86results about How to "Improve crop resistance" patented technology

The invention discloses a method for preparing organic fertilizer from paper-making sludge. The materials such as paper-making sludge, amendment are mixed, subjected to high-temperature aerobic fermentation, post maturation and crushing, screened, and mixed with fertilizer of nitrogen, phosphorus, potassium and the like and medium and micro elements to prepare the organic fertilizer. The method has the advantages of simple process, easy operation, obvious innocuous effect, no environmental pollution and little nutrient loss; and the organic fertilizer prepared by the method is widely applied to industrial crops such as vegetables, fruit trees, Chinese herbal medicines, flowers and field crops such as wheat, corn, paddy rice.

The invention relates to a quick-acting multi-microorganism composite water flush fertilizer and a preparation method thereof. The quick-acting multi-microorganism composite water flush fertilizer is characterized by being prepared by mixing bacterial powder which is prepared by fermenting and culturing photosynthetic bacteria, pichiafermentanslodder, lactic acid bacteria, bifidobacterium, bacillus subtilis, bacillus licheniformis, brevibacillus laterosporus, bacillus megaterium, bacillus mucilaginosus, azotobocter chroococcum and actinomycetes. The density of the pichiafermentanslodder ACCC20319T in the quick-acting multi-microorganism composite water flush fertilizer is more than or equal to 2.0*10<8>cfu / g, and the densities of other bacteria are more than or equal to 2.0*10<9>cfu / g. The quick-acting multi-microorganism composite water flush fertilizer can improve the quality and yield of crops and shorten growth period of crops.

The invention relates to a method for producing water-soluble fertilizers, in particular to a method for producing the water-soluble fertilizers with biochemical humic acid. The method is characterized by including matrix fermentation, concentrated liquor preparation and finished product preparation: firstly, weighing prepared concentrated liquor; secondly, adding modifiers, heating and stirring the liquor in the whole process, controlling the temperature to range from 40 DEG C to 60 DEG C, and cooling the liquor to be below 30 DEG C after reaction to obtain the fertilizers; and thirdly, packaging the fertilizers. The mass ratio of the concentrated liquor, the modifiers and inorganic auxiliary materials is (55-80): (0.1-2): (20-45). The method is simple in manufacture, easy in operation and high in actionability, solves the problem of water solubility of organic fertilizers, provides nutrition, improves soil, prevents diseases and insect pests, and integrates the effects of fertilizer supplementation, bacterium resistance and disease resistance. The fertilizers have balanced nutrition, stable state and persistent fertilizer effects, crop yield can be remarkably improved, the quality of agricultural products is improved, and soil fertility is enhanced.

The invention discloses a deep-ploughing-free compound microbial fertilizer, and each ton of the fertilizer contains 10-25 kg of polyacrylamide, 10-30 kg of bacillus subtilis, 5-25 kg of streptomyces microflavus, 5-20 kg of bacillus laterosporus, 1-4 kg of diethylaminoethyl hexanoate, 20-50 kg of a polyaspartic acid, 5-25 kg of EDTA (Ethylene Diamine Tetraacetic Acid), 10-30 kg of urea, 5-20 kg of potassium humate, and the balance of organic filler. The fertilizer disclosed by the invention is high in microbial activity and strong in biological stability, can be used for effectively improving the soil aggregate structure, eliminating the soil hardening, enhancing the infiltration capacity of soil, and improving the cushioning properties of soil, and can be used for alleviating the damages on crops caused by soil secondary salinization due to excess fertilization; and the fertilizer disclosed by the invention also can be used for promoting the growth and development of beneficial microorganisms in the soil, thereby improving the utilization rate of the fertilizer and promoting the root growth of crops, so that roots are developed, the disease resistance of crops is enhanced, and the yield-increasing effect is obvious.

The invention discloses a crop straw decomposition agent. The crop straw decomposition agent is composed of the following components by mass percent: 20%-30% of bacillus subtilis, 20%-30% of aspergillus niger, 10%-15% of candida utilis, 15%-20% of trichoderma viride, 10%-15% of aspergillus oryzae and 1%-2% of cellulase. In order to solve the problems such that current straws are directly returned to fields, and the temperature rise is slow, the decomposition is slow and the decomposition effect is poor when the straws are used for composting an organic fertilizer, crop straw decomposition is tested for a plurality of years, microorganism strains and biological enzyme preparations are continuously screened, and finally, the bacillus subtilis, the aspergillus niger, the candida utilis, the trichoderma viride, the aspergillus oryzae and the cellulase are prepared into the crop straw decomposition agent according to the scheme. The four fungi are not antagonistic and combined with the cellulase to have a synergistic interaction effect and the straws can be rapidly decomposed.

The invention provides soil activating powder; the components are as follows in parts by weight: 50 to 70 parts of organic fermentation product, 10 to 25 parts of sucrose, 15 to 35 parts of straw green powder, 5 to 10 parts of bacterial cellulose, 3 to 7 parts of Xanthan, 5 to 15 parts of humic acid, 0.05 to 0.2 part of pH buffer, and 0.1 to 0.5 part of soil disinfectant. The soil activating powder can comprehensively improve and control the physical structure, the fertility, the microbial activity, the water characteristics, the cohesion anti-erosion capability and the like of the soil, has the advantages of strong functions, low cost, simple use, applicability to the improvement of various poor degraded soil and the like, and is mainly used for the improvement of various poor soil.

The invention provides a comprehensive method for soil conditioning and restoration. The method comprises the following steps: before crops are planted or after fruit trees are harvested, oyster shellpowder, silicon-calcium-potassium-magnesium fertilizer, biological organic fertilizer, a biological control agent and ternary compound fertilizer are applied to soil; before the fruit trees are sprouted and bloomed, a macroelement water-soluble fertilizer and humic acid water-soluble fertilizer are applied to the soil; during a swelling period of young fruits of the fruit trees, silicon-calcium-potassium-magnesium fertilizer and a composite microbial bacterial liquid are applied to the soil; and during a fruit strengthening period of the fruit trees, high-potassium fertilizer and seaweed fertilizer are applied to the soil. The method is used for conditioning and restoring the soil, so that the pH of the soil tends to be neutral, and the acidification degree is obviously reduced; the organic matter content of the soil is obviously increased, the soil becomes loose and breathable, and the soil layer is deep and thick; and the heavy metal content in the soil is reduced, so that securityof the planted crops is improved, and the yield is improved. The method provided by the invention does not interrupt growth of the crops in the soil, enables the crops to grow healthily while conditioning and restoring the soil, and improves quality of the crops, so that economic benefits of growers are guaranteed.

The invention discloses a production method for a dual acid chelate inorganic compound fertilizer, and the product belongs to the field of compound fertilizer manufacture. Apart from containing abundant nitrogen, phosphorus and potassium, the fertilizer also contains medium and trace elements in a variety of amino acids and humic acid chelates. By long-term use of the product, soil structure can be regulated efficiently, soil can be activated, the equalization, stability and lasting effects of the nitrogen, phosphorus and potassium elements can be coordinated, abilities of plants to resist droughts, cold, adversities, continuous cropping, withering and yellowing, and root rot can be improved, and immune functions can be enhanced. The raw materials used in the production of the product include urea, monoammonium phosphate, potassium hydrogen sulfate molten mass, iron amino acid chelate, boron amino acid chelate, copper amino acid chelate, manganese amino acid chelate, molybdenum amino acid chelate, zinc humic acid chelate, calcium humic acid chelate, magnesium humic acid chelate, a controlled release agent, and gaseous ammonia.

The invention provides a humic acid organic biological compound fertilizer, which contains active ingredients of activated humic acid, chicken manure, biological bacteria, etc. The weight proportion of the activated humic acid to the chicken manure is 1:1.5-2, and the preferred weight proportion is 1:2, and the biological bacteria is 30 million strains per gram. The humic acid organic biological compound fertilizer can effectively improve soil, fertilize the soil productivity, improve the soil permeability, improve the moisture and fertility preserving capability of the soil, transform phosphor, potassium, middle elements and trace elements in the soil which are difficult to be utilized by crops into effective nutrient that the crops can use, resist the action of pathogenic bacteria in the soil, and improve the disease resistance of the crops.

The invention relates to a Chinese yam continuous cropping resisting cultivation technology, and belongs to the technical field of crop production. The Chinese yam continuous cropping resisting cultivation technology includes: when vines completely climb a whole frame after Chinese yam is planted, spraying 50wt% carbendazim wetting powder; in the middle growth stage, spraying 80wt% mancozeb wetting powder on leaf surfaces, spraying the 80wt% mancozeb wetting powder every other 15d, and spraying the 80wt% mancozeb wetting powder for 3-4 times; in the full blooming stage, spraying a mixture of the 80wt% mancozeb wetting powder and amino acid soluble fertilizer on the leaf surfaces, spraying the mixture every other 7d, and spraying the mixture twice; in the later stage, spraying 90wt% mancozeb wetting powder, spraying the 90wt% mancozeb wetting powder every other 15d, and spraying the 90wt% mancozeb wetting powder once or twice. The Chinese yam continuous cropping resisting cultivation technology sprays pesticides according to specific time, specific sequence and specific concentration, greatly reduces occurrence rate of insect damage to Chinese yam, remarkably reduces disease occurrence of the Chinese yam, improves yield and quality of the Chinese yam, and solves the defect that crop rotation is needed when the Chinese yam is planted in the prior art. The Chinese yam continuous cropping resisting cultivation technology further improves continuous cropping resisting ability of the Chinese yam by changing a seed soaking and soil disinfecting method.

The invention discloses sulphur-based gamma-biological compound fertilizer and a preparation method thereof. The sulphur-based gamma-biological compound fertilizer comprises gamma-poly(glutamic acid), wheat straw extract, microbial agents and secondary elements, namely, nitrogen elements, phosphorus elements and potassium elements. The gamma-poly(glutamic acid) and the microbial agents are prepared through the fermentation process. The wheat straw extract is obtained by extracting and processing young wheat straw seedlings. The secondary elements are obtained through related compound powder. The sulphur-based gamma-biological compound fertilizer comprises 0.1-5.0 parts of gamma-poly(glutamic acid), 3-12 parts of wheat straw extract, 2-6 parts of microbial agents, 20-30 parts of urea, 55-85 parts of monoammonium phosphate and 30-50 parts of potassium sulfate, wherein microelements include calcium, magnesium, sulphur, manganese, zinc, boron and molybdenum. By means of the sulphur-based gamma-biological compound fertilizer, the nitrogen nutrition utilization rate can be increased, and by means of the supplementary effect of synergistic interaction of the gamma-poly(glutamic acid) and the wheat straw extract, the soil microenvironment is improved, the nutrient absorption is promoted, the crop yield is increased, and the disease-resistant, stress-resistant, anti-interference and successive crop prevention capacity of plants is improved.

The invention discloses an amino acid liquid mineral fertilizer wrapped by microcapsules and a preparation method of the fertilizer, and belongs to the field of fertilizer production. The preparation method comprises the steps that 60%-75% of composite amino acid liquid with the content ranging from 10% to 25%, 1%-5% of medium trace elements, 1%-5% of potassium fulvic acid, 17%-32% of mineral fertilizer, 1% of stabilizer, 1% of release controlling agent and an appropriate amount of sodium hydroxide aqueous solution are taken as the raw materials, production and microencapsulation of liquid fertilizer and solid fertilizer are conducted, and a finished product is obtained. The production method and the product have the advantages that the production cost is low, energy conservation and environment friendliness are achieved, the water-retaining capacity is high, nutrient elements needed by crops can be provided, besides, the effects of adsorbing heavy metal and morbid substances in soil, balancing soil nutrients, activating soil vigor, promoting metabolism of the crops and improving resistance and immune function of the crops can be achieved, the yield is generally increased by about 20%, the effects of improving drought resistance, premature aging resistance and continuous cropping resistance of the crops can be achieved, and the amino acid liquid mineral fertilizer is a pure natural product and free of toxic and side effects.

The invention relates to a sarcandra high-yield cultivation method which comprises the implementing step of carrying out topdressing according to the growth condition of plants after sarcandra is transplanted and field-planted, wherein topdressing is respectively carried out once in spring and in summer every year and 60 to 80kg of flower fertilizer and 12 to 13kg of potassium chloride are mixed with water for watering per mu; an aqueous solution of fluid silicon is sprayed for once every month; the aqueous solution of fluid silicon is applied by uniformly mixing 7 parts of fluid silicon, 3 parts of a rare earth nutrient solution, 6 parts of fluid molybdenum, 8 parts of brassinolide and 3,000 parts of water and spraying. The sarcandra high-yield cultivation method has the benefits that liquor adopted by the sarcandra high-yield cultivation method rapidly heal the hazard to crops, which is caused by nutritional imbalance and phytotoxicity and content of chlorophyll in leaves of paris polyphylla and photosynthesis of the leaves of paris polyphylla are improved; growth and development of root systems of paris polyphylla and adsorption operation of the root system of paris polyphylla for trace elements such as nitrogen, phosphorus and potassium are promoted and the utilization rate of the fertilizer is improved; drought resistance, resistance to continuous cropping and disease resistance of paris polyphylla are improved; the harvesting yield of paris polyphylla cultivated by the method is improved by over 10 percent.

The invention relates to a cultivation method, in particular to an organic cultivation method for improving the thousand grain weight of rice. The organic cultivation method comprises at a rice filling stage, utilizing organic fertilizer becoming thoroughly decomposed by fermentation to perform topdressing, placing the organic fertilizer in snakeskin bags according to the quantity of 10kg per 2000 / 3 square meters, placing the organic fertilizer at water inlets of rice fields when water is fed to the rice fields, and letting flowing water naturally bring the organic fertilizer into the fields. The organic fertilizer becoming thoroughly decomposed is applied at the rice filling stage, and the thousand grain weight is increased remarkably.

The invention discloses a biological organic fertilizer and a production method thereof, and belongs to the field of fertilizers. The biological organic fertilizer contains the following components: more than or equal to 20 million active living bacteria per gram, more than or equal to 45% of organic matters, more than or equal to 5% of total nutrient, less than or equal to 30% of water, and less than or equal to 100 fecal coliform per gram, and has the pH of 5.5-7, wherein the death rate of roundworm ova is more than or equal to 90%, and the validity period is more than or equal to 12 months. The biological organic fertilizer has the effects of a microbial fertilizer and an organic fertilizer, and can change wastes into valuable and protect the environment; and the production method can effectively shorten the production period and reduce the production cost.

The invention discloses chlorine-based gamma-biological compound fertilizer and a preparation method thereof. The chlorine-based gamma-biological compound fertilizer comprises gamma-poly(glutamic acid), wheat straw extract, microbial agents and secondary elements, namely, nitrogen elements, phosphorus elements and potassium elements. The gamma-poly(glutamic acid) and the microbial agents are integrally prepared through the fermentation process. The wheat straw extract is obtained by extracting and processing young wheat straw seedlings. The secondary elements are obtained through related compound powder. The chlorine-based gamma-biological compound fertilizer comprises 0.1-5.0 parts of gamma-poly(glutamic acid), 3-12 parts of wheat straw extract, 2-6 parts of microbial agents, 20-30 parts of urea, 55-85 parts of monoammonium phosphate and 30-40 parts of potassium chloride, wherein the number of microorganisms in each gram of the microbial agents is two billion or larger. By means of the chlorine-based gamma-biological compound fertilizer, the nitrogen nutrition utilization rate can be increased, and by means of the supplementary effect of synergistic interaction of the gamma-poly(glutamic acid) and the wheat straw extract, the soil microenvironment is improved, the nutrient absorption is promoted, the crop yield is increased, and the disease-resistant, stress-resistant, anti-interference and successive crop prevention capacity of plants is improved.

The invention relates to a fast growing turf-based controlled / slow-release ecological fertilizer as well as a preparation method and application thereof. The ecological fertilizer contains active components or other beneficial components, wherein the active components include a slow-release fertilizer component, a quick-acting fertilizer component and a cytokinin production bacterial agent. The mass content of total nutrients (N+P2O5+K2O) in the ecological fertilizer is more than or equal to 30%; carrier carbon used in a slow-release fertilizer is fast growing turf; the cytokinin production bacterial agent contains florae of bacillus megatherium, bacillus subtilis, bacillus mucilaginosus and trichoderma. The fast growing turf-based controlled / slow-release ecological fertilizer has the beneficial effects that the quality of the adopted fast growing turf is superior to that of charcoal prepared from traditional agricultural waste: the charcoal yield is high, and the preparation cost of charcoal can be lowered; the prepared fertilizer for paddy fields is beneficial to the sedimentation of charcoal base; the adsorption capacity to nutrient elements is enhanced; and the soil acidification caused by the overusing of a chemical fertilizer can be improved, and meanwhile, the bio-availability can be reduced by passivating heavy metal ions in soil through strong basicity.

The invention discloses a method for cultivating pinellia ternate. The method includes steps of spraying formulated fertilizers on the pinellia ternate once in 25 days after the pinellia ternate is cultivated. The formulated fertilizers comprise 8-10 parts of root tuber and stem tuber swelling agents, 2-6 parts of root hair promoting agents, 5-8 parts of high-content fluid compound fertilizers and 800-1000 parts of small-molecule water. A process for preparing the formulated fertilizers includes mixing the root hair promoting agents, the root tuber and stem tuber swelling agents and the high-content fluid compound fertilizers with one another for 10 minutes to obtain mixtures and then uniformly mixing and stirring the mixtures with an equal quantity of water; sufficiently dissolving the mixtures in the water, then mixing the mixtures with the residual water to obtain the formulated fertilizers and instantly spraying the formulated fertilizers on the pinellia ternate. Compared with the prior art, the method has the advantages that the chlorophyll content of the pinellia ternate can be increased, and photosynthesis of the pinellia ternate can be improved; growth and development of root systems of the pinellia ternate and nitrogen, phosphorus, potassium and medium trace element absorption and transportation of the pinellia ternate can be promoted, and the fertilizer utilization rate can be increased; the drought resistance, the continuous cropping resistance and the disease resistance of the pinellia ternate can be improved; as shown by the yield of the pinellia ternate harvested in 250 mu of trial field parcels, root tubers and stem tubers of the pinellia ternate cultivated by the aid of the method can quickly swell, and the yield can be increased by 20% at least.

The invention provides a method for planting Dendrobium nobile on stones in a wild environment. The method includes the following steps: selection and treatment of the stones; treatment of soil; selection of a fertilizer; selection of seedlings; planting; water management; and growth in the wild environment. According to the growth characteristics of the Dendrobium nobile, water absorption stones for growth of wild Dendrobium nobile are selected, simple treatment is performed on the stones, a plurality of holes are cut in the stones, and rice soup is arranged on surfaces of the stones; a few of water soluble fertilizer are applied, sterilization treatment is performed on the soil; the Dendrobium nobile is placed in a clean shade of trees near a river bank, a period of spraying is performed on Dendrobium nobile the after planting, and then the Dendrobium nobile is allowed to naturally grow in a natural environment; Dracaena angustifolia extract is added into the water soluble fertilizer, the Dracaena angustifolia extract can enhance the bacteriostat stress resistance of crops such as resistance to pests, resistance to diseases, resistance to draught, resistance to cold, resistance to waterlogging, resistance to dry and hot wind, resistance to salt and alkali, and resistance to continuous cropping, and then survival and the final yield of the Dendrobium nobile can be ensured; the method is simple and can avoid diseases and pests; the medicinal value of the obtained Dendrobium nobile has almost no difference from the medicinal value of the actual wild Dendrobium nobile; and the method can be promoted in a large scale.

The invention provides a compound enzyme soil modifier and preparation method, use method and applications thereof. The components of the compound enzyme include: 30.6%-39.5% of monomeric enzymes, 57.5%-66.4% of water, 3%-4% of glucose; the preparation method comprises the steps of: placing the monomeric enzyme into the fermentation tank and stirring with water; heating to 38.5 DEG C and fermenting for 30 days, adding glucose and stirring for 10 days; when 60 days of fermentation are completed pouring the mixture into a static tank for maturing cultivation, waiting for another 30 days to obtain the fermented liquid; injecting the fermented liquid evenly into the zeolite powder, drying the water content to 15%-17% of the total weight. The use method is 50kg of compound enzyme soil modifier per acre. The application areas include: reduction of pesticide residue, promotion of plant growth, drought resistance, continuous planting resistance, invasive species resistance, improvement of soil condition and maintenance of ecological balance. The compound enzyme soil modifier provided by the patent application can effectively improve the unfavorable condition of soil.

The invention provides a soil remediation fertilizer prepared from kitchen waste as well as a preparation method and an application of the soil remediation fertilizer. The soil remediation fertilizeris prepared from kitchen waste subjected to anaerobic heat treatment, a complex microbial inoculant and a synergistic component. The soil remediation fertilizer prepared from the kitchen waste can reduce resource waste and effectively improve the problems of grease, germs and worm eggs of the kitchen waste, so that the physical, chemical and biological properties of soil are effectively improved,soil nutrients are maintained, and the utilization rate of the soil nutrients is increased.

The invention discloses a preparation method of a seedling culture substrate with a growth promoting function, comprising the following steps: steps 1, material preparation: taking 15.0-35.0 parts ofperlite, 15.0-35.0 parts of vermiculite and 30.0-70.0 parts of organic material according to parts by weight for later use; step 2, preparation of functional strain: selecting bacillus amyloliquefaciens as the functional strain in the fertilizer, wherein the functional strain is produced in the form of fungus powder, and the activity of the functional strain is not less than 3 hundred million / g; step 3, preparation of the seedling culture substrate with a growth promotion function: mixing the materials in steps 1, adding the functional strain in step 2 which accounts for 0.1-0.5% of the totalweight of the fertilizer in the mixing process, and uniformly mixing, so as to obtain the seedling culture substrate with a growth promoting function, wherein the activity of the strain is not less than 30 million / g. The seedling culture substrate cannot cause damage to the environment and crops, is safe, health, pollution-free, and thus is a novel green and environment-friendly, and simple and efficiency seedling culture substrate.

The invention discloses an agricultural compound microbial agent and application thereof, belonging to the technical field of microorganisms. The agricultural compound microbial agent comprises enterobacter aerogenes CT-B09-2, acinetobacter calcoaceticus WYS-A01-1, bacillus amyloliquefaciens JL-B05, bacillus amyloliquefaciens JL-B06 and bacillus licheniformis LYN-3, wherein the total viable bacteria concentration is (5-8)*10<8> cfu / ml or (2-3)*10<9> cfu / g. The agricultural compound microbial agent can promote the growth of crops, improves the disease-preventing, disease-resisting, stress-resisting and continuous-cropping-resisting capabilities of the crops, increases the yield of the crops and improves the quality of agricultural products.

The invention relates to a biological organic fertilizer for preventing and controlling soil successive cropping obstacles and a preparation method thereof. The biological organic fertilizer is prepared by mixing medical stone fungicide and cake dreg leavening in a weight ratio of 1:(1-4), and carrying out secondary fermentation under a sealed piling condition for 24-36 hours, wherein the amount of ACCC10388 viable bacteria in the medical stone fungicide is 4*10<8>-5*10<8> / g; the amount of ACCC10634 and ACCC10626 viable bacteria in the cake dreg leavening is 1*10<9>-2*10<9> / g. The invention further provides a preparation method and application of the biological organic fertilizer. According to the invention, the natural medical stones are combined with excellent organic maters and beneficial microorganism to bring a synergistic effect into play, so that the biological organic fertilizer with a special effect is prepared, and intensive agricultural production is realized.

The invention provides a crop yield-increasing agent and a preparation method thereof; the crop yield-increasing agent is prepared from, by weight, 20-40 parts of gibberellin, 20-30 parts of compound sodium nitrophenolate, 20-30 parts of 5-aminolevulinic acid, 10-25 parts of plant active liquid, 45-75 parts of a filling material, 20-40 parts of solubilizer, 10-15 parts of salicylic acid, and 50-85 parts of water. The crop yield-increasing agent is nontoxic to human and livestock, easily degrades in the environment and is free of residue; compared with other phytohormone yield-increasing agents, the crop yield-increasing agent has more stable effect and longer acting time and can provide significantly increased fruiting rate and yield of rice.

The invention relates to multi-nutrition natural mineral fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer. The multi-nutrition natural mineral fertilizer is prepared from raw materials in parts by weight as follows: 45-80 parts of medical stone, 15-30 parts of calcite, 8-19 parts of apatite, 10-22 parts of feldspar, 8-15 parts of zeolite, 20-28 parts of diatomaceous earth, 18-27 parts of perlite, 8-16 parts of chlorite, 5-9 parts of Hyuga volcanic pumice stone, 5-9 parts of Satsuma stone and 2-6 parts of sepiolite. The multi-nutrition natural mineral fertilizer is formed by mixing multiple natural minerals, can supplement secondary elements such as calcium, magnesium, sulfur and the like and trace elements such as boron, zinc, copper, iron, molybdenum, manganese and the like to crops, can be widely applied to the crops such as wheat, corn, melons, fruits, vegetables and the like, and can promote growth, increase the output, improve the quality, improve the soil and enhance the resistance of the crops, and most of all, the fertilizer is non-toxic and harmless.

The invention relates to a technology for preparing a soil repairing agent containing multiple elements. The soil repairing agent comprises, by weight, 30-70 parts of a bioorganic fertilizer, 0.5-1 part of composite Bacillus subtilis, 10-25 parts of a nano-porous mineral repairing agent, 5-10 parts of potassium fulvate and 5-20 parts of bentonite. The invention also provides a multifunctional soilrepairing agent. The multifunctional soil repairing agent comprises, by weight, 5-10 parts of the composite Bacillus subtilis, 20-50 parts of the nano-porous mineral repairing agent, 10-20 parts of chelated medium trace elements and 5-20 parts of bentonite. Compared with soil repairing agents in the prior art, the soil repairing agent prepared in the invention has the ability to improve the micro-ecology of soil, improve the functions of beneficial bacteria in the soil, improve soil hardening and regulate and buffer the pH value of the soil, also can comprehensively supplement the medium trace elements in soil, promote the growth of roots and comprehensively improve the fertilizer utilization rate, and can significantly reduce environmental pollution and improve the safety of foods and the quality of crops.

The invention discloses a microbial water-retaining water-soluble fertilizer for reclamation in a rocky desertification bauxite mining area and a preparation method thereof. The microbial water-retaining water-soluble fertilizer comprises the following raw materials by weight: 3 to 6 parts of a composite microbial agent, 18 to 22 parts of a polyglutamic acid fermentation broth, 55 to 65 parts of an alcohol concentrated fermentation broth, 1 to 3 parts of potassium dihydrogen phosphate, 3 to 5 parts of potassium nitrate, 5 to 7 parts of ammonium nitrate, 0.5 to 1 part of sodium octoborate tetrahydrate, 0.8 to 1.2 parts of EDTA iron, 0.1 to 0.5 part of EDTA manganese, 0.08 to 0.12 part of EDTA zinc, 0.08 to 0.12 part of EDTA copper, 0.08 to 0.12 part of ammonium molybdate, 0.8 to 1.2 parts of a composite enzyme preparation and 0.8 to 1.2 parts of potassium hydroxide. The water-soluble fertilizer provided by the invention can improve activity of microorganisms in soil, has the performances of water and nutrient retention, soil improvement and the like, and improves fertility.

The invention relates to agricultural chemistry, in particular to a polypharmaceutical with high successive cropping resistance of crops, which is characterized in that the polypharmaceutical consists of 23 to 27 percent of nutrition enhancement balancer, 10 to 30 percent of plant growth regulator, and 20 to 25 percent of bactericide. Experiments prove that the successive cropping resistant capability of the crops can be improved by more than 90 percent after the use, and the grafting effect can be achieved; and the absorptivity of the crops to nutritive substances is improved to 97 percent, the crops are mature 8 days earlier, melon and vegetable crops are increased by between 30 and 80 percent in yield, and field crops are increased by between 30 and 50 percent in yield.