32results about How to "Improve physical and chemical conditions" patented technology

A method for ecologically improving tobacco-planting soil is disclosed. In October of the first year, after flue-cured tobaccos or corns are harvested, straws are chopped down and spread on furrows directly without plowing soil, straw decomposition accelerator or other microbe fertilizers are spread on the straws, and then ridge soil is dumped in furrows to cover and bury the straws. Green manure is applied in lines, common vetch green manure is applied on the soil surface burying the straws in lines with a width of 55-65cm, and the green manure is buried by ridging without plowing. In the next year, 10-15days before transplanting flue-cured tobaccos, flue-cured tobacco base fertilizer is applied on the green manure according to the line-spacing requirements of flue-cured tobaccos, soil is gathered to the green manure from two sides of the green manure to bury the green manure and ridge for planting flue-cured tobaccos. The method effectively improves soil, lowers production investment, ensures high yield, improves the physical properties of the soil, and increases organic matters and nutrients of the tobacco-planting soil. Moreover, the microbe amount and enzyme activity of the soil and the tobacco leaves quality are improved, the soil quality is retained and improved, and continuous flue-cured tobacco production and development in tobacco areas are facilitated.

The invention discloses an acid soil conditioner prepared from iron ore tailings.The acid soil conditioner comprises, by weight, 15-70 parts of the iron ore tailings, 1-30 parts of organic fertilizer, 1-40 parts of coarse sand and 1-20 parts of building stones, wherein the organic fertilizer comprises straw and excrement, and the building stones comprise either or both of limestone and dolomite.Meanwhile, the invention discloses a preparation method of the acid soil conditioner prepared from the iron ore tailings.By means of the acid soil conditioner, the acid soil environment can be remarkably improved, nutrient substances are provided, the void ratio of soil is increased, water retention capability and nutritional ingredient conveying capability of the soil are improved, it is beneficial to absorption of crops, and the utilization rate of the fertilizer is remarkably raised.

The invention discloses a planting, plowing and ridging method for a green manure on a tobacco stubble. The planting, plowing and ridging method is realized by the following steps of firstly, after flue-cured tobacco or maizes are harvested, cutting off flue-cured tobacco straws or maize straws from July to October of the first year, avoiding the plowing of soil, and directly performing zero tillage sowing on green manure in furrows; secondly, sowing green manure seeds accounting for two-thirds of the seed consumption of the whole filed in the furrows, covering the furrows with fine soil, wherein the sowing width of the green manure is not lower than 50cm; thirdly, in the second year, when the green manure is positioned at a squaring stage to an initial blossoming stage, selecting fine days, and spreading base fertilizer on the green manure according to the kinds and the quantity of the base fertilizer required by the flue-cured tobacco; fourthly, secondly, respectively plowing two ridges towards two sides of an original ridge body on the original ridge body, burying the green manure into soil of the ridges, and then breaking into fine soil and ridging; fifthly, finally, after the green manure is buried into the soil for 10 to 15 days, transplanting the flue-cured tobacco on the ridges. According to the planting, plowing and ridging method disclosed by the invention, sowing working procedures of the green manure are simplified, the emergence rate of the green manure can be improved, the production input is reduced, and higher yield and benefits are obtained.

The invention discloses a device and method for planting fast-growing plants and replacing chemical fertilizers with plant composts. The plant composts replace the fossil energy sources in the chemical fertilizer production process to achieve negative growth of atmospheric greenhouse gases, adjust the greenhouse effect, inhibit the formation of hazes, solve the related environmental problems, improve the soil structure and improve the soil fertility. The method comprises the following steps: (1) planting and / or cultivating fast-growing plants in the selected land area or water body area; (2) harvesting when the fast-growing plants grow to an appropriate height; (3) performing drying on the harvested fast-growing plants, and preferably performing natural drying; (4) processing the dried fast-growing plants into carbon-storage sections; (5) keeping the molded plant carbon-storage sections under sealed conditions; (6) processing the fast-growing plants and carbon-storage sections thereof into organic fertilizers, and converting nitrogen-containing gases generated during the process into nitrogen-containing fertilizers (ammonia water).

The invention relates to fertilizer, in particular to instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 100-200 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 3-10 parts of chitin, 30-50 parts of potassium carbonate, 10-30 parts of boric acid, 150-300 parts of urea, 200-400 parts of anhydrous dipotassium phosphate and 180-280 parts of ammonium polyphosphate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various macroelement nutrients for soil and crops after usage.

The present invention discloses the production process of plant type organic fertilizer for bamboo shoots. Excrement of farm animal is produced into the plant type organic fertilizer through mixing while adding crushed crop stalk, adding probiotics, adding vegetative pest repelling matter, stacking to ferment, drying and packing. The organic fertilizer produced through modern technological process with microbial technology has excellent physical property, proper nitrogen fertilizer, phosphate fertilizer and potash fertilizer proportion, high fertility and function of inhibiting underground pests. The organic fertilizer is especially suitable for bamboo shoots as well as vegetable and other crops.

The invention provides an odorless organic fertilizer and a preparation technology thereof. The odorless organic fertilizer is prepared from the following raw materials: wheat straws, corn stalks, beanstalks, oilseed rape stalks, soybean meal, cottonseed meal, distillers grains, vinegar residues, cassava residues, sugar residues, cow dung, sheep dung, horse dung, black stump chalk and powdered rock phosphate, and in parts by weight the raw materials are as follows: 20-25 parts of wheat straws, 20-25 parts of corn stalks, 15-16 parts of beanstalks, 12-14 parts of oilseed rape stalks, 3-5 parts of soybean meal, 1-2 parts of cottonseed meal, 2-4 parts of distillers grains, 1-2 parts of vinegar residues, 3-5 parts of cassava residues, 1-2 parts of sugar residues, 8-10 parts of cow dung, 8-10 parts of sheep dung, 8-10 parts of horse dung, 30-35 parts of black stump chalk and 30-35 parts of powdered rock phosphate. The odorless organic fertilizer is thoroughly decomposed without heating the roots and buds, prevents plant diseases and insect pests from occurrence, and is high in nutrient content and odorless during fertilizing.

The invention provides a tillage-free high-yield cultivation method of pinellia ternata, and belongs to the filed of the agricultural planting. The method comprises the following steps of 1, tillage-free straw mulching; 2, land preparation; 3, seed selection; 4, seed treatment; 5, planting; 6, seedling releasing; 7, field management; 8, harvesting. The tillage-free high-yield cultivation method of pinellia ternate has the advantages that after fore-rotating crop legume crop is harvested, pinellia ternate is planted in a stubble tillage-free mode, as root systems rot, a large amount of nutrient substances are provided for soil, through a tillage-free mode, a traditional tillage procedure is omitted, and the time and labor are saved; meanwhile, treated straw is utilized to cover the ground, after straw is decomposed, a large amount of organic matter is provided, the physicochemical condition of the soil is improved, nutrients are provided for growth and development of the crop, and the yield of pinellia ternate is increased by 21.4%.

The invention provides a method for preparing an ionic rare earth mine tailing in-situ remediation plant nursing system. The method utilizes agricultural waste as a biomass carrier and a Bacillus amyloliquefaciens H47 strain as a plant growth promoting inocula which is preserved in the China center for type culture collection on June 24, 2013 and has a preservation number of CCTCC NO: M2013283 to prepare the ionic rare earth mine tailing in-situ remediation plant nursing system. Through immobilization of the biomass carrier, activity of the plant growth promoting inocula can be kept for a long time and the plant growth promoting inocula can produce stable and efficient action in a complex environment. The system can improve soil fertility and prevents soil hardening and fast soil moisture evaporation. The system utilizes the agricultural waste biomass carrier and has a wide source, a low cost and simple processes. The system realizes waste utilization, can be used as bio-fertilizer, and provides various nutrients for a plant. Through the system, the restored soil is suitable for plant growth.

The invention discloses a heavy metal soil repairing material in a paddy field based on biocarbon blending fertilizer. The biocarbon blending fertilizer is prepared by mixing biocarbon with chemical fertilizer; the biocarbon blending fertilizer is applied to soil, so that the effects of restoring heavy metal soil environments and improving soil physicochemical condition can be met, the effectiveness of nutrient elements of soils also can be affected, efficiency-increasing and production-increasing effects of carbon fertilizer are improved, and meanwhile, by utilizing the biocarbon subjected tospecial processing, the specific surface area is further improved, and thus, adsorption capability of pollutants in the soils can be enhanced; and saturated organic pollutants are decomposed througha microbial agent, so that the biocarbon can keep an adsorption effect on the pollutants in the soils for a long time, and improve a comprehensive treatment effect of the soils; and compared with conventional compound fertilizer, the biocarbon blending fertilizer disclosed by the invention has the advantages that accumulation of heavy metals is controlled, the yield of paddy rice can be increased,and the biocarbon blending fertilizer has popularization and application prospects in control of ecological environment pollution in the paddy field and application reduction and efficiency improvement of chemical fertilizer.

The invention relates to fertilizer, in particular to instant microelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant microelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 450-550 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 20-40 parts of sodium bicarbonate, 20-40 parts of disodium octaborate tetrahydrate, 150-300 parts of zinc sulphate monohydrate, 100-200 parts of manganese sulfate, 5-15 parts of iron EDTA (ethylene diamine tetraacetic acid), 5-15 parts of copper EDTA and 0.5-1.5 parts of ammonium molybdate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various microelement nutrients for soil and crops after usage.

The present invention discloses the production process of biological organic fertilizer for bamboo shoots. Excrement of farm animal is produced into the biological organic fertilizer through mixing while adding crushed crop stalk, adding probiotics, adding mixture, stacking to ferment, drying and packing. The organic fertilizer produced through modern technological process with microbial technology has excellent physical property, proper nitrogen fertilizer, phosphate fertilizer and potash fertilizer proportion, high fertility and function of inhibiting underground pests. The organic fertilizer is especially suitable for bamboo shoots as well as vegetable and other crops.

The invention discloses a planting method for green tea. The planting method is characterized by comprising the following steps: (1) soil selection and cultivation medium preparation; (2) soil preparation; (3) fertilizer preparation; (4) planting; (5) irrigation and fertilization; (6) grass and insect managements; and (7) harvesting. By mixing of chicken manure with chopped crop straws with a length of 1 cm and commercial nitrogen fixation fertilizer, the planting method for the green tea improves soil physical and chemical properties, enhances soil fertility, lowers fertilizer cost and labor intensity and reduces agricultural environmental pollution. Culture solution provided by the invention is beneficial for improving the survival rate of transplanted green tea seedling and enhancing the quality and the growth rate of the green tea. The green tea obtained by using the planting method in the invention has larger yield and more effective component content; and the planting method for the green tea provided by the invention is more convenient in planting and management.

The invention relates to a special fertilizer for anoectochilus roxburghii and a preparation method of the special fertilizer. The provided special fertilizer ought to have the functions of providing nutrients, killing insects and inhibiting bacteria and be low in cost; the provided preparation method ought to be simple, easy, and high in practicability. The following technical scheme is adopted: the special fertilizer for the anoectochilus roxburghii is prepared from the following raw materials in parts by weight: 28-48 parts of saw dust, 18-30 parts of rape seed cake, 10-20 parts of crab shell powder, 10-20 parts of Huabao No.1 and 6-10 parts of honeysuckle stem and leaves. The preparation method of the special fertilize for the anoectochilus roxburghii comprises the following steps: 1) weighing the raw materials in parts by weight and stirring evenly to obtain a mixture; 2) adding the mixture to an EM activating liquid and stirring evenly, controlling the moisture content of the mixture, composting and fermenting, and controlling the temperature in the compost and the fermentation time; 3) spreading the fermented material and air-drying, adding bentonite, stirring evenly and feeding into a squeezing granulator for granulating.

The invention discloses organic agricultural special fertilizer containing plant charcoal (bamboo charcoal) and a preparation method of the organic agricultural special fertilizer. The bamboo charcoalis used for novel application and is particularly used as ordinary bamboo charcoal and activated bamboo charcoal. The invention belongs to the field of organic agricultural fertilizer and particularly relates to a bamboo charcoal and organic fertilizer compound formula and a preparation technology. The organic agricultural special fertilizer mainly contains four kinds of materials, namely the bamboo charcoal, biological organic fertilizer, a natural mineral substance and an auxiliary material, and the four substances all belong to natural substances and can be separately used for organic agricultural production. The product disclosed by the invention, which is obtained by a unique combination and the preparation method, has the advantages that heavy metals can be adsorbed so as to improvesoil; natural fertilizer can be added, so that the quality and yield effects of agricultural products can be improved; and moreover, the requirements of input products for production and use of organic agriculture and green agriculture can be met.

The invention relates to the field of soil conditioners, provides a method for producing a soil conditioner from iron ore tailings, and mainly solves the problems of single raw material and limited soil improvement effect of the soil conditioner in the prior art. The method comprises the following treatment steps: (1) treatment of the iron ore tailings: collecting the iron ore tailings, and carrying out magnetic separation to obtain valuable metal fine powder and tailing powder; (2) preparation of a porous viscous material: taking activated carbon, coal cinder and limestone as raw materials, uniformly mixing according to a weight ratio of 1:(50-80):(9-20), and adding an agricultural adhesive to obtain the porous viscous material; (3) drying treatment on the porous viscous substance: feeding the porous viscous substance obtained in the step (2) into a drying oven to be baked, controlling the temperature of the drying oven to be 80-120 DEG C, and controlling the moisture of the porous viscous substance to be 10-20%; (4) granulation: feeding the porous viscous substance into a granulator for granulation to obtain a granular porous viscous substance; and (5) feeding into a mixing treatment device for online mixing.

The invention discloses a method for controlling salt and saving water of nutritional soil for planting crops on a mudflat saline-alkali land. The method comprises the following steps of: determining a salt control target value according to a salt-tolerance threshold of planted crops; restraining salt content and making moisture by irrigating soil moisture water into the mudflat saline-alkali land; performing deep plowing and deep tillage after the soil is dry; paving crushed crop straws under the surface of the soil; seeding after leveling the land; and finally returning the crop straws intothe land for covering a sown land surface. Due to the adoption of the technical scheme, water resource is saved; and the irrigation amount can be reduced in the growth and development stages of the crops. When the soil moisture water is irrigated before sowing, because a four-electrode salt content sensor is adopted for monitoring a desalting process of the soil in real time, an irrigation salt control target and irrigation stop time are defined, and water resource loss is reduced; simultaneously, the straws are buried deeply and covered on the land surface, continuous damage caused by a capillary action is caused; an uplink surface congregation effect of the salt content in subsoil and underground water is prevented; soil salt return is inhibited effectively without irrigating for washing the salt in a dry season so that the water resource is saved; in addition, water loss is reduced because of the coverage on the surface of the land, the moisture keeping effect of the soil is improved and the irrigation amount in the growth and development stage of the crops can be reduced.

The invention discloses organic agricultural special fertilizer containing plant charcoal (charcoal) and a preparation method of the organic agricultural special fertilizer. The charcoal is used for novel application and is particularly used as ordinary charcoal and activated charcoal. The invention belongs to the field of organic agricultural fertilizer and particularly relates to a charcoal andorganic fertilizer compound formula and a preparation technology. The organic agricultural special fertilizer mainly contains four kinds of materials, namely the charcoal, biological organic fertilizer, a natural mineral substance and an auxiliary material, and the four substances all belong to natural substances and can be separately used for organic agricultural production. The product disclosedby the invention, which is obtained by a unique combination and the preparation method, has the advantages that heavy metals can be adsorbed so as to improve soil; natural fertilizer can be added, sothat the quality and yield effects of agricultural products can be improved; and besides, the requirements of input products for production and use of organic agriculture and green agriculture can bemet.

The invention provides a biochar-based passivator for acidic soil remediation and a preparation method and an application method thereof. The biochar-based passivator is prepared from the following raw materials in parts by weight: 30-40 parts of charcoal, 10-20 parts of polyacrylamide, 10-20 parts of weathered coal, 10-20 parts of quick lime, 10-20 parts of bentonite, 5-10 parts of a camellia oleifera shell-hydrothermal carbon material and 5-10 parts of a magnesium silicate-hydrothermal carbon material. The biochar-based passivator can reduce the proportion of available mercury in soil, rich surface functional groups of the biochar-based passivator can adsorb soil heavy metals, the performance is stable, and the proportion of available mercury in soil can be effectively reduced. According to the biochar-based passivator, solid wastes such as the medicine residues, the camellia oleifera shells and the weathered coal are utilized, waste resource utilization is achieved, environmental protection is achieved, the production cost is reduced, and in addition, the biochar-based passivator does not cause soil degradation and environmental pollution and is ecological, safe and environmentally friendly.

The invention discloses an acid soil conditioner prepared from iron ore tailings.The acid soil conditioner comprises, by weight, 15-70 parts of the iron ore tailings, 1-30 parts of organic fertilizer, 1-40 parts of coarse sand and 1-20 parts of building stones, wherein the organic fertilizer comprises straw and excrement, and the building stones comprise either or both of limestone and dolomite.Meanwhile, the invention discloses a preparation method of the acid soil conditioner prepared from the iron ore tailings.By means of the acid soil conditioner, the acid soil environment can be remarkably improved, nutrient substances are provided, the void ratio of soil is increased, water retention capability and nutritional ingredient conveying capability of the soil are improved, it is beneficial to absorption of crops, and the utilization rate of the fertilizer is remarkably raised.

The invention discloses a high-purity nutritious bacterial agent for repairing soil, which is composed of, by weight, 20-35 parts of humic acid, 18-26 parts of plant ash, 22-35 parts of urea, 6-11 parts of potassium nitrate, 7-13 parts of calcium superphosphate, 3-7 parts of borax, 5-12 parts of chitosan oligosaccharides, 6-15 parts of bacillus subtilis and 3-8 parts of bacillus thuringiensis. In the invention, the humic acid, plant ash and urea are employed as main raw materials, so that the high-purity nutritious bacterial agent is lower in processing cost and can effectively prevent soil caking and improve soil; the organic substances can effectively improve physical and chemical conditions and bio-characters of the soil, ages the soil and improves fertilizer retention and supplement capability and buffer capability of the soil, and creates excellent soil conditions for growth of crops. The nutritious bacterial agent can improve fertility of the soil and also can kill pests in the soil, can act deeply in the soil and has good fertility improving effect, and can be promoted and applied widely.

The invention discloses a green production and rotation technique of fresh corn and strawberries. The green production and rotation technique comprises a fresh-corn green production technology, a strawberry green production technology and crop rotation. The green production and rotation technique has the advantages that after the straw of the fresh corn is returned to a field, the soil granular structure and soil physical and chemical properties can be improved favorably, diseases and pests can be reduced, soil fertility can be improved, soil organic matter content can be increased, and soil structure and quality can be improved; the corn straw can also be used as the ensilage for cattle and sheep cultivation, cattle and sheep manure is used as the raw material of biogas, biogas residues are returned to the field, and green cyclic utilization is achieved; soil fertility is improved while environment pollution is reduced, the diseases and pests of the strawberries and the fresh corn arecontrolled through a green disease and pest control technology, pesticide use amount is reduced, and the natural enemies of the pests and the ecological environment are protected to the maximum extent.

The invention provides a composite microbial agent capable of killing overwintered stem borers of rice and a preparation method thereof. The composite agent is prepared by mixing a microbial flora promoting rot of rice straw, a microbial flora causing death of infected overwintered stem borers, and an organic filling material, wherein the microbial flora promoting rot of rice straw comprises any one or a mixture of more than one of trichoderma reesei, aspergillus niger and bacillus subtilis; the microbial flora causing death of infected overwintered stem borers comprises one or a mixture of two at an optional ratio in beauveria bassiana and green muscardine fungus; and the organic filling material comprises any one or a mixture of more than one of bran, rice bran, rice hull powder, wheat straw meal and corn stalk meal. The composite microbial agent disclosed by the invention has dual insecticidal effects of destructing overwintering occasions causing death of stem borers and destructing infection causing death of stem borers and is low in cost, simple in application and easy to popularize, so that the overwintering death rate of stem borers can be improved by 60% or higher, the soil fertility can be increased while killing overwintered stem borers, and the composite microbial agent has wide application prospects.

The invention provides a mine microbial community conditioning material as well as a preparation method and application thereof. The conditioning material is prepared by the following steps: (1) preparing tailings into a hollow structure by adopting a block making machine, and forming an opening; (2) filling industrial and agricultural wastes rich in organic matters into a middle cavity of the hollow structure obtained in the step (1); and (3) inoculating anaerobic or facultative anaerobic microorganisms with an iron / sulfur reduction function on the industrial and agricultural wastes, and then sealing by using tailings added with viscous materials. According to the conditioning material, waste tailings are used as materials, efficient remediation of mine ecology can be achieved, and the purposes of adjusting the microbial community structure of surrounding mine soil, inhibiting growth of acid-producing microorganisms and controlling acidification of the heavy metal mine soil from the source are achieved through reproduction of microorganisms inoculated in the cavity. The conditioning material is simple in preparation method, low in cost, outstanding in effect and suitable for large-area application, the utilization rate of tailing waste is increased, and a win-win mode of comprehensive utilization of tailings and ecological restoration of mines is established.

The present invention discloses the production process of plant type organic fertilizer for bamboo shoots. Excrement of farm animal is produced into the plant type organic fertilizer through mixing while adding crushed crop stalk, adding probiotics, adding vegetative pest repelling matter, stacking to ferment, drying and packing. The organic fertilizer produced through modern technological process with microbial technology has excellent physical property, proper nitrogen fertilizer, phosphate fertilizer and potash fertilizer proportion, high fertility and function of inhibiting underground pests. The organic fertilizer is especially suitable for bamboo shoots as well as vegetable and other crops.

The invention discloses an organic liquid fertilizer, and a preparation method and application thereof, and belongs to the technical field of fertilizers. The organic liquid fertilizer comprises an organic base solution and an organic active solution, and the organic base solution comprises, by weight, 13-45 parts of a phosphate fertilizer, 12-32 parts of a nitrogen fertilizer, 3-12 parts of animal remains, 4-26 parts of plant powder, 13-36 parts of biogas residues, 5-10 parts of rape seed cakes, 5-12 parts of distillers' grains and a proper amount of water; and the organic active solution isprepared from, by weight, 4-14 parts of mushroom dreg, 3-16 parts of rice bran, 1-4 parts of nitrogen-fixing bacteria, 0.4-2.4 parts of saccharomycetes, 12-36 parts of animal waste, 0.3-1.6 parts of seaweed and a proper amount of water. A large number of natural plants are used as raw materials, the pollution to soil is small, the soil can be effectively improved, the soil fertility can be effectively improved, and after the organic fertilizer enters the soil, organic matters can effectively improve the physical and chemical conditions and biological characteristics of the soil, so that the yield of crops is increased, the quality is improved, and the utilization rate of the fertilizer is high.

A method for ecologically improving tobacco-planting soil is disclosed. In October of the first year, after flue-cured tobaccos or corns are harvested, straws are chopped down and spread on furrows directly without plowing soil, straw decomposition accelerator or other microbe fertilizers are spread on the straws, and then ridge soil is dumped in furrows to cover and bury the straws. Green manure is applied in lines, common vetch green manure is applied on the soil surface burying the straws in lines with a width of 55-65cm, and the green manure is buried by ridging without plowing. In the next year, 10-15days before transplanting flue-cured tobaccos, flue-cured tobacco base fertilizer is applied on the green manure according to the line-spacing requirements of flue-cured tobaccos, soil is gathered to the green manure from two sides of the green manure to bury the green manure and ridge for planting flue-cured tobaccos. The method effectively improves soil, lowers production investment, ensures high yield, improves the physical properties of the soil, and increases organic matters and nutrients of the tobacco-planting soil. Moreover, the microbe amount and enzyme activity of the soil and the tobacco leaves quality are improved, the soil quality is retained and improved, and continuous flue-cured tobacco production and development in tobacco areas are facilitated.

The invention discloses a planting method of green tea. The planting method comprises the following steps of (1) land selection and preparation of a culture medium, (2) land preparation, (3) fertilizer preparation, (4) planting, (5) watering and fertilization, (6) grass and insect management and (7) harvesting. According to the method, by mixing chicken manure with crop straw which is cut up to be3-5 cm in length and nitrogen fixation fertilizer sold on the market, the physicochemical condition of soil is improved, the fertility of the soil is improved, the fertilization cost and labor intensity are lowered, the agricultural environment pollution is reduced, the growth demand of the green tea is satisfied, rooting growth of the green tea is facilitated, and good economic benefits are alsoachieved. A culture solution adopted in the method satisfies the nutrition demand of the green tea, also meets the requirement for mutualistic symbiosis and conveniently increases the survival rate of transplanted green tea seedlings, the quality of the green tea is improved, and the growth speed of the green tea is increased. By means of the planting method of the green tea, the yield of the obtained tea is higher, the content of effective ingredients is higher, and planting and management are more convenient.

The invention relates to the field of fertilizers, in particular to a method for preparing a nutritional organic compound fertilizer. The method comprises the following steps of: mixing 20-30 parts of pig manure (containing 50 percent of moisture), 10-15 parts of chicken manure (containing 60 percent of moisture), 10-15 parts of urea, 20-30 parts of bran, 5-8 parts of borax, 20-40 parts of fishbone dust and 15-20 parts of clay; uniformly stirring at the normal temperature; pelleting and drying; and screening through a 10-mesh screen to obtain particles. The fertilizer has the advantages of relieving soil hardening, improving the physical and chemical conditions of low-yield soil, remarkably increasing the yield of crops and enhancing land capability, along with sufficient raw material sources and convenience in preparing.

The invention discloses organic agricultural special fertilizer containing plant charcoal (turf) and a preparation method of the organic agricultural special fertilizer. The turf is used for novel application and is particularly used as ordinary turf and activated turf. The invention belongs to the field of organic agricultural fertilizer and particularly relates to a turf and organic fertilizer compound formula and a preparation technology. The organic agricultural special fertilizer mainly contains four kinds of materials, namely the turf, biological organic fertilizer, a natural mineral substance and an auxiliary material, and the four substances all belong to natural substances and can be separately used for organic agricultural production. The product disclosed by the invention, whichis obtained by a unique combination and the preparation method, has the advantages that heavy metals can be adsorbed so as to improve soil; natural fertilizer can be added, so that the quality and yield effects of agricultural products can be improved; and moreover, the requirements of input products for production and use of organic agriculture and green agriculture can be met.