2-3 parts of carbon enzyme, 17-20 parts of poly-dimethyl-diallyl-ammonium chloride, 11-19 parts of maggot manure composite agent, 0.8-1.8 parts of enzyme microorganism, 15-25 parts of sugar alcoholase, 1-3 parts of mixed microbes, 5-10 parts of polyasparaginic acid, 10-18 parts of o-nitrophenol, and 7-13 parts of proline. The remediation agent has the functions of soil pollution treatment, soil improvement, degradation of pesticide and chemical fertilizer residuals, improvement of soil nutrients and the like.

The invention discloses a water-soluble carbon enzyme granule fertilizer and a preparation method thereof. The water-soluble carbon enzyme granule fertilizer is prepared from, by weight, 5-10 parts of medical stone, 3-10 parts of dolomite, 15-20 parts of nitrogenous fertilizer, 10-20 parts of phosphatic fertilizer, 30-40 parts of potassic fertilizer, 4-25 parts of fulvic acid, 1-10 parts of concentrated molasses fermentation liquor, 0.1 part of carbon enzyme, 1 part of polyglutamic acid, 0.1 part of polyaspartic acid, 2 parts of chelated calcium, 0.5-1 part of chelated magnesium, 0.2-0.5 part of quick-acting boron, 0.2-0.5 part of chelated zinc and 0.3-0.5 part of chelated iron. The water-soluble carbon enzyme granule fertilizer is good in water solubility and high in organic matter content, and a granular structure can be easily formed; the chelated trace elements in the water-soluble carbon enzyme granule fertilizer can be easily absorbed by plants, improve fertilizer efficiency and have a powerful function and a lasting effect.

The invention discloses bacillus subtilis with a bio-control effect on continuous cropping diseases of strawberries and application thereof. The bacillus subtilis is bacillus subtilis ZLS-01, and the preservation number of the bacillus subtilis is CGMCC No. 3513. Experiments prove that the bacillus subtilis has an antagonistic effect on fusarium oxysporum or rhizoctonia solani and can inhibit diseases. The bacillus subtilis inoculum has the advantages of increasing the number of predominant bacteria in soil, playing a positive role in preventing and inhibiting soil-borne diseases, reducing the pH value of the soil from 8.2 to 7.1, making the PH value tend to be neutral, enhancing the acid-base buffer capacity, the air permeability, the water permeability, the water-retaining property and the nutrition-retaining property of the soil, increasing organic matters of the soil from 2.80 percent to 3.20 percent year by year so as to improve soil fertility, obviously increasing alkaline hydrolytic nitrogen, rapid available phosphorus and rapid available potassium of rhizospheric soil of the strawberries, inhibiting continuous cropping diseases of the strawberries and guaranteeing the output of the strawberries.

The invention discloses a special bio-organic fertilizer for economic crops, and in particular relates to an amino acid aroma-increasing fertilizer for tobacco, tea and vegetables. The invention adopts a technical proposal that 20 percent of microbial bacillus subtilis as an aroma-increasing microbial agent, 20 percent of bacillus natto, 20 percent of lactobacillus, 20 percent of yeast and 20 percent of aspergillus flavus are inoculated into a high-density fermentor system by single plant, propagated respectively and prepared into a solid or liquid aroma-increasing microbial agent, and then material additives with high the amino acid content are added to a bio-organic fertilizer and prepared into the amino acid aroma-increasing fertilizer. Due to a technique of adopting a unique high-density fermentation system for culture, the produced amino acid aroma-increasing fertilizer has the advantages of containing a great amount of amino acid and organic matters, greatly improving the aroma quality of tobacco, tea and vegetables, regulating the ecological balance of soil, inhibiting diseases and improving the quality of the economic crops.

The present invention relates to a soil improver, more particularly to a microbiological soil improver. The soil improved probiotic composition mainly comprises the following fused strains by weight: 1-1.2 parts of Bacillus megaterium, 1-10 parts of Bacillus cereus, 1-8 parts of Bacillus vallismortis, 1-11 parts of Bacillus licheniformis, 1-7 parts of Bacillus mucilaginosus, 1-9 parts of Bacillus amyloliquefaciens, 2-6 parts of Pseudomonas putida, 1-18 parts of Lactobacillus buchneri, 1-14 parts of Pediococcus pentosaceus, 1-2.5 parts of Saccharomyces cerevisiae, 2-4 parts of Aspergillus niger, 1.5-13 parts of Streptomyces jingyangensis, and 1-5 parts of Bacillus pumilus. The composition of the present invention has advantages of fertilizer efficiency maintaining, pests and disease inhibiting, no mixed bacteria, and soil improving.

The invention discloses a method for planting leaf-used lycium barbarum, relates to a method for planting leaf-used plants and belongs to the field of agricultural planting. The method is characterized by comprising steps of preparing nutrient solution A, nutrient solution B and nutrient solution C; and spraying the nutrient solution A on lycium barbarum leaves when leaf primordia of the lycium barbarum leaves are formed, spraying the nutrient solution B on the lycium barbarum leaves in a middle growth period of the leaves, and spraying the nutrient solution C on the lycium barbarum leaves in a vigorous growth period of the leaves. The method has the advantages that nutrients required by the leaves in different growth periods are different, so that the growth orientation of the lycium barbarum can be changed by applying different fertilizers, leaf fertilizers are emphasized instead of fruit fertilizers, and the purpose of increasing the quantity of the lycium barbarum leaves is achieved; each nutrient solution contains various components such as growth promoters, induction-resistant chemical substances and nutrient substances, and is scientifically proportioned, the disease resistance and the like of the leaves can be effectively improved while the growth and the development of the lycium barbarum leaves are promoted, and diseases are suppressed; and the method plays an important role in aspects of reducing the application amount of chemical pesticides to the leaves and residue of the chemical pesticides.

The invention discloses a feed additive capable of reducing the white spot syndrome virus disease of penaeus vannamei boone. The feed additive comprises the following components in parts by weight: 0.5-2 parts of photosynthetic bacteria, 0.2-1.5 parts of bacillus subtilis, 1-3 parts of glucose, 2-4 parts of Chinese honey locust, 3-7 parts of purple perilla, 5-7 parts of green tangerine peel, 1-4 parts of cassia twig, 3-7 parts of white paeony roots, 0.01-0.5 part of vitamin C, 0.01-0.05 part of vitamin K and 15-20 parts of a carrier. 0.1-1 percent by weight of the feed additive disclosed by the invention is added into a conventional mixed feed for a prawn, and the obtained feed can be used for feeding the penaeus vannamei boone. By the adoption of the feed additive disclosed by the invention, the occurrence of the white spot syndrome virus disease in the cultivation process of the penaeus vannamei boone can be remarkably reduced, the cultivation survival rate is improved, the quality of a prawn body is improved, the water quality is improved, and the economical and ecological benefits are increased.

The invention discloses a bio-fertilizer, in particular to a disease and pest-resistant ferment bacterial fertilizer and a manufacturing method thereof. The disease and pest-resistant ferment bacterial fertilizer comprises the following components: plant straw, dry chicken manure, shale, bran, bone meal, fish meal, soybean meal, water, ferment bacteria and sendanin. The ferment bacterial fertilizer provided by the invention patent is used for replacing farmyard manure as the base, on the one hand, the equal amount replacement of a compound fertilizer for top application and application in crops can not only avoid the environmental pollution and has the effects of increasing the production, promoting the prematurity and simultaneously inhibiting and reducing the damages caused by diseases for the crops, on the other hand, raw materials for manufacturing the ferment bacterial fertilizer are extensive, the production process is less prone to infection of hybrid bacteria, the manufacturing is simple and convenient, the ferment bacterial fertilizer is easy for popularization, and the popularization and development prospects are good.

The invention discloses agricultural ecological fertilizer, which is prepared from the following raw materials in parts by weight: vinegar residue, worm excretion, complexation rare earth, anionic polyacrylamide, chitosan oligosaccharide, 10 to 15 parts of nanometer waterborne bonding agents, humic acid, ethylenediamine tetracetic acid chelated zinc, stevia dry leaves, phenoxy acid compounds, p-nitrophenol sodium, tea residue, spirulina residue, weathered coal, polyaspartic acid, o-nitrophenol, medical stone powder, duckweed freeze drying powder, oyster shell powder, shaddock peel fermentation liquid, chromium yeast and carbon enzymes. The agricultural ecological fertilizer has the advantages that the loss rate of the dissolved fertilizer elements is greatly reduced; the utilization rate of nutrients is improved, so that the efficient nutrient absorption of crops in a short period is met; the yield increase effect is achieved; the organic matter content of soil can be improved.

The invention relates to an eleocharis tuberosa peel extract bacteriostasis preservative comprising 3-5% of eleocharis tuberosa peel extract, 0.2-2% of ginger extract, 0.5-2% of lemon extract, 0.5-1% of chitosan and the balance being water to 100%. A preparation method of the eleocharis tuberosa peel extract bacteriostasis preservative includes the steps: drying eleocharis tuberosa peels prior to crushing and screening; adding eleocharis tuberosa peel powder into water to be subjected to boiling and ultrasonic wave assisted lift; filtering or centrifuging the obtained solution prior to taking supernatant; cleaning ginger and lemon fruit prior to juicing, then putting the juice and chitosan dissolved in the lemon juice together into the supernate for soaking, and filtering to obtain the bacteriostasis preservative. An application method of the bacteriostasis preservative includes using the bacteriostasis preservative for soaking fruit and vegetables for 5-10min. The bacteriostasis preservative has the characteristic of strong bacteriostasis capability, and causes no pollution to human and the environment in use on fruit and vegetables.

The invention relates to a novel biological seed coating agent. The biological seed coating agent comprises components in parts by weight as follows: 15-30 parts of bacterial powder and 70-85 parts of a seed coating agent aid, wherein the bacterial powder comprises bacillus mucilaginosus, bacillus amyloliquefaciens and bacillus laterosporus in the weight part ratio of (1-3):(2-4):(2-4); the seed coating agent aid comprises components in parts by weight as follows: 40-60 parts of humic acid, 0.5-5 parts of Pulullan, 15-30 parts of polyvinyl alcohol, 0.05-1 part of a surfactant and 0.1-0.5 parts of a vigilant dye. The novel biological seed coating agent has good film-forming and slow-release functions, has higher film-forming strength, water-absorbing and water-resistant performance and chemical stability, has good biocompatibility with plants and cannot affect the germination rate of seeds; the seed coating agent prepared from bacterial powder of the bacillus mucilaginosus, the bacillus amyloliquefaciens and the bacillus laterosporus has effects of preventing and treating crop diseases and insect damage and promoting plant growth.