54results about How to "Reduce fertilizer use" patented technology

A system and a method of computer controlled irrigation and fertigation composed of one or more sensors positioned in order to quantify the amount of water and / or nutrients that a plant is consuming. By controlling the fertigation, the plant or a part thereof, has improved yield and quality,

The invention discloses a method for quickly producing a bio-organic fertilizer by using tobacco stalks and the bio-organic fertilizer. The raw materials for producing the bio-organic fertilizer in the method comprise the following substances in percentage by weight: 30 to 70 percent of tobacco stalks subjected to steam explosion treatment, 20 to 50 percent of mixed accessories, 5 to 15 percent of conditioning agent and 1 to 5 percent of microbial flora; and the bio-organic fertilizer is prepared through an aerobic composting process, wherein the stacking C / N ratio is adjusted to be 25 to 35 / 1, the water content is adjusted to be 50 to 65 percent, the pH is controlled to be 5.0 to 8.5, the strip stamping height is 1.0 to 1.5 m, and the tobacco stalks are crushed, screened and packaged after reaching a maturity index. The method has the characteristics of fast treatment, high efficiency and fast maturity, and has an important practical significance for fully using wasted tobacco stalk resources, improving the ecological environment of tobacco planting areas and reducing environmental pollution. The bio-organic fertilizer has high organic content, has the effects of improving the soil structure and improving the soil fertility, and can be widely used for planting economic crops of tobaccos, vegetables and the like.

The invention discloses a biomass charcoal-enveloped controlled-release fertilizer and a preparation method thereof. The fertilizer is prepared from the raw materials of, by weight: 20-30 parts of rice husk, 45-70 parts of a 3-6wt% sodium hydroxide solution, 10-15 parts of corn straw, 20-30 parts of urea, 15-25 parts of attapulgite, 10-15 parts of ammonium bicarbonate, 8-12 parts of potassium sulfate, 4-6 parts of trace elements, 15-25 parts of a calcium-magnesium-phosphorous fertilizer, 6-8 parts of a binding agent and a proper amount of water. Specifically, the enveloped controlled-release fertilizer is prepared with a rice husk and plant straw sealed charring technology and with the binding agent prepared from polyvinyl alcohol. As a result of tests, the biomass charcoal-enveloped controlled-release fertilizer has a significant controlled release effect. According to different plant requirements, the controlled-release speed can be adjusted by adjusting the proportion of the added enveloping agent. Most of the components in the enveloping agent is biomass charcoal, such that the pollution degree to the environment is almost zero. Also, a fertilizer dose is reduced, and fertilizer utilization rate is greatly improved.

The invention provides a multiple-effect super absorbent resin fertilizer. In the manufacturing process, sodium hydrogen sulfite and ammonium persulfate oxidation-reduction type initiator are used as foundations, and ultraviolet initiation is used as an auxiliary means; N-N'-methylene bisacrylamide is used as a crosslinking foundation, and ethylene glycol diglycidyl ether and glycerol are used as auxiliary means; hydroxyethyl acrylate is added in the polymerized monomer, so that the colloid strength of the high molecular polymer is obviously improved; antioxidant, ultraviolet absorbent and light stabilizer are creatively introduced, thus finally manufacturing super absorbent resin having oxidation resistance, light resistance and degradation resistance; the super absorbent resin is organically combined with humic acid, microbial inoculant and an inorganic fertilizer to perform synergistic action, so that the various effective elements achieve the optimal use effect. Meanwhile, the consumption of the inorganic fertilizer is reduced, the salt content of soil is reduced, the pH value of the soil is improved, the soil environment is improved, and soil hardening is prevented, thus greatly increasing the utilization ratio of nitrogen fertilizers, phosphate fertilizers and potassium fertilizers, and achieving comprehensive effects of water saving, fertilizer saving, yield increase and outcome increase.

The invention discloses an organic fertilizing method of returning all wheat straw to field; a complete ditch system is established for autumn sowing wheat seeds, the wheat is sown by adopting strip or band shaped wide-narrow rows, apart from applying fertilizer in sowing season and seedling period, livestock and poultry manure organic fertilizer is applied to wide lines or empty rows of the wheat field in a plurality of periods; rice straw is turned and buried by combining intertill of the wide lines and the empty rows from winter to shooting stage; wheat stubble is kept 25-30cm when the wheat is mechanically harvested, then the rest wheat straw is buried in the wheat field ditches; the wheat field is irrigated, and paddy rice is planted in the empty rows among the wheat stubble, thus forming a band-shaped layout; only a chemical fertilizer is applied as a base fertilizer used in paddy rice plantation and as a tillering fertilizer, and the other base fertilizer adopts livestock and poultry manure organic fertilizer; when the water supply of the paddy field is cut off for field drainage, the wheat straw buried in the field ditch is taken out and distributed in the wide lines or empty rows of the paddy field, 1-4 days before finishing field drainage and rewatering, the livestock and poultry manure organic fertilizer is applied as a panicle fertilizer in the wide lines or empty rows of the paddy field. The organic fertilizing method of returning all wheat straw to field has the advantages of simple operation, and can effectively realize resource recycling of straw and livestock and poultry manure.

The invention relates to controlled release fertilizer with a chitosan capsule and a preparation method for the fertilizer. In the fertilizer common chemical fertilizer is taken as the core and a chitosan coating layer is added outside the fertilizer. The invention also provides a preparation method of the controlled release fertilizer with a chitosan capsule. In the method, the common chemical fertilizer is evenly stirred and is then carried out granulation and parching, and a chitosan coating layer is then evenly sprayed and the fertilizer is perforated and packaged. The fertilizer has the advantages of low cost material and easy obtaining as well as prolonging the fertility of the fertilizer and improving the utilization ratio of the fertilizer, thus reducing the using amount of the fertilizer and reducing the fertilizer loss. Therefore, the invention not only saves the resource, protects the environment, saves time, saves labor and reduces the labor intensity of the peasant, but also can promote the agricultural benefit and peasant income-increasing.

The invention discloses a water and fertilizer integrated fertilizer applying method for mangoes, which belongs to the technical field of agricultural irrigation and fertilizer application. The water and fertilizer integrated fertilizer applying method comprises the following steps of dissolving a water soluble fertilizer in water, and performing infiltration irrigation to soil at root zones, wherein the infiltration irrigation specifically comprises infiltration irrigation fertilizer application for mangoes at a flower bud differentiation period, infiltration irrigation fertilizer application for mangoes at a flowering period, infiltration irrigation fertilizer application for mangoes at a young fruit enlarging period, and infiltration irrigation fertilizer application for mangoes after being picked. Compared with a conventional fertilizer applying method, the water and fertilizer integrated fertilizer applying method disclosed by the invention has the advantages that the amount of the fertilizer is saved by 50% or above, the evaporation amount of water is notably reduced, and water is saved by 80%; the problem of pressure difference caused by a slope is solved, flow quantities of the water and the fertilizer on slopes and below the slopes are uniform, the growth vigours of tree bodies on the slopes and below the slopes are the same, and the yield is notably increased by 30% or above. An infiltration irrigation pipeline used for the method is buried underground, and farming operations of field weeding and insecticide spraying are not influenced.

The invention relates to a plant disease prevention and control technology, and in particular relates to a comprehensive prevention and control method for rot disease of semennelumbinis. The comprehensive prevention and control method combines agricultural practice, biological control and chemic control into a trinity, and prevents the epidemic and harm of the rot disease of the semennelumbinis. The comprehensive prevention and control method has a simple operation process, is labor-saving, time-saving and cost-saving, and is suitable for scale planting bases as well as scattered planting hillocks. When being used for preventing and controlling the rot disease of the semennelumbinis, the comprehensive prevention and control method has the advantages of early prevention, early control and prevention and treatment combination, reaches an prevention and control rate of 85%-95%, saves labor by 10%-15%, saves the usage amount of chemical fertilizer by 15%-20%, saves production cost by 10%-20%, increases production by 105-15%, and improves economic benefits by more than 20%-30%.

The invention discloses a wrapped urea sustained-release fertilizer and a preparation method thereof. According to the invention, rural organic solid waste rich in organic matters is adopted as a raw material; plant ash and an anaerobic fermentation product biogas residue are bonded with the bonding property of bentonite; the mixture is well mixed according to a certain ratio, and is used for wrapping urea, such that the wrapped sustained-release fertilizer is obtained. The fertilizer provided by the invention is advantaged in simple production method, and low cost. The materials are easy to obtain. The sustained-release fertilizer is especially suitable for rural family daily fertilization. With the fertilizer and the preparation method, the utilization efficiency of the fertilizer is improved; the fertilizer dosage and the economic investment of farmers are reduced; no side effect is brought to animals and growing environments thereof; and no soil agglutination is caused.

The invention relates to a fertilizer synergistic agent. The fertilizer synergistic agent consists of a calcium silicon fertilizer, mixed raw ore powder and an activating agent. When in use, the fertilizer synergistic agent is mixed with a nitrogen, phosphorus and potassium composite fertilizer to form a base fertilizer or an additional fertilizer so as to comprehensively provide needed nutrients for the growth and development of crops. The fertilizer synergistic agent can improve the functions of physiological activity, nutrition and metabolism of plants, promote the formation of growth hormone and adjust the activity of enzyme. The product has strong capability of adsorption, chelation and ion exchange, can enrich nutritive elements of soil and the fertilizer and is slowly released according to the requirement of the needed fertilizer of the crop, thereby improving utilization rate and effective utilization period of the fertilizer, improving bioavailability of the fertilizer, reducing use amount of the fertilizer and the times of fertilization, promoting development and activity of a root system, strengthening photosynthetic capacity and immunity of the plant, improving the capability of adverse resistance, improving comprehensive quality of the product, increasing yield, purifying soil environment and improving ecological condition.

The invention relates to a lysine biological salt decomposition bacteria mixture, an organic fertilizer thereof and preparation methods of the lysine biological salt decomposition mixture and the organic fertilizer. In proportion by weight, the lysine biological salt decomposition mixture comprises 2 parts of lysine biological salt decomposition bacteria fertilizer, 100-200 parts of auxiliary materials, 1 part of lysine, 0.001-0.002 parts of BA-6, 0.006 parts of chitin, 9-10 parts of nitrobacteria and 2 parts of humic acid; the lysine biological salt decomposition bacteria mixture is prepared through the following steps of: mixing the liquid raw materials lysine, BA-6 and chitin, mixing and uniformly stirring the biological salt decomposition bacteria fertilizer and the auxiliaries to form a strain fermentation mother strain, adding the strain fermentation mother strain, the nitrobacteria and the humic acid into a mixer, stirring uniformly, and spraying the liquid raw materials onto the solid raw materials to prepare the lysine biological salt decomposition bacteria fertilizer; the organic fertilizer is prepared by adding organic and inorganic elements into the lysine biological salt decomposition bacteria fertilizer and fermenting. According to the lysine biological salt decomposition bacteria mixture, the organic fertilizer and the preparation methods, the difficulty in primary and secondary salinization of soil is solved, high-lysine vegetables can be produced, the soil environment can be restored and the nutrients of the produced fruits and vegetables can be increased, so that the environment protection and nutrition balance are realized and the circular economic development demands are met.

The invention belongs to the field of agriculture cultivation and specifically relates to a cherry bacterial fertilizer and a preparation method thereof. The cherry bacterial fertilizer is capable of effectively increasing the utilization efficiency of the fertilizer, the cherry yield and quality can be obviously increased and obvious economic benefit can be generated.

The invention discloses a grain seed direct sowing method. The method comprises the following steps that quality seeds are selected, degradable thin film is prepared and made from a PBAT material; theselected seeds are soaked and aired and subjected to coating and seed drying treatment; the selected seeds regularly adhere to the degradable thin film according to the sowing technology of the seeds; the degradable thin film is regularly laid on a big field, and the degradable thin film laid on the big field is pressed by a heavy object, a plate-shaped object or a pressing roller and the like; under the premise of not influencing the sowing efficiency obviously and effectively ensuring reliable growth of seeds, scientific and accurate sowing is achieved, the starting points of seed groups are consistent, and the method is beneficial for saving the seeds, controlling planting cost and greatly increasing the yield.

The invention belongs to the field of organic fertilizer technology, and specifically relates to a method for planting agaricus blazei murill and co-producing an organic fertilizer by using fungi residues of agaricus blazei murill. The method comprises the following technological processes: collecting crop straw, performing concentrated grinding, mixing, pre-wetting the straw with water, adding cow dung to build a pile, adding calcium superphosphate, mineral substances and quick lime during three times of moisture measurement and pile turning processes, putting the mixture into a shed, placing the mixture on a bed surface, performing secondary fermentation, arranging the bed surface, measuring moisture and spraying water, sowing seeds, performing soil covering treatment, covering soil for the second time, spraying the water, fruiting, spreading earthworm species, breeding earthworms, and screening out the earthworms to prepare the organic fertilizer. According to the method suitable for planting agaricus blazei murill in the north, provided by the invention, agaricus blazei murill is suitable for being planted in the North through secondary soil filling, the yield also can be increased, the size of the mushroom is uniform, and the quality of the mushroom is good; and the prepared organic fertilizer not only can prevent diseases and inhibit bacteria, but also can promote the growth of plants.

The invention discloses a culture medium and a culture method for culturing field-exposed auricularia auricula. The culture medium comprises the following raw materials: 35-45% of mango branch sawdust, 25-35% of tea twig powder, 22.3-24.3% of weed tree sawdust, 5.5-7.5% of wheat bran, 0.05-0.15% of gypsum powder, 0.05-0.15% of hydrated lime powder. The culture method comprises: (1) manufacturing mushroom sticks: mixing raw materials of the culture medium, then adding water, stirring the raw materials with water uniformly, putting the mixture into a bag for sterilization, and performing aseptic inoculation; (2) puncturing holes in the mushroom sticks: puncturing holes by adopting a hole puncturing machine; and (3) arranging the mushroom sticks: selecting a winter fallow farmland after harvesting from the end of September to the mid October, cleaning and leveling the farmland first, spraying hydrated lime on the ground surface for sterilization, and then carrying out arrangement of the mushroom sticks. Tea twigs applied to the culture medium provided by the invention are rich in cellulose, tea polyphenols, polysaccharides, vitamins, mineral substances, proteins and the like, and mango branches are rich in carbohydrates, vitamins, microelements and the like. The culture medium provided by the invention provides necessary substances for the growth of the auricularia auricula and enables nutrients to be proportioned more balanced, so that a product has a fragrant mouthfeel, a higher yield and better quality.

The invention provides a lotus rhizome interplanting Nasturtium officinale R.Br. and late rice high efficiency cultivation method mainly comprising the following steps: 1, selecting Yexiangyou rice seed, Lianxiang no.1 lotus rhizome seed and first generation Nasturtium officinale R.Br. seed; 2, selecting fertile soil field with strong water retention fertilizer conservation capability as the interplanting field; 3, planting at proper time; 4, reasonably closely planting; 5, reasonably applying fertilizers; 6, timely controlling insect and diseases. The method can realize interplanting of the lotus rhizome, Nasturtium officinale R.Br. and late rice, and can greatly reduce base fertilizer and topdressing application amount; the Nasturtium officinale R.Br. interplanting method can protect the lotus rhizome for safe overwintering, can improve soil temperature, thus advancing lotus rhizome seed germination growth time, and the lotus rhizome harvesting time can be advanced by 15-20 days when compared with other methods; the Nasturtium officinale R.Br. can be pressed into the mud in April of the next year so as to serve the lotus rhizome green fertilizer, thus reducing lotus rhizome additional fertilizer frequency and fertilizer amount; the late rice paddy rice tillering is normal, and the interplanting paddy rice needs no pesticide sprinkling, no fertilizer is needed, and the throw inserting seedling number is no difference from the double cropping late rice.

The invention relates to a soil conditioner. The soil conditioner contains Brevibacillus laterosporus and Streptomyces fradiae; the metabolites are zeatin (Z, ZR, IPA and diHZ), auxin (IAA), gibberellin (GA3) and abscisic acid (ABA); and the content of Brevibacillus laterosporus is 0.20-1.5 billion per gram and the content of Streptomyces fradiae is 0.20-1.5 billion per gram. By adopting the soil conditioner, the dosage of fertilizer can be reduced, the environmental pollutions can be reduced, soil compaction can be eliminated, the crop can have high yield and high quality, and the production is efficient.

The invention relates to the field of agriculture, and particularly relates to a kiwi fruit planting method. During growing of kiwi fruit, waste materials like cyperus rotundus, honeysuckle twigs andpepper leaves are well composted to be used as a fertilizer to be applied to a kiwi fruit garden, all kiwi fruit trees in the kiwi fruit garden are sprayed with a mixed extracted solution of cyperus rotundus, honeysuckle twigs and pepper leaves, so that effective components in the cyperus rotundus, honeysuckle twigs and pepper leaves are fully utilized and the cyperus rotundus, honeysuckle twigs and pepper leaves play a role of expelling parasite. The planting method needs a little amount of fertilizer and can produce kiwi fruit with high nutrition. The kiwi fruit obtained through the plantingmethod contains more selenium and vitamin C.

The invention belongs to the technical field of fertilizer production and in particular relates to a special functional urea formaldehyde fertilizer for garlic and a preparation method thereof. Each ton of the fertilizer is prepared from the following raw materials: 5kg-15kg of polyaspartic acid, 40kg-60kg of urea formaldehyde, 325kg-356kg of urea, 215kg-240kg of monoammonium phosphate, 290kg-305kg of potassium chloride and 64kg-85kg of sulfur. The fertilizer is rich in nutritional elements such as nitrogen, phosphorus, potassium, sulfur and the like necessary for the garlic and meets the growth and development needs of the garlic, and the yields of young garlic shoots and garlic bulbs are increased by 19% and 16% respectively in comparison with reference yields; the utilization rate of the fertilizer can be increased, and the utilization rates of nitrogen, phosphorus and potassium are increased by 18.0%, 15.7% and 13.7% respectively in comparison with those of nitrogen, phosphorus, potassium in a general fertilizer, so that the fertilizer consumption is reduced and the fertilizer effect is lasting; the disease resistance of the garlic is improved, and the diseased plant rate is reduced by 73.7% in comparison with that of reference garlic; the fertilizer is nontoxic, pollution-free and free of ecological environment damage.

The invention belongs to the technical field of fruit tree cultivation and management, and particularly provides a method for improving the ecological environment by intercropping sweet clover with the multiple cropping combination of velvet bean and Chinese trumpet creeper in an orchard. The method comprises the steps of sowing with green manure, nursing and management, mowing and utilization andthe like. By intercropping the perennial upright green manure crop sweet clover with the multiple cropping combination of the summer green manure velvet bean and the winter green manure Chinese trumpet creeper in the orchard, the velvet bean, the Chinese trumpet creeper and other enwinding type green manure plants are guided in climbing on the sweet clover, prevented from climbing on vines and being wound on fruit trees and then prevented from affecting the growth of the fruit trees and fruits; through regular mowing, the surface of soil is covered with fresh grasses, and the land surface temperature is adjusted; the green manure and fresh grass production is increased, the content of organic matter in the orchard soil is increased, soil and water are preserved, weeds are inhibited, so that the application amount of chemical fertilizers is reduced, the ecological environment of the orchard is improved, the quality of the fruits is improved, and the market competitiveness is improved.

A disclosed nutrient solution promoting fruit trees to bloom is prepared from the following raw materials in parts by weight: 7-14 parts of bone meal, 3-6 parts of wood vinegar, 30-70 parts of water, 5-10 parts of calcium nitrate, 4-7 parts of borax, 4-8 parts of potassium nitrate, 5-10 parts of calcium superphosphate, 6-9 parts of zinc sulfate, 3-7 parts of magnesium sulfate, 2-5 parts of sodium molybdate, 5-8 parts of urea, 3-6 parts of amino acid, 7-11 parts of cane sugar, 4-8 parts of Chinese medical stone, 3-7 parts of boric acid, 4-7 parts of manganese sulfate, 4-8 parts of vitamin B, 2-5 parts of copper sulphate and 3-7 parts of ferric sulfate. The provided nutrient solution promoting fruit trees to bloom helps to reduce usage amount of a fertilizer and promote fruit trees to bloom, and is comprehensive and balanced in nutrients and contains multiple trace elements.

The invention discloses a fertilizer reutilization technology for vegetable tail vegetables by a composting method. The method comprises the steps as follows: after harvesting vegetables in spring, shoveling a piece of idle land about 4-5 m<2> in summer, spreading a plastic film of the same size on the ground, piling up and compacting vegetable tail vegetables with soil at a ratio of 3:1.5, spraying a biological bacterial fertilizer dilution solution 3 to 4 times when building a pile until waste is piled up, covering the pile with soil uniformly, and then sealing the pile with the plastic filmfor closed fermentation; after 10 to 15 days of high-temperature stuffiness, turning over the pile once mechanically or manually, then sealing the pile with the plastic film for the closed fermentation again for 10 to 15 days, drying in the sun and raking finely to obtain a very good organic fertilizer. By adopting the technology provided by the invention, the major problems such as shortage of organic fertilizers, decline of land productivity, lack of guarantee on quality, safety of agricultural products and the like in agricultural production can effectively solved, the agricultural ecological environment can be improved, the quality of the agricultural products can be enhanced, the market competitiveness of the agricultural products can be increased, and the income of farmers can be increased.

The invention relates to a novel mineral fertilizer. The novel mineral fertilizer consists of the following components in part by weight: 38 to 42 parts of urea containing 16 to 18 percent of nitrogen (N), 38 to 42 parts of mineral fertilizer synergist, 8 to 10 parts of polypeptidase and 8 to 10 parts of adhesive. The novel mineral fertilizer has the advantages of greatly increasing utilization ratio of the fertilizer because the polypeptidase or a biological enzyme activating agent is added into the fertilizer, activating various solidified nutrients, such as nitrogen, phosphorus, potassium and the like, in soil so that the various solidified nutrients are reused by crops, reducing using amount of the fertilizer, improving soil, improving soil fertility, having catalytic and regulating and controlling functions, regulating and controlling release speed of the nutrients, and achieving quick response and long effect.

The invention discloses a flue-cured tobacco seedling cultivating method adopting modes of shallow water, ventilation in advance and seedling hardening. On the basis of an existing flue-cured tobacco seedling float-breeding method, seedling cultivation is improved, and the depth of seedling cultivating nutrient solution water is from 2.5 cm to 3.5 cm; when tobacco seedlings grow into the large-cross stage and reach the grown-up seedling standard, water is drained for hardening the seedlings; when the seedlings grow to the small-cross stage, the two sides of a seedling cultivating shed are opened to the one fifth-one third portion from the bottom to the top in the day for ventilating; when the seedlings grow to the large-cross stage, the two sides of the seedling cultivating shed are opened to the one third-one second portion from the bottom to the top for ventilating in the day. On the basis of seedling float-breeding, the seedling cultivating modes of shallow water and ventilation in advance are adopted for being beneficial for saving fertilizer, enabling the seedlings to be strong and promoting roots, mosses can be effectively prevented and treated, the disadvantage that the transplanted tobacco seedlings are excessively large or small due to the high or low temperature can be effectively relieved for the cultivated young seedlings, and the method is particularly suitable for cellar type transplantation.

The invention discloses a method for breeding leeches in a rice field, wherein the rice field is chosen to be in a place where water is abundant and irrigation and drainage are convenient; escape-proof nets are arranged at an water inlet and drainage outlet, and on the periphery of the rice field; 8000-10000 young leeches and 20-30 kg of snails are put in each acre of rice field for breeding; through breeding leeches in the rice field and due to feeding habits of leeches, a great many injurious insects in the rice filed can be eliminated, so that the cost of pesticide can be effectively reduced, and the rice is more environmental-friendly, and besides, excreta of leeches and residual feed can serve as a good organic fertilizer, therefore, the usage of fertilizer in the breeding process can be reduced, and activity of leeches in the soil plays a role of loosening the soil, which brings great benefit to growth of rice. When the method for breeding leeches in the rice field is compared with the method of planting rice independently, the yield in increased by 5%-10%, the cost is reduced by 20%-30%.

The invention relates to a medicinal stone biological water flush fertilizer and a preparation method thereof. The fertilizer contains the following components in percentage by weight: 20 to 30 percent of medicinal stone powder, 1 to 2 percent of beneficial bacteria, 20 to 25 percent of nitrogen, 20 to 25 percent of phosphorus, 10 to 15 percent of potassium, and 25 to 30 percent of humic acid. The fertilizer can be directly used together with water, directly exerts the fertilizer effect after use, has high fertilizer effect, can be directly absorbed by crops after use, can effectively promote the development of crop roots and increase the quantity of the roots, and enables the plant nutrient absorption to be comprehensive and rich. The fertilizer not only can improve the yield of the crops, but also can promote the quality of the crops. More importantly, due to the addition of the medicinal stone powder, the water flush fertilizer can effectively degrade pesticide and chemical fertilizer residues in the soil so that the soil is not hardened. The water flush fertilizer can correspondingly reduce the fertilizing amount and lower the planting cost.

The invention provides a special disease-prevention and root growth-promotion powdery agricultural microbial agent for strawberries, and a production technology thereof. The agricultural microbial agent comprises the following components: a carrier which is vermiculite powder; microbial thalluses which are Bacillus licheniformis, Bacillus mucilaginosus, Bacillus cereus and Streptomyces microflavus; a protection agent which comprises glycerol, skimmed milk powder, chitosan, ascorbic acid, citric acid, composite amino acid and dextrin; and an adsorbent which is weathered coal dust, wherein the microbial thalluses are bacterial sludge obtained after centrifugation and precipitation of a fermentation solution. The production technology comprises the following steps: strain activation, shakingculture, fermentation culture, bacterial sludge production, ingredient addition and aseptic packaging. The above formula is specially designed for the strawberries against the easy powdery mildew invasion problem of the strawberries according to the growth characteristics of shallow root system and large blades of the strawberries; the agricultural microbial agent has the advantages of good livingbacterium symbiosis, good stability, and realization of green blades, powdery mildew resistance and obviously enhanced stress resistance of cultivated plants; and the production technology has the advantages of simplicity, low cost, and convenience in promotion and use.

The invention discloses a long-acting slow-release fertilizer used in a planting early stage of Pseudostellaria heterophylla and a preparation method thereof. The long-acting slow-release fertilizer comprises a fertilizer component and is formed through the steps that the fertilizer component is adsorbed by porous starch, and uniformly mixed with a water-soluble solid powder-like carbon source anda carrier material and mutually dissolved, and then solidified and smashed into particles, wherein a using proportion of the fertilizer component : the porous starch : the water-soluble solid powder-like carbon source and the carrier material is 1:1:(1.2 to 1.5). The preparation method comprises three steps of uniformly mixing fertilizer component, adsorbing and coating. According to the long-acting slow-release fertilizer, based on biology and cultivation characters of the Pseudostellaria heterophylla, the fertilizer component is innovatively coated with a slow release system, thus effectively solving a fertilizer replenishing and long-acting problem that the Pseudostellaria heterophylla likes the fertilizer but not resistant to the fertilizer; meanwhile, a dosage of the fertilizer is reduced, an utilization ratio of the fertilizer is improved, the fertilizer is only needed to be applied once without topdressing, the applying is convenient, labor-saving and safe, the fertilizer efficiency after applying is stable and, and is powerful in later stage, and disease-resistant and lodging-resistant effects, yield increasing and plant soil pollution reduction are realized.

The invention relates to a production method and large-scale application of special organic block-type fertilizer for peanuts. Organic matters such as straws are used as a nutrient carrier to be proportioned with nutrients for peanut to be prepared into solid fertilizer by virtue of strong pressing way, when in application, the fertilizer is arranged in a depth of 20cm in a soil layer, then the fertilizer is covered with soil to plant the peanuts, and a precise quantitative fertilizer application way of one block of fertilizer for one peanut plant can be formed, so that the nutrient utilization rate can be increased; and the integrated mechanized operation of tillage, fertilizer application and seeding of the peanuts can be realized, the application amount of chemical fertilizer for the peanuts can be reduced, organic matters can be increased, and a fertilizer application mode combining the planting and maintaining of peanuts can be realized.

The invention relates to a BB fertilizer suitable for tobacco planting and a preparation method. A slow-release BB fertilizer belongs to the technical field of fertilizer production, and is composed of 30-60 parts of coated urea, 10-25 parts of potassium sulfate, 60-80 parts of an organic fertilizer and 8-10 parts of a composite microbial agent. According to the BB fertilizer, the effective utilization rate of nitrogen, phosphorus and potassium can be increased by about 20%. By controlling the application of the BB fertilizer, the fertilizer consumption is reduced, the fertilizer utilization rate is increased, the fertilization frequency is reduced, the nutrient loss is reduced, and the labor cost and the fertilizer cost are reduced.