110results about How to "Reduce antagonism" patented technology

A method of providing information including providing a communication session of at least one of audio and video media and applying automatic recognition to media transferred on the communication session. An advertisement is selected by a processor, based on the automatic recognition and non-advertisement information is selected by the processor, responsive to the automatic recognition. The selected advertisements and the selected non-advertisement information, are presented during the communication session.

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.

A method of providing information including providing a communication session of at least one of audio and video media and applying automatic recognition to media transferred on the communication session. An advertisement is selected by a processor, based on the automatic recognition and non-advertisement information is selected by the processor, responsive to the automatic recognition. The selected advertisements and the selected non-advertisement information, are presented during the communication session.

The invention discloses a compound fertilizer, in particular to a plant compound fertilizer. The plant compound fertilizer is formed by compounding chelated secondary and trace elements, a potassium fertilizer, urea, ammonium chloride, monoammonium phosphate and attapulgite powder; and humic acid also can be added as required. The plant compound fertilizer of the invention has the characteristics of reasonable compatibility, simple process, high fertilizer efficiency, high particle strength and balance nutrition, can improve the content and the performance of trace elements in soil, solves the problem of plant diseases caused by lack of the trace elements in a crop growing process, promotes plant growth, increases disease resistance and disaster resistance, improves yield and recovers natural flavor, so the plant compound fertilizer is a novel and specific compound fertilizer.

The invention discloses a seaweed liquid fertilizer with a drought resisting function and a preparation method and application of the seaweed liquid fertilizer. The seaweed liquid fertilizer comprisesthe following components: a seaweed drought resisting functional carrier, external drought resisting substances, humic acid, chemical fertilizers and a surfactant, wherein the seaweed drought resisting functional carrier is prepared by implementing activity maintenance treatment on an extract prepared from fresh seaweeds through enzymolysis and mycogenic composition in sequence, implementing molecular membrane grading separation and by implementing drought resisting activity detection screening on crop seedlings. The preparation method comprises the following steps: uniformly mixing the seaweed drought resisting functional carrier and the external drought resisting substance, compounding with the humic acid and the chemical fertilizers in sequence, and finally adding the surfactant and the like, thereby obtaining the seaweed liquid fertilizer. The seaweed liquid fertilizer disclosed by the invention is convenient to transport, can be applied to roots of crops and leaves as well, can be used with drip irrigation systems in large-size planting areas, and is very applicable to water-fertilizer integral systems. Large field drought testing results show that by adopting the seaweed liquid fertilizer, the yield of Chinese flowering cabbage can be remarkably increased by 14.7-19.8% when being compared with that of Chinese flowering cabbage with a conventional fertilizer.

The invention relates to a combined mixed feed for laying hens, which fundamentally solves problems of great inorganic trace element additive amount and great discharge capacity of nitrogen element and ammonia gas in a poultry house. According to the technical key point, the combined mixed feed comprises the following components in weight part: 600-640 parts of corn, 12.6-31 parts of corn gluten meal powder, 20-45 parts of corn DDGS, 20-40 parts of corn germ meal, 20-35 parts of cottonseed meal, 130-180 parts of soybean meal, 74-85 parts of stone powder, 5-7 parts of soybean oil, 6-8 parts of calcium hydrophosphate, 2.5-3.0 parts of salt, 0.4-0.6 part of choline chloride, 1-1.5 parts of methionine, 2.3-5 parts of heme-L-lysinate, 0.2-0.3 part of phytase, 10-12 parts of trace element premixing feed, 1-1.1 parts of vitamin premixing feed and 0.2-0.3 part of complex enzyme, wherein the enzyme activity of phytase is 5000 U / g. According to the combined mixed feed, the design is reasonable; the egg laying rate is improved; the feed-gain ratio is reduced; the trace element discharging rate of excrements is lowered; the economic benefits of enterprises are improved.

The invention discloses a low carbon type litopenaeus vannamei ecological fodder and a preparation method thereof. The fodder comprises the following components: bean pulp, fish meal, flour weevil powder, chicken powder, inkfish powder, earthworm powder, fly maggot powder, silkworm chrysalis meal, shrimp head shell powder, rapeseed dregs, rice bran, wheat flour, corn flour, enteromorpha algae powder, saccharomyces cerevisiae, fish oil, soybean oil, phospholipid oil, folium mori flour, monocalcium phosphate, choline chloride, compound ore, compound vitamins, vitamin C phosphate and phytase. The fodder has scientific compatibility of medicines; the fish protein is replaced by the insect protein mainly from flour weevil, so that the dependence on the imported fish meal can be reduced, the cost is lowered and the low carbon purpose is achieved; the bioactive substances including folium mori flour, alga, and the like, are added, so that the factor interference of anti-nutrients can be reduced; the prawn can fully utilize the fodder; the growth performance of the prawn can be promoted; the emission amount of nitrogen and phosphorus can be reduced, so that the breeding environment of the prawn can be improved.

Agricultural compositions and / or tank mix adjuvants, which exhibit enhanced performance properties such as reduced eye irritation, reduced fish toxicity, and improved compatibility with other tank mixed pesticides and / or adjuvants while maintaining typical pesticidal performance characteristics containing at least one amine ethoxylate and glycerol.

The invention discloses a middle broiler feed. The middle broiler feed comprises the following raw materials in parts by weight: 60-80 parts of corns, 5-30 parts of soybean meal, 1-10 parts of corn gluten meal, 0-5 parts of fish meal, 0.5-3 parts of soybean oil, 0.8-2.5 parts of fine stone powder, 0.8-2.5 parts of calcium hydrophosphate, 0.1-1.2 parts of amino acid, 0.1-0.8 part of vitamin premix and 0.3-1.2 parts of microelement premix. The amino acid level of the middle broiler feed adapts to that of an animal according to an ideal amino acid mode; the digestibility is improved, and particularly, the utilization rate of feed proteins and the utilization rate of amino acid are improved; generation of ammonia gas in a henhouse is reduced; synthetic amino acid is appropriately added, and the crude protein level is correspondingly reduced, so that protein feed resources can be saved, and the output of nitrogen in the excreta of livestock and poultry can be reduced; the daily gain is high, the feed conversion ratio is low, the raising cycle is greatly shortened, the slaughtering rate is improved, and economic benefits are remarkable.

The invention discloses an attapulgite mineral powder slow-release fertilizer, relates to a fertilizer taking mineral substances as main raw materials and belongs to the field of fertilizer preparation. The attapulgite mineral powder slow-release fertilizer is characterized by being prepared from the following raw materials by weight percent: 60% of attapulgite mineral powder, 10% of livestock manure, 10% of weathered coal, 15% of microelement and 5% of fermentation strain. The attapulgite mineral powder slow-release fertilizer has the beneficial effects that the attapulgite mineral powder is applied to soil fertilizer so that heavy metals in soil can be adsorbed, the ventilation of the soil is improved, the soil hardening and virosis are reduced and eliminated, the use amount of chemical fertilizer and pesticide is reduced, the production cost is reduced, the pollution is reduced, the ecological environment of the soil is optimized, the microecological balance of the soil is achieved, the crop is matured in advance, the quality of the crop is improved, the toxic and harmful substances residual in the crop are reduced and eliminated, and the heavy-metal residue of the crop achieves the green and environment-friendly requirement; and the attapulgite mineral powder forms a micromatrix and are combined with nutrients to form an unique controlled release technique.

The invention discloses a biological bacterial fertilizer and application for strengthening phytoremediation of cadmium-contaminated soil. The fertilizer is composed of pseudomonas aeruginosa, enterobacter cloacae, paenibacillus polymyxa and bacillus mucilaginosus krassilnikov in the ratio of 3:2:3:1. In addition to the capability of activating soil heavy metal cadmium and changing the effectiveness of the cadmium in the soil, the biological bacterial fertilizer can further produce plant growth regulating substances, secrete antibiotics (IAA and iron carrier) substances and promote plant growth, thereby increasing the phytoremediation rate of the cadmium-contaminated soil.

The invention provides a selenium-enriched breeding substrate and a method for producing selenium-enriched agricultural products by the selenium-enriched breeding substrate. The proportion of selenium to sulfur of the breeding substrate is 1:2-10, the substrate utilizes the selenium and sulfur competition absorption relationship, in the early period of the seedling growth, the selenium absorption is inhabited through the sulfur, the inhabitation effect is relieved after the seedling biomass is increased, the better selenium accumulation effect is reached while the selenium poison in the breeding early period is avoided, and finally, the improvement of the selenium content in seedlings and finished products is realized. The substrate is utilized for producing the selenium-enriched agricultural products, the selenium enriching is transferred to the breeding period from the ordinary transplanting, the fertilizer application operation in the later period is avoided, the labor is greatly saved, simplicity and convenience are realized, finally, the selenium content of the selenium-enriched agricultural products can be greatly improved, and in addition, stability and standardization are realized.

The invention belongs to the field of agricultural fertilizer, relates to a foliage fertilizer, in particular to a foliage fertilizer for a longan tree and a production method of the foliage fertilizer. The foliage fertilizer is prepared from the following raw materials in parts by weight: 7 to 10 parts of biochemical fulvic acid potassium, 12 to 15 parts of urea, 5 to 7 parts of washing powder, 7 to 13 parts of monopotassium phosphate, 8 to 14 parts of amino acid-chelated copper and boron, 6 to 13 parts of sucrose-complexed manganese and calcium, 8 to 12 parts of diaminoferric xanthohumate, 1 to 2.5 parts of sophocarpidine, 14 to 20 parts of magnesium sulfate and 6 to 10 parts of zinc sulfate. The foliage fertilizer prepared by the production method disclosed by the invention is good in fertilizer efficiency, is rich in multiple medium trace elements required by the longan tree, and meets nutritional requirements of longan; after application, the foliage fertilizer has a significant prevention effect for physiological yellow coloring, small leaf, mottled leaf, roll leaf and the lime of the fruit tree; by using the foliage fertilizer, toot system development of the fruit tree can be promoted, disease invasion is prevented, and disease resistance, drought resistance and cold resistance of crops are improved; the foliage fertilizer has effects of improving the growth speed of longan, promoting fruiting and swelling, improving the yield and the quality of longan, improving the resistance of the fruit tree and sterilizing.

The invention relates to a multi-element compound liquid selenium fertilizer for fruit tree trunk injection. The multi-element compound liquid selenium fertilizer comprises the following components in parts by weight: 6-10 parts of nitrogen, 6-8 parts of phosphorus, 10-12 parts of potassium, 1-2 parts of magnesium sulfate, 3-5 parts of calcium nitrate, 0-2 parts of trace elements, 0.25-1.0 part of sodium selenite, 6.0-10.0 parts of yellow humic acid, 0.5-5 parts of sugar alcohol type matters and 45-60 parts of water. The multi-element compound liquid selenium fertilizer provided by the invention has the benefits that the fertilizer prepared by the invention is comprehensive and balanced in nutrient elements and scientific in components, can provide large, medium and micro nutrient elements required for normal growth of fruit trees and meets the demands on nutrients in the growth and development processes of the fruit trees in an omni-directional manner; synergistic and antagonistic effects among the elements are fully considered, the proportion among the different nutrient elements is coordinated, the absorption of the fruit trees for the nutrient elements and the transportation are promoted, the fertilizer utilization efficiency can be obviously improved, the crop growth is promoted, the stress resistance is enhanced, the fruit setting rate and the disease resistance are obviously improved, and the fruit quality is improved.

The invention relates to a preparation method of a chelate containing high-concentration amino acids and microelements. The prepared chelate contains no less than 400 g / L of amino acids, no less than 80 g / L of (zinc+B+Mn+Cu). The chelate containing high-concentration amino acids and microelements is a new generation of high-concentration nutrition preparation. The preparation is obtained by carrying out chelating on high-concentration amino acids and high-concentration microelements by using a chelating agent. The method effectively improves the effective components of amino acids and microelements in the chelate.

The invention belongs to the technical field of fertilizer production and in particular relates to an ecological environment-friendly urea chelated compound fertilizer and a preparation method thereof. Each ton of the ecological environment-friendly urea chelated compound fertilizer is prepared from the following raw materials: 227kg of monoammonium phosphate, 250kg of potassium chloride, 22kg of zinc sulfate, 18kg of borax, 94kg of compound amino acid, 50kg-120kg of urea formaldehyde and 259kg-317kg of urea. The compound fertilizer takes amino acid as a main component, is rich in nutritional elements such as nitrogen, phosphorus, potassium, boron, zinc and the like necessary for crops, has a function of relieving the ion antagonism effect, and is an efficient, environment-friendly and long-acting novel fertilizer product with an increased utilization rate. A test on crops such as wheat, peanuts, rice, tomatoes and the like shows that the yields of the wheat, peanuts, rice and tomatoes are increased by 10.4%, 11.5%, 13.6% and 15.18% respectively after the urea chelated slow release compound fertilizer is applied in comparison with a general fertilizer.

The invention belongs to the technical field of feed additives and discloses a microelement eggshell quality improving agent. The microelement eggshell quality improving agent comprises the following components in percentage by mass: 17.65-36.0% of ferrous glycine chelate, 5.81-11.88% of zinc methionine chelate, 3.33-6.80% of copper glycinate chelate, 3.03-6.18% of manganese methionine chelate, 2.50-5.10% of selenium yeast, 1.72-3.52% of basic zinc chloride, 0.86-1.76% of copper chloride hydroxide, 5.00-10.20% of phytase, 0.10-0.20% of ethoxyquin, and 18.38-59.99% of medical stone. The microelement eggshell quality improving agent improves an eggshell ultrastructure comprising internal and external eggshell membranes, a calcified irregular mastoid layer, a palisade layer, a vertical crystal layer and an epidermal layer, the effective regular deposition of calcium carbonate of an eggshell is promoted, the hematopoietic function of a laying hen is improved, and then the quality and the color of the eggshell are further improved.

A spray drying method for the water-soluble glycine chelated iron includes such steps as dissolving the water-soluble glycine chelated iron in water, adding malt dextrin, antiblocking agent and composite antioxidant, pressure homogenizing, and spray drying. Its product has high antioxidizing and anti-hydroscopic performance and high water solubility.

The invention discloses the use of cactus pear fruit polysaccharides extracted from cactus pear fruit in the preparation of medicaments or health-care products for reducing blood pressure, blood fat, blood sugar and resisting tumors. The cactus pear fruit polysaccharides can control the occurrence and development of hypertension, have an active significance for preventing the occurrence and development of hyperlipidemia and fatty degeneration of liver, have potential applications in the prevention and treatment of diabetes and complications and have certain antitumor effect. Therefore, the invention lays a foundation for the development of medicaments or health-care products for preventing and treating hypertension, hyperlipaemia and diabetes and resisting tumors, and promotes the full use of the cactus pear fruit polysaccharides effectively. The cactus pear fruit is a natural plant resource with remarkable medicinal and health-care effects as well as regulation and protection effects on human organs and systems. The price of the cactus pear fruit is relatively low, and the side effects of the cactus pear fruit are relatively fewer. Thus, the cactus pear fruit polysaccharides have good application prospect in the preparation of the medicaments or health-care products for reducing blood pressure, blood fat, blood sugar and resisting tumors.

The invention relates to a low-carbon type penaeus monodon compound feed which is characterized by comprising the following components by weight: 180-250 kilograms of Shandong domestic fish meal (anchovy), 40-100 kilograms of chicken meal, 50-80 kilograms of cottonseed meal, 80-150 kilograms of soybean meal with skins (46%), 40-80 kilograms of rapeseed meal, 30-70 kilograms of cottonseed protein, 80-150 kilograms of peanut bran, 180-230 kilograms of high gluten flour, 20-40 kilograms of soybean lecithin powder, 15-25 kilograms of seawater fish oil, 8-15 kilograms of soybean oil, 7-12 kilograms of monocalcium phosphate, 0.3-1.0 kilogram of vitamin C-phosphate, 2-5 kilograms of 50% choline chloride, 0.5-1.5 kilograms of taurine, 0.5-2 kilograms of high-temperature-resisting phytase, 0.5-1.5 kilograms of allicin, 0.5-1.5 kilograms of prawn molt, 2-5 kilograms of compound vitamin pre-mixture and 3-10 kilograms of compound multi-mineral pre-mixture. The feed disclosed by the invention can improve the utilization efficiency of the feed by penaeus monodon, reduces the discharging of nitrogen, phosphorus and heavy metal elements including copper, zinc, cobalt and the like and is good for environmental protection; and the raw materials of the compound feed are stable in sources and low in price.

The invention discloses a fermented soybean meal production process suitable for large-scale production and belongs to the technical field of soybean meal processing. The process comprises the steps of mixing tryptone, glucose, yeast extract and sodium chloride, sterilizing at high temperature, adding less-root rhizopus oryzae into a seed culture medium for culturing and preparing a seed culture medium; mixing bean meal, bran, sucrose and glycine betaine, adding water and uniformly mixing; sterilizing at high temperature and naturally cooling to prepare a fermented culture medium; inoculating the seed culture medium into the fermented culture medium and fermenting for culture; adding a glycine betaine solution in a spraying manner after fermenting, and stopping fermenting after spraying; drying and grinding; drying a fermented product, grinding and sieving to obtain a fermented bean meal finished product. According to the process, seed enlarged cultivation is performed, and stability of a production technology is realized; the glycine betaine is added in fermentation to increase the mixing uniformity of the materials; single less-root rhizopus oryzae strains are adopted to ferment the bean meal, so that the fermentation contamination probability is greatly reduced; the process is mature and stable and suitable for large-scale production.

The invention relates to an organic and inorganic compound fertilizer applied to vegetable production, in particular to a quick-dissolving fertilizer and a preparation method thereof, wherein the quick-dissolving fertilizer comprises the following components in content by weight: 10-50 percent of ammonium nitro-humate, 0-40 percent of urea, 0-10 percent of ammonium nitrate or ammonium sulfate, 0-35 percent of monoammonium phosphate, 0-20 percent of potassium sulfate, 0-5 percent of magnesium sulfate, 0.5-1 percent of zinc sulfate and 0.3-0.8 percent of borax. The fertilizer disclosed by the invention has the effects of improving the structure and texture of soil, improving the soil fertility, improving the ventilation property and the water-retaining property, promoting the propagation and the growth of beneficial microorganisms, improving the stress resistance of crops and enhancing the drought-resisting (water-logging-resisting), cold-resisting and disease-resisting capabilities; and the quick-dissolving fertilizer is an ideal fertilizer for the production base of pollution-free foods.

A glycine metal chelate complex belongs to the technical field of amino acid and trace element complexing and comprises an auxiliary material and two or more glycine metal chelates, the metal chelates include calcium glycinate, magnesium glycinate, zinc glycinate, ferrous glycinate, iron glycinate, copper glycinate and manganese glycinate. Also disclosed is a preparation method of the glycine metal chelate complex, the prepared metal chelate complex can supplement trace elements in a balanced manner for the purpose of meeting the needs of a human body for elements such as calcium, magnesium, zinc, iron, copper and manganese, and the preparation method is simple and easy to perform.

The invention discloses a method for preparing an organic fertilizer for planting tomatoes. The method comprises the following steps: (1) powdering, namely drying organic raw materials till the water content is 10-14%, performing powdering treatment for 2-3 times repeatedly by using a powder machine, and performing high-temperature sterilization treatment; (2) performing ammoniation treatment, namely performing ammoniation treatment under a pressure condition of 0.3-0.4MPa; (3) performing magnetic fermentation, namely putting a mineral solution into a fermentation tank, and performing magnetic fermentation under conditions of vacuum degrees of 80%, 85% and 100% respectively; (4) performing enzymolysis, namely putting water into organic fermentation materials, adding mixed enzymes, and performing enzymolysis; (5) performing secondary fermentation, namely putting the mineral solution into the enzymolysis organic materials, adding fertilizer fermentation agents, and performing composting fermentation. Compared with a control group, the organic fertilizer prepared by using the method is capable of increasing the content of vitamin A in tomatoes by 32.6ug / 100g, increasing the ash content by 1.53%, and reducing the insect and disease rate by 1.79%.

The invention discloses a multi-strainliquid straw composting agent, belonging to the technical field of solid waste treatment. The liquid straw composting agent is prepared by the steps of cutting straws of wheat and corns, mixing with rural soil and saccharose, standing, soaking the straws,filtering,collecting filtrate, inoculating the filtrate to a self-made liquid culture medium, carrying out culturing to obtain bacteria liquid, cultivating and activating four bacteria by virtue of a self-made oblique plane culture medium, flushing the culture medium, collecting flushing liquid, inoculating the flushing liquid to a self-made fermentation culture medium, carrying out fermental cultivation, filtering, collecting filtrate, combining the filtrate, mixing the filtrate with the bacteria liquid, finally, concentrating, and collecting a concentrated solution, namely the liquid straw composting agent. Bacterial agents of the liquid straw composting agent are rich, and functional strains are more; and meanwhile, the liquid straw composting agent has relatively good composting effect, the composting cycle is effectively shortened, the growth of next-stubble crops is not influenced, the both production and income of the crops can be promoted, and the liquid straw composting agent has relatively good market promotion values.

The invention relates to a low-odor scratch-resistant polypropylene composite material, which is prepared from the following raw materials by mass: 44.6-96.6% of polypropylene, 0-40% of talcum powder,0.4-4% of an antioxidant, 1-5% of a deodorant 1, 1-5% of a deodorant 2 and 1-5% of a scratch-resistant aid, wherein the deodorant 1 is one or a plurality of materials selected from water, hexamethyldisilane, hexamethyldisiloxane, triethylsilanol and octamethyltrisiloxane, and the deodorant 2 is mesoporous silica or a 13X type zeolite molecular sieve loading at least one selected from ethylenediamine tetraacetic acid salt, methylene triamine pentamethylene phosphoric acid, ethylenediamine tetramethylene phosphoric acid and 2,4-dinitrophenylhydrazine. According to the invention, the product hasexcellent low-odor and excellent scratch resistance, reduces the antagonism among odor, diffusivity and scratch resistance, and finally realizes the balance of odor, diffusivity and scratch resistance of the product.

The invention discloses a radix polygonati officinalis plantation method. The method comprises steps of preparing fertilizer packs each including components such as farmyard manures, lotus pond mud, vegetable dregs, oil meals and bean cakes, mixing the components to support an annular fertilizer pack, digging plantation caves, evenly scattering 80-mesh fine earth on the bottoms of the plantation caves, placing a fertilizer pack in each plantation cave, preserving a gap for placing radix polygonati officinali seedlings in the middle of the fertilizer pack, transplanting the prepared radix polygonati officinalis seedlings to the gaps of the plantation caves, filling fine earth to the plantation caves to fulfill the gaps between the roots of the radix polygonati officinalis seedlings and the fertilizer pack, watering the surround of the seedlings and watering 1,600 to 1,800 ml water for each seedling, and watering in the same way for each plant between the December of the current-planted year to the February of the next year. Antagonism between ions during absorption of,nutrient elements can be obviously reduced, so contents of various metal elements can be improved.

The invention provides a composite biological soil conditioner, and a preparation method and application thereof, belonging to the field of biotechnology. The composite biological soil conditioner provided by the invention can solve the problems that charcoal is alkaline and is limited in saline-alkali soil improvement, antagonism exists between bacterial manure and indigenous microorganisms and the like in the preparation of conventional composite soil conditioners. According to a technical scheme in the invention, the composite biological soil conditioner comprises the following components in parts by weight: 70-80 parts of modified charcoal and 20-30 parts of arbuscular mycorrhizal fungus bacterial fertilizer. The composite biological soil conditioner is prepared through the steps of preparing the modified charcoal, preparing arbuscular mycorrhizal fungus bacterial fertilizer, conducting mixing and the like, and is used for improving light and medium saline-alkali soil. The modifiedcharcoal and the arbuscular mycorrhizal fungus bacterial fertilizer produce a synergistic effect; and the charcoal can directly improve the physicochemical properties of saline alkali soil, reduce the salinity of surface soil, provide nutrition sources and refuges for microorganisms and ensure the survival rate of microorganisms in the arbuscular mycorrhizal fungus bacterial manure, so the bacterial manure is used for improving the salt tolerance of plants, promoting plant growth and improving the saline alkali soil.

The invention discloses a fermented water retention type sustained-release preparation and a preparation method thereof. The sustained-release preparation is characterized by comprising the following raw materials by weight: 100 parts of acrylic acid, 15-20 parts of straw fermentation broth, 5-7 parts of urea, 2-3 parts of trifluralin, 3-4 parts of fomesafen, 8-12 parts of sepiolite, 0.07-0.08 part of an initiator, 0.08-0.12 part of a crosslinking agent, 4-6 parts of sawdust, 3-4 parts of borax, 3-4 parts of polyvinyl alcohol, and 1.5-1.8 parts of guar gum. According to the invention, the weeding and insecticidal effective organic components and the organic fermentation broth are integrated, the fermentation broth provides sufficient organic matters for plant growth, the crop resistance to diseases is improved, the water absorption and drainage capacity is strong, the water permeability and air permeability of soil are enhanced, and the sustained-release effect of fertilizer is enhanced, the fermented water retention type sustained-release preparation has good biocompatibility, and is beneficial to sustainable development of resources.

The invention discloses a feed additive and a preparation method and application thereof. The feed additive is characterized by being prepared from, by weight, 0.4-1.5 wt% of traditional Chinese medicine composition and 2,000 mg / kg of nano-zinc oxide / graphene oxide composite. The feed additive is prepared by evenly mixing the traditional Chinese medicine composition powder or particles and the nano-zinc oxide / graphene oxide composite in proportion. The feed additive is used for treating or preventing intestinal diseases of piglets.