51results about How to "Balanced fertilizer effect" patented technology

The invention discloses a farmland planting method of high-selenium crops. The method is characterized by comprising the following steps: (1) uniformly mixing a nano selenium plant nutrient with a base fertilizer, applying the mixture to the surface of farmland soil and plowing so that the nano selenium plant nutrient is uniformly distributed on a plowing layer; (2) uniformly seeding on the farmland soil according to the crop types, and wetting and irrigating the soil surface layer 5-10 days after the crop seedling emerges; and (3) performing conventional field management on the crop according to different crop types until the crops are mature. According to the invention, the high-selenium crops can be cultivated, the selenium content is stable, and the proportion of organic selenium is high.

The invention belongs to the field of agricultural solid manure, and particularly relates to a water-retaining biological organic fertilizer used for mango and a preparation method thereof. According to the water-retaining biological organic fertilizer used for mango provided by the invention, mango bare branches, grass carbon, animal manure and municipal organic waste are used as raw materials, decayed materials are obtained through fermentation and decay of microorganism fungus, and then agricultural water retention agent is added in the decayed materials so as to obtain the water-retaining biological organic fertilizer used for mango, wherein the water-retaining biological organic fertilizer used for mango comprises the following raw materials according to parts by weight: 0-10 parts of mango bare branches, 25-35 parts of grass carbon, 30-40 parts of animal manure, 20-30 parts of municipal organic waste, 0.01-0.02 parts of microorganism fungus, and 0.1-0.4 parts of agricultural water retention agent. Through the utilization of the combination of mango bare branches, grass carbon, animal manure and municipal organic waste, special water-retaining biological organic fertilizer for mango for tip promoting, flower forcing and fruit enlarging is developed, so that waste is changed into valuable. Simultaneously, the water-retaining biological organic fertilizer used for mango obtained in the invention is good for water retaining, fertilizer maintenance and temperature preservation, and the structural performance of soil is improved; and the prepared particle biological organic fertilizer is resistant to storage and not easy for dehydration to cause particle scattering.

The invention discloses a paddy-rice controlled-release fertilizer, and a preparation method and application thererof. The paddy-rice controlled-release fertilizer is prepared by employing potassium dihydrogen phosphate, urease and nitrification-inhibitor-containing slow-release urea as fertilizer core, attapulgite clay as an inner cladding and paraffin as an outer cladding, employing a fusion spraying coating method and performing granulation and sieving. The paddy-rice controlled-release fertilizer is simple in preparation method, low in cost, good in surface fineness, long in fertilizer conservation time and convenient to use, is capable of effectively improving nitrogen and phosphorus pollution conditions in farmland pollutants, provides fertilizer efficiency needed by various growth periods of paddy rice by applying to soil before transplantation of paddy rice, and helps to reduce excess fertilizing and repeated fertilizing, reduce fertilizing cost and improve output and quality of paddy rice.

The invention relates to a preparation method of a special fertilizer for controlling soil insects for cherry trees. The preparation method comprises four steps of: preparing a raw fertilizer, preparing a nutrient fertilizer, preparing a pesticide effect fertilizer, and mixing the raw fertilizer, the nutrient fertilizer and the pesticide effect fertilizer to prepare the special fertilizer for controlling the soil insects for the cherry trees. The special fertilizer for the cherry trees, prepared by adopting the preparation method provided by the invention, is capable of remarkably increasing the yield of cherries; and the cherries are excellent in quality, bright in color, good in taste and long in nature preservation time, and the fertilizer has a remarkable effect of controlling various diseases caused by nutrient deficiency symptom due to accumulation in successive years for the cherries; and the consumption of the fertilizer is low, and thus the cost can be reduced, and soil is not hardened. The special fertilizer for the cheery trees, prepared by adopting the preparation method, has the effect of controlling the soil insects, is capable of effectively controlling insects such as scarabs and sympiezomias velatus, is durable in effect of controlling the soil insects by combining an insecticide composition with a slow release object, and ensures that the cherry trees are strong and muscular for a long time.

The invention provides a water-soluble nanometer organic carbon fertilizer and a preparation method thereof. The preparation method of the water-soluble nanometer organic carbon fertilizer includes: adding a biodynamic regulation agent in organic waste for biological enzymolysis deodorization, then smashing the organic waste, adding water for grinding the organic waste into slurry after the organic waste is smashed, adding a chemical catalysis cracking agent in the organic waste slurry obtained after grinding the organic waste, performing homogeneous emulsification treatment, and then performing nanometer extraction treatment, and obtaining the water-soluble nanometer organic carbon fertilizer after concentrating and drying. The preparation method uses the organic waste as raw material, has the advantages of being small in occupied land, little in manpower, low in energy consumption, high in efficiency, low in cost, simple and convenient in process, suitable for industrial production and the like, is thorough in processing, can not leave residues, and can not cause secondary pollution. If chemical fertilizer is added in the water-soluble nanometer organic carbon fertilizer, the water-soluble nanometer organic carbon fertilizer can be produced into full-nutritional water-soluble nanometer organic carbon fertilizer which has the advantages of being comprehensive and balanced in fertilizer efficiency and the like, is good in water solubility, and can be completely absorbed and used by a plant root system and soil microorganisms.

The invention provides a farmland fertilization system of potato starch process water and an application method thereof. The invention has the following process flows: (1) production water for washing starch and potato juice are mixed to form the process water by a centrifugal screen group and a swirler group and the process water enters an anti-seepage storage pool of the factory; (2) natural biological aeration treatment is performed for the process water of potato starch in the anti-seepage storage pool of the factory; (3) the process water after natural biological aeration treatment enters the field sub-pools by a pump station and a underground pipe network; (4) after the process water is diluted with clear water in a proportion of 1:1-1:3, in the field sub-pools, the diluted process water is used for farmland spray irrigation by a pressurizing pump station and a branch pipe network. In the invention, rich water farmland spray irrigation is used without affecting the cultivating area, thereby overcoming the deficiency that flooding is limited by farmland terrain. The spraying amount of the process water can be adjusted according to different farmland terrains so that the fertilizer efficiency of soil is uniform. Clear water dilutability of 1:1-1:3 is adopted, thereby saving the water resources effectively.

The invention discloses a biological organic fertilizer. The biological organic fertilizer is mainly prepared by mixing and fermenting the following raw materials in parts by weight: 50-60 parts of rapeseed meal, 10-20 parts of plant straws, 8-12 parts of garlic residues, 5-7 parts of bagasse, 8-12 parts of oyster shell powder, 2-6 parts of a calcium magnesium phosphate fertilizer, 6-10 parts of amino acid liquid, 20-30 parts of sewage, 1-2 parts of wood vinegar, 0.5-1.5 parts of a decomposed microbial inoculum and 1-3 parts of a composite functional microbial inoculum, wherein the composite functional microbial inoculum is a mixed microbial inoculum of bacillus amyloliquefaciens, bacillus mucilaginosus, bacillus megatherium and metarhizium anisopliae. The various microbial inoculums contained in the decomposed microbial inoculum added in the invention are not antagonistic to one another, and can have a synergistic effect in a fermentation process, so that growth of bacterial strains and production of metabolites are promoted, decomposition of fermentation raw materials is accelerated, and the fermentation period is shortened.

The invention discloses a navel orange cultivation method and belongs to the field of agriculture. The method includes the following steps of 1, soil selection, 2 ,grafting, 3, planting, 4, fertilization, 5, pest and disease damage prevention and control and 6, field management. According to the method, navel orange plants are planted by grafting, the survival rate of the plants is high, the plants grow well, and the method is conducive to the growth of the navel orange plants, an adopted organic fertilizer preparation method is simple, raw materials are easy to obtain, the fertilizer efficiency is balanced, and the soil fertility is easily improved. The cultivation method is simple in step, the field management is easily conducted, the fruiting rate of the navel orange plants is high, and harvested navel orange is good and uniform in quality and high in economic value.

The invention relates to a method for producing biogas energy while preparing an organic fertilizer or a compound fertilizer by using an inorganic fertilizer. The method comprises the following steps of inputting the inorganic fertilizer into a photo-bioreactor inoculated with microalgae to enable the microalgae to rapidly grow in the photo-bioreactor under the action of the inorganic fertilizer, separating the microalgae from the photo-bioreactor and placing the microalgae in a methane fermentor when the concentration of the microalgae reaches to 0.5g / L-50g / L, and performing fermentation for 3-45 days to generate methane, methane liquid and methane residues, wherein the methane liquid flows back to the photo-bioreactor to be re-utilized, the methane is used as an energy source, and the methane residues are used as the organic fertilizer or the compound fertilizer. Compared with the prior art, a whole system of the method is very simple, easy to manufacture and install and can be popularized and used in families, especially in peasant households, and the cost of required materials is low. When the whole system operates, except simply adding of the inorganic fertilizer, manual intervention is not required, manually-added inorganic substance and organic substance (including any forms of biomasses containing nutrient substance and derived fertilizers of the biomasses) are not required.

The invention discloses a slow-release fertilizer special for cotton and a preparation method thereof. The slow-release fertilizer special for the cotton is prepared from the following raw materials: by weight, 12-15 parts of urea, 12-15 parts of ammonium chloride, 6-9 parts of potassium chloride, 5-8 parts of monoammonium phosphate, 1-2 parts of copper sulfate, 1-2 parts of sodium selenite, 1-2 parts of ferrous sulfate, 2-3 parts of quicklime, 5-6 parts of meerschaum, 2-3 parts of calcium carbonate, 1-2 parts of melia root bark powder, 1-2 parts of drug residue ash, 0.01-0.02 part of compound sodium nitrophenolate, 2-3 parts of brown sugar and 1-2 parts of waste engine oil. In the slow-release fertilizer special for the cotton, through a bonding effect of the brown sugar, the copper sulfate, the sodium selenite and the ferrous sulfate are mixed, so that when the fertilizer releases, balance fertilizer efficiency can be guaranteed. The waste engine oil can coats all the fertilizer components so as to play a slow release effect. The quicklime can improve heavy metal pollution of soil, can combine heavy metals to deactivate the heavy metals, and can improve growth environment and conditions of the cotton. Because of reasonable allocation and slow release of nutrient elements such as nitrogen, phosphorus, potassium and various trace elements, the nutrient elements such as the nitrogen, the phosphorus, the potassium and the various trace elements are beneficial for growth of the cotton. The cotton yield can be increased by 20% to 25%, and diseases and insect pests during cotton growing periods can be decreased.

The invention relates to a fertilizer, particularly to a compound fertilizer and a preparation method thereof, which are mainly used for the soil nutrition of crops and belong to the technical field of fertilizer production. The compound fertilizer is prepared by using urea, monoammonium phosphate and potassium chloride as main raw materials and adopting the steps of adding a small quantity of one or the combination of trace elements: boron, zinc, manganese and molybdenum; pulverizing the raw materials; granulating; drying and the like. The compound fertilizer has high concentration, large fertilizer effect, uniform quality, uniform fertilizer effect, dispersity and non-agglomeration by granulation and convenient mechanical or manual fertilization, and contains abundant nutritious components without harming the crops.

The invention relates to fruit bags special for winter peaches and application of the fruit bags in winter peach cultivation, storage and transportation. Inner bags of the fruit bags are made by pressing white wax paper coated with wax on a single face and foam grids, and the outer surface wax layers of the inner bags are outward and are pressed together with the foam grids. In winter peach cultivation, the special fruit bags are adopted for bagging management at flowering and fruit-bearing stages and are matched with a special winter peach pruning method, water and fertilizer integrated bag-controlled slow release fertilizer and other cultivation techniques or measures so as to achieve high-quality and high-yield winter peach production. In addition, the phenomenon that fruit surfaces are scratched during transportation applying the fruit bags special for winter peaches and paper bag picking and transportation and accordingly fruit quality and other problems are influenced can be effectively avoided.

The invention belongs to the fertilizer and the production method thereof, which relates to organic controlled-release fertilizer produced by the propylhomoserin method. The organic controlled-release fertilizer is composed of waste residue of sodium glutamate, crop stalk, inorganic NPK raw material fertilizer, composite microbial agent, sulfuric acid and liquid ammonia. The composite microbial agent comprises 15 percent of photosynthetic bacteria, 5 percent of ray fungi, 10 percent of saccharomycete, 20 percent of P-releasing bacteria, 20 percent of K-releasing bacteria and 30 percent of azotobacteria. The waste residue of sodium glutamate, the crop stalk and nutshell in the proportion are mixed, and composted and fermented by adding the composite microbial agent, the inorganic NPK raw material fertilizer is added, then the liquid ammonia and the sulfuric acid are added, and the organic controlled-release fertilizer is produced through granulation, drying, cooling and screening. The organic controlled-release fertilizer has the advantages that the nitrogen, the phosphorus and the potassium can be released slowly; the content of the organic matter is high; the content of the nitrogen, the phosphorus and the potassium can be regulated according to the need; the production cost of the fertilizer can be reduced.

The invention provides a recycled organic fertilizer obtained by reusing sludge, cob and plant ash. The recycled organic fertilizer can improve and renovate organic matters in soil, promote microbe breeding, improve water retention and fertilizer conservation capability of soil, improve a soil structure, promote tight combination of nitrification, growth promotion and biological control, create a good ecological environment for good growth of plants and really realize continuous development of agriculture. Sludge, livestock and poultry faeces, plant ash, bone paste and EM bacteria are mixed into the recycled organic fertilizer. A weight ratio of sludge, livestock and poultry faeces, plant ash, bone paste to EM bacteria is 25: 40: 10: 20: 5. The recycled organic fertilizer can reduce use of chemical fertilizer, purify the local environment, greatly utilize and recover livestock and poultry faeces, change waste into valuables, improve farmer income, accord with a currently recommended strategic conception of rapid development of agricultural products and really realize continuous development of agriculture.

The invention provides pumpkin enzyme fertilizer and a preparation method thereof and belongs to the technical field of enzyme. The pumpkin enzyme fertilizer is made by microbial fermentation of the following raw materials of, by weight, 15-20 parts of watermelon, 40-50 parts of pumpkin, 10-15 parts of tomato, 25-35 parts of fresh plant, 0.5-1 parts of yeast, 1-3 parts of urea, 1-2 parts of potassium sulfate, 5-8 parts of superphosphate, 0.2-0.5 part of zinc sulfate, 0.5-1.5 parts of borax, 0.5-1 part of sugar, and 200-350 parts of water. Further provided is the preparation method of the pumpkin enzyme fertilizer. Enzyme powder of the pumpkin enzyme fertilizer has the advantages of containing a variety of beneficial microbial flora, having strong fermentation ability and decomposition power, and being capable of being applied as soil conditioner at the same time.

The invention discloses a dragon fruit planting method applicable to the northern areas of the Yangtze river basin. The method includes the following steps of erection and construction of a greenhouse, soil treatment, cutting seedling pre-treatment, cuttage, field management, flowering period management and fruit harvesting. By conducting fertilization step by step, the utilization efficiency of fertilizer is improved, and meanwhile, the fertilizer efficiency of the fertilizer can be brought into play slowly to make the fertilizer efficiency evenly performed on plants and save the cost; by adopting straw powder to cover the root parts of the plants, moisture preservation of the root parts of the plants is facilitated, and meanwhile, in the decay process of the straw powder, the decayed straw powder can be used as fertilizer to nourish the root parts of the plants for growing.

The invention discloses a vinasse composite efficient biological organic fertilizer comprising the components, by weight, of 60-80 parts of vinasse, 20-40 parts of smashed crop straw, 20-40 parts of feces of livestock and poultry, 10-30 parts of rice bran, 3-7 parts of composite bacteria, 1-3 parts of mineral matter fertilizers, 0.5-1 part of microelement additives, 1-3 parts of deodorants, 5-10 parts of mould rotten things and 2-4 parts of organic fertilizer fermentation agents. According to the vinasse composite efficient biological organic fertilizer, through the use of the vinasse, the crop straw, the feces of the livestock and poultry, the mineral matter fertilizers, the microelement additives and the like, on the one hand, waste resource recycling is greatly achieved, and organic fertilizer cost is reduced; on the other hand, the fertilizer efficiency of the obtained organic fertilizer is large and lasting, abundant nitrogen, phosphorus, potassium, calcium, magnesium and phosphorus and an appropriate amount of microelements are contained, the fertilizer efficiency is uniform, and the biological organic fertilizer has excellent comprehensive performance.

The invention discloses a special liquid organic fertilizer for large green jujubes, and a preparation method of the fertilizer, and belongs to the field of fertilizer processing. The liquid fertilizer is prepared from chicken manure, furfural residues, soybean meal, Common Threewingnut Root, Leaf of Bunge Pricklyash, fructus cnidii, Amur Corktree Bark, a solution containing nitrogen, phosphorus and potassium, amino acids and EM florae, and the liquid organic fertilizer is prepared through mixing, fermentation and separation steps. The special liquid organic fertilizer for large green jujubes has the advantages of common raw material components, simple preparation flow, short production period, long storage time, high absorption efficiency, suitableness for the large green jujubes to grow, meeting of nutrients needed by growth of the large green jujubes, and antibacterial efficacy, and is a novel liquid organic fertilizer.

The invention belongs to the field of biological fertilizers, and in particular discloses a selenium enriched plant extract composite film forming regulator and a preparation method thereof. The selenium enriched plant extract composite film forming regulator mainly includes an inorganic fertilizer, an organic fertilizer and a microbial fertilizer. The selenium enriched plant extract composite film forming regulator comprises the following components: 30-60 parts of an inorganic fertilizer, 10-15 parts of Rhizoma Bletillae, 10-15 parts of garden burnet, 5-10 parts of catechu, 5-15 parts of Coptis chinensis, 15-25 parts of polyvinyl alcohol, 20-25 parts of sodium carboxymethylcellulose and 0.5-1.5 parts of Na2SeO3. The selenium enriched plant extract composite film forming regulator can improve the soil structure, has a wide application range, and can effectively improve the survival rate of seedling-forming-period crops; by organic combination and interaction of pepper, tobacco leaf, allicin, dongguo, mint and the like, the drug effect of the pesticide composition can be played to the largest degree, raw materials are relatively easy to get, production cost is low, development of resistance is delayed, and the service life is prolonged.

The invention discloses a special liquid organic fertilizer for oranges and a preparation method thereof, and belongs to the processing field of fertilizers. The liquid organic fertilizer is prepared from the following raw materials: cow dung, mushroom residues, biogas slurry, veratrum nigrum, ricinus communis, chenopodium ambrosioides, anabasis aphylla, a nitrogen, phosphorus and potassium-containing solution, amino acid and EM flora; the liquid organic fertilizer is prepared through a series of steps including mixing, fermenting, separating and the like. The special liquid organic fertilizer for the oranges, disclosed by the invention, has the advantages of being common in raw material components, simple in preparation process, short in production period, long in storage time and high in absorption efficiency, and not only can meet nutrients required for the growth of the oranges, but also has an antibacterial effect, thereby being a novel liquid organic fertilizer.

The invention discloses a special compound coated fertilizer for vegetables and melons and fruits. The special compound coated fertilizer is prepared from the following raw materials in parts by weight: 54-59 parts of straw shells, 35-42 parts of branch leaves, 30-34 parts of bovine urine, 26-30 parts of peanut meal, 8-11 parts of humic acid, 21-26 parts of tea meal, 34-39 parts of peanut shell meal, 13-16 parts of clay, 1-2 parts of thiourea, 18-23 parts of potassium sulfate, 3-5 parts of magnesium sulfate, 1-2 parts of manganese sulfate, 1-2 parts of zinc borate, 6-8 parts of EM (Effective Microorganism) fungicide, 8-10 parts of soil conditioner and a proper amount of water. According to the fertilizer disclosed by the invention, various organic fertilizers which are fermented are mixed with inorganic fertilizers, so that the fertilizer efficiency is balanced; humic acid is added to improve hardened soil so as to promote growth of crops and improve the disease resistance of the crops. Through the coating step, the fertilizer has a slow release effect so as to maintain lasting and effective fertilizer efficiency and prevent loss of fertility, thus the output and quality of the crops are improved.

The invention discloses water hyacinth and cyanobacteria compound fermented organic fertilizer. The organic fertilizer is prepared from the components in parts by weight as follows: 40-60 parts of water hyacinth, 30-50 parts of cyanobacteria, 20-40 parts of chaff, 1-3 parts of complex flora, 20-30 parts of poultry and livestock manure, 2-4 parts of mineral fertilizer, 0.5-1 part of trace element additives and 1-3 parts of a deodorant. The water hyacinth and cyanobacteria compound fermented organic fertilizer is prepared from water hyacinth and cyanobacteria in eutrophication plants in water as main raw materials by adding the chaff and the poultry and livestock manure and through microbial fermentation; the organic fertilizer is rich in nutrient, high and uniform in fertilizer efficiency, lasting in fertility, and excellent in comprehensive energy efficiency.

The invention discloses a method of utilizing greening waste to produce high-efficiency compound fertilizer. Aiming at the problem that simplex landscaping waste is unbalanced in nutrient, the compound fertilizer is doped with nitrogen, phosphorus and potassium, so that fertilizer effect balance is ensured; aiming at the characteristic that chemical fertilizer is too fast while not lasting in fertilizer effect, fermented green waste is added as organic fertilizer, charcoal is added and can delay release of fertilizer nutrients in soil and lower leaching of the fertilizer nutrients, and porousstructure of the charcoal becomes a good environment for soil microorganisms to inhabit, so that soil beneficial microorganisms are protected while multiplication thereof is promoted. Finally, aimingat the problem that soil heavy metal pollution is serious, the charcoal is added into the compound fertilizer, and the characteristic that the charcoal has the porous structure, large specific surfacearea and negative charge on the surface is utilized, so that soil heavy metal can be adsorbed and retained greatly, and damage to plants caused by the fact that the soil heavy metal enters bodies ofthe plants is reduced.

The invention discloses a preparation method of a water hyacinth and blue-green algae compound fermentation organic fertilizer. The preparation method includes the steps: (1) pre-treating water hyacinths; (2) pre-treating blue-green alga; (3) preparing mixed materials; (4) fermenting pretreated mixed materials; (5) performing puffing for the fermented mixed materials; (6) granulating. According to the preparation method of the water hyacinth and blue-green algae compound fermentation organic fertilizer, by the aid of pretreatment before fermentation and chaff mixing modes, the water content of the blue-green alga is effectively reduced without increasing crushing cost, chaff is added, so that the blue-green alga cannot change alga cakes, loosening and ventilating functions are achieved, and mineral fertilizers and microelement additives are used, so that the prepared organic fertilizer is rich in nutrition element, high and uniform in effect and durable in fertility.

The invention discloses a readily available organic compound fertilizer preparation method, and belongs to the technical field of fertilizer. The preparation method comprises the following steps: a, preparation of organic fertilizer extracting solution: uniformly mixing 2-6 parts by weight of edible germ bran or straw powder, 2-7 parts by weight of livestock and poultry fresh faeces, 1-4 parts by weight of water, 0.05-0.4 part by weight of a nitrogen source, and 0.1-0.3 part by weight of an EM living bacteria microbial preparation, performing piling fermentation, performing filtering to obtain the filtrate, and performing evaporation and concentration to obtain an organic fertilizer extracting liquid; and b, compounding: adding fulvic acid and amino acids into the organic fertilizer extracting liquid to prepare the readily available organic compound fertilizer, wherein the organic fertilizer extracting liquid is 5.5-9.5 parts by weight, the fulvic acid is 0.5-2 parts by weight, and the amino acids are 0.5-2 parts by weight. The organic compound fertilizer provided by the invention has high content of effective components, has balanced, rapid and lasting fertilizer efficiency, has wide application and fewer application amounts, and is convenient for application. After application of the organic compound fertilizer, the crop yield is increased by 10-20%.

The invention belongs to the field of biological fertilizers, and particularly discloses a selenium-enriched organic pesticidal synergistic biological compound capsule fertilizer and a preparation method thereof. The fertilizer mainly comprises an inorganic fertilizer, an organic fertilizer and a microbial fertilizer, and is composed of the following components in parts by weight: 10-15 parts of arabic gum, 15-20 parts of hydroxyethyl cellulose, 20-25 parts of phoxim, 25-30 parts of triazophos and the like. According to the invention, the phoxim and triazophos can reasonably adjust the release of pesticide effective components, thereby improving the pesticide effect, prolonging the lasting period and reducing environmental pollution; the phoxim and the triazophos are compounded to achieve an obvious synergistic effect; and the prepared microbial organic fertilizer contains ferment bacteria, Trichoderma and other biocontrol strains, thereby effectively preventing and treating root rot, blight and other soil-borne diseases on the basis of culturing and improving the soil microecological environment.

The invention discloses a method for improving tobacco planting soil by returning straw stalks to the field. The method comprises the following steps that obtained straw stalk powder is added into a charging barrel along a feeding hopper, the straw stalk powder is spirally extruded from a discharge port of the charging barrel, so that the straw stalk powder extruded from the discharge port is granulated, and the straw stalk powder is changed into straw stalk granules; a granulating mechanism is mounted on a partition plate, so that the granulated straw stalk particles uniformly fall into fertilization bins on the two sides of a fertilization box; a front wheel shaft and a second gear on the front wheel shaft are driven to rotate, the second gear drives a third gear to rotate through a transmission gear and a first chain, and the third gear drives a material stirring shaft and a fertilizing wheel on the material stirring shaft to rotate; and when the fertilizing wheel rotates, the fertilizer located in an arc-shaped groove is uniformly scattered in a groove formed by a front ditching plate and a rear ditching plate. The method for improving the tobacco planting soil by returning the straw stalks to the field has the advantages that rice straw particles and organic fertilizers in the market are fully mixed, and uniform fertilization can be realized.

A quick-acting composite organic fertilizer is prepared proportionally from the powder of edible fungus, bran and stalk, fresh droppings or dung of fowls and animals, water, N source and living microbe preparation EM through mixing, stacking, fermenting, filtering to obtain liquid extract, and adding xanthonic acid and amino acid proportionally. It can increase the yield of agricultural crops by 10-20%.

The invention belongs to the field of biological fertilizers, and particularly discloses a selenium-enriched plant extract compound fertilizer and a preparation method thereof. The fertilizer mainly comprises an inorganic fertilizer, an organic fertilizer and a microbial fertilizer, and is composed of the following components in parts by weight: 30-60 parts of inorganic fertilizer, 20-25 parts of pepper, 10-15 parts of tobacco leaf, 15-20 parts of allicin, 10-15 parts of dongguo, 20-25 parts of mint and 0.5-1.5 parts of Na2SeO3.The selenium-enriched plant extract compound fertilizer provided by the invention can improve the soil structure, is wide in application range and can effectively increase the survival rate of a crop at a seedling stage; the pepper, tobacco leaf, allicin, dongguo, mint and the like are organically combined to interact, so that the pesticide composition takes the pesticide effect to the greatest extent; and the fertilizer has the advantages of relatively high raw material accessibility, low preparation cost, resistance development postponing and reagent service life prolonging.

The invention relates to the technical field of agricultural machinery, and discloses a straw returning device which comprises a shell, a smashing device is arranged in the shell, an automatic inserting and pressing device is arranged in the middle of the smashing device, and a rolling device is arranged on the right side of the outer portion of the shell. The automatic inserting and pressing device is used for inserting and pressing smashed straw into the deep position of soil, the smashed straw can be conveniently and evenly mixed with the soil, and therefore the fertilizer efficiency of the soil can be more uniform.