92results about How to "Guaranteed stable production" patented technology

The invention belongs to the technical field of agriculture, and discloses a cultivation method for premature small watermelon. The method comprises the following steps of: (1) grafting and raising seedlings: the sowing time of stocks is the first ten days and the middle ten days of December, and scions are sowed in 7 to 12 days later than the stocks; (2) planting grafted seedlings, and performing heat insulation and temperature rise by adopting four-layer coverage of a big shed, a medium shed, a small shed, a mulching film and an electric heating wire; (3) controlling the temperature; (4) pruning with a double-vine or three-vine pruning method; (5) performing artificial pollination and leaving fruits: performing artificial pollination when the second female flower of the main vine and the first female flower of the side vine come out; and (6) harvesting. The harvesting time of the premature small watermelon cultivated by using the method is advanced to the middle ten days and the last ten days of April and advanced by 20 to 30 days compared with the conventional greenhouse cultivated watermelon, and the harvesting time is kept away from the plum rain season of the southern district, so that high yield and stable yield are ensured. Not only the market demand is met, but also the yield and the economic benefit are greatly improved.

The invention provides a plunger device for gas well online measurement and a plunger type drainage gas recovery system. The plunger device comprises an instrument working barrel assembly, a plunger central barrel, a plunger sliding sleeve and a damper assembly, the instrument working barrel assembly is positioned at the top of the plunger device, the plunger central barrel and the plunger sliding sleeve form a main body of the plunger device, the damper assembly is positioned at the bottom of the plunger device, and a measuring instrument and a communication module are arranged in the instrument working barrel assembly. When used for gas well production, the plunger device goes back and forth between a well mouth and a well bottom and uninterruptedly transmits data measured by the underground measuring instrument to the ground for analysis in a wireless data transmission manner by the aid of the communication module at the well mouth. The plunger type drainage gas recovery system comprises a blowout prevention pipe assembly and a plunger, the measuring instrument and the communication module are arranged in the plunger, and the plunger uninterruptedly transmits the data measured by the underground measuring instrument to a communication module internally arranged in the blowout prevention pipe assembly by the aid of the communication module at the well mouth. The plunger device for gas well online measurement and the plunger type drainage gas recovery system are capable of meeting online measurement requirements of natural plunger gas-lift wells.

The invention relates to an organic and inorganic compound fertilizer specially used for tea trees and a preparation method thereof. The organic and inorganic compound fertilizer is prepared from the following raw materials by weight portion: 40-70 portions of fermented organic fertilizer, 3-15 portions of carbamide, 10-30 portions of ammonium sulfate, 5-25 portions of diammonium phosphate and 5-15 portions of potassium sulphate, wherein the fermented organic fertilizer is prepared by taking 45-65 portions of furfural residues, 20-35 portions of fuming slag and 10-20 portions of weathered coal as raw materials and adding 1-2 portions of microbial fermentation agent EM compound microbial agents to be accumulated and fermented and then dried until the moisture content is 25-35 percent. The organic and inorganic compound fertilizer specially used for the tea trees has long-time fertilizer effect, thereby increasing the fertilizing times; and in addition, the organic and inorganic compound fertilizer specially used for the tea trees has reasonable nutrient proportion, thereby enhancing the tea-leaf yield.

This invention belongs to the molten slag treatment, especially relates to the blast furnace molten slag treating apparatus. The slag ditch connects with the granulating device and slag flume, the down part of the slag flume connects with the communicating pipe, the distributing trough that connects with the communicating pipe extends into the rotating drum filter, the belt device in the canister connects with the rotating belt device to form a finished articles warehouse; the down part of the rotating filter is arranged with the storage cabinet, laying-up basin, which are connected by the overflow on the pool wall, the dregs cleaning device is arranged on the storage cabinet the laying-up basin connects with the granulating device by the tube connector, valve and dregs cleaning pump. The device fault rate is low, the dregs punching out rate reaches up to more than 99úÑ, which is propitious to the operation and steady production of the blast furnace. And the dreg cleaning water and the sewage is used in closed cycle, so it can save a lot of pure water.

The invention relates to a double cropping rice nitrogen-saving high-yield production method. A double cropping rice planting region is selected; 15 to 30 days before late rice is harvested, astragalus sinicus planting is carried out; after the late rice is harvested, ditching is carried out according to an astragalus sinicus planting technology; 30 to 50kg of calcium magnesium phosphate fertilizer is applied per mu; 1 to 2kg of potassium chloride used as a base fertilizer is applied per mu; 10 to 15 days before early rice is transplanted, dry tillage and plowing pressing are carried out; land preparation is carried out according to the early rice planting requirements; azolla is bred; and after shoal water of field water, which has a height of 1.5 to 3.5cm, is kept for 8 to 10 days, the base fertilizer is applied to carry out early rice transplanting. During growth of the early rice and the late rice, duckweed utilization is naturally carried out; before the late rice is transplanted, a sustained-release nitrogen fertilizer is applied in one step as the base fertilizer; and on mid-to-late September in the next year, circulation operation of farming of planting astragalus sinicus green manure crops and the like is carried out. According to the invention, astragalus sinicus green manure is planted during the slack winter season of double cropping rice planting, the azolla is bred during growth of rice, the rice special sustained-release nitrogen fertilizer is applied to the late rice in a decreasing manner, the astragalus sinicus and the azolla are utilized to fix nitrogen and adsorb carbon, the land is maintained by the land, organic materials and an organic nitrogen source are provided for rice, nutritive substances in the double cropping rice field, which are easy to loss, are adsorbed, non-point source pollution is reduced and fertilizer supply and the fertilizer requirement of rice are coordinated and consistent.

A method for removing sulfate radical from injected water in oil field for anti-scaling is applied in anti-scaling of oil fields and oil-water wells. The method is characterized by firstly pumping injected water into a coarse filtration system by a high-pressure pump for carrying out the coarse filtration treatment and then into a fine filtration system for treatment; and further pumping the injected water after the two-stage filtration by the coarse filtration system and the fine filtration system into a nanofiltration system for treatment. The injected water after the treatment is divided into clear water and condensed water. The clear water is directly re-injected to the underground target layer position. A ternary complex scale cleaning agent is added before the injected water enters the fine filtration system. The method has the effects that a nanofiltration film is adopted to remove sulfate ions in the injected water, thereby solving barium and strontium scales generated by incompatibility of the injected water and formation water, and the anti-scaling rate can be more than 80 percent; the ternary complex scale cleaning agent is added in the injected water before the injected water enters the fine filtration system, thereby leading the clear water after the treatment to be capable of reducing the formation scales and further reducing the scales of the nanofiltration film of the nanofiltration system.

The invention relates to a carbon dioxide acidification blocking remover and a process of not reversely discharging raffinate after acidification. The blocking remover comprises a reagent A which is prepared by directly mixing hydrochloric acid, hydrofluoric acid, glacial acetic acid, polyoxyethylene alkyl phenol ether, citric acid, a corrosion inhibitor, a mutual solvent and a clay stabilizer to form a homogeneous solution and a reagent B prepared by mutually mixing carbonate, a surfactant, an iron ion complexing agent, a demulsifier and clean water which are stirred for 1 hour at normal temperature. The process of not reversely discharging raffinate after acidification comprises the following steps: when an oil well is deblocked, first, injecting a medicament A into an oil layer; then, isolating the clean water by layers; then, injecting a medicament B into the oil layer; and finally, injecting clean water to extrude a mixture in a shaft to the stratum, then, injecting an acidizer into a loop space to a perforated interval, closing the well for 4-6 hours, opening the well, observing the pH value (control range from 6-7), periodically injecting the acidizer till raffinate is fully discharged out of the stratum, and finally, injecting clean water to extrude the mixture in the shaft into a dryline.

The invention relates to a special organic-inorganic compound fertilizer for Chinese chives and a preparation method thereof. The special organic-inorganic compound fertilizer is prepared by proportioning an inorganic fertilizer and a nitrification inhibitor according to the nutrient demands of the Chinese chives after fermenting and decomposing flue slag with a disinsection function and then granulating according to a conventional method so as to prepare a granular fertilizer. The special organic-inorganic compound fertilizer for the Chinese chives has biological insect prevention effect, is safe to farm products, has reasonable nutrient proportion, provides whole nutrition to the Chinese chives and improves the appearance and the quality of the Chinese chives.

The invention discloses a detoxification and cell pan rapid propagation method for purple sweet potatoes and belongs to the technical field of crop variety breeding. The method comprises the following steps: disinfecting stem tips of the purple sweet potatoes; peeling and inoculating meristems of the stem tips of the purple sweet potatoes; culturing the meristems of the stem tips of the purple sweet potatoes; selecting the cell pan and a substrate; transplanting and rapidly propagating a virus-free tube seedling of the purple sweet potatoes and the like. According to the method disclosed by the invention, the formula of a detoxification and regeneration culture medium of purple sweet potatoes is improved, and the method is convenient to operate and great in inoculum size. By using the cell pan, the rapid propagation speed of a virus-free seedling is greatly accelerated. Furthermore, the method is high in propagation coefficient and is not limited by seasons.

The present invention relates to an organic fertilizer and its production method. Said fertilizer is the product by making the mixture of turf, excrements of farm animal, soybean cake powder, rick husk, corn flour, bone powder, blood powder, ground phosphate rock and potash feldspar through the process of fermentation, in whith the turf and farm animal excrements are undergone the processes of baking and sterilizing treatment and other components are undergone the processes of water boiling and sterilizing treatent, and the above-mentioned dried materials and wet materials are mixed and fermented so as to obtain the invented product.

The invention discloses an ecological rice-planting frog-breeding method through combination of planting and breeding. The method comprises the following steps: (1) management at a stage of a rice seedling bed; (2) management at a stage of a field; and (3) stocking management of tiger frogs in the rice field. According to the ecological rice-planting frog-breeding method through combination of planting and breeding, no chemical fertilizer and chemical pesticide are applied in the whole process. Adopted fertilizer in the rice field is mainly rapeseed cakes and other organic fertilizer, Astragalus sinicus which is planted in a previous crop is adopted as green manure, and control of pests, diseases and weeds in the rice field is mainly achieved through agricultural control, biological control and physical control, such as frog breeding in the rice field, Trichogramma introducing in the field and insecticidal lamp placing in the field; matrine, azadirachtin and other bio-pesticide are applied to field blocks with serious pests, field weeds are controlled through artificial weeding assisted by nitrogen-fixing cyanobacteria which is bred in the field, and weeds at ridges are controlledthrough film mulching at the ridges. Through the ecological rice-planting frog-breeding method through combination of planting and breeding, environmental protection and field fertilization are achieved, and the produced rice has abundant nutrients and good quality.

The invention discloses a pea planting method. The method comprises the following steps of 1, seed selection and preprocessing; 2, seed sprouting; 3, land selection and preparation; 4, seed sowing, wherein seeds obtained after sprouting in the step 2 and nodule bacteria are mixed evenly planting pits are dug in rectangular pieces of land, and 3-5 seeds are sown in each planting pit; 5, field management; 6, harvesting, wherein after the seeds are ripened, timely harvesting is performed, and ventilation and low-temperature storage are performed. The pea planting method is scientific and reasonable, the pea disease resistance is enhanced, growth is promoted, the pea yield and quality are improved, the cultivated peas have abundant nutrients, and are tender and delicious in taste, and the farmers' income is increased.

The invention relates to a nutrient solution used for preventing frost damages, and especially relates to an organic vegetable nutrient solution used for preventing frost damages. The organic vegetable nutrient solution is prepared by mixing a ground organic fertilizer and a foliar spraying material. The ground organic fertilizer comprises, by mass, 3 to 8% of cow dung and 1 to 3% of chicken manure. The foliar spraying material comprises, by mass, 1 to 3% of potassium dihydrogen phosphate with a concentration of 0.2 to 0.4%, 1 to 3% of a nutrient and 1 to 3% of higher fatty acid membrane emulsion. The nutrient solution used for preventing frost damages contains no biosynthesized materials or chemically synthesized materials; is simple and convenient for operation; is suitable to be used for various kinds of farmland soil such as soil of open field and greenhouses; is capable of ensuring stable and high yield of organic vegetable even in seasons with a relatively low temperature; possesses no toxicity; and is an excellent green technology for organic agriculture. Efficient is high, and no pollution is caused.

A kind of fertilization method of red grape grape provided by the present invention can effectively guarantee the high yield and stable yield of red grape grape, comprising the following steps of base fertilizer and topdressing (in three times, that is, the first topdressing is carried out when the buds start to swell in early spring, and the second The first topdressing is carried out at the early stage of young fruit expansion after flowering, and the third topdressing is carried out at the early stage of fruit coloring.), foliar fertilizer. It can effectively guarantee the high and stable yield of red grape grapes.

The invention discloses a density-increasing nitrogen-reducing efficient planting method for spring corn mixed cropping leguminous green manure, and belongs to the field of crop planting. According to the method, corn and leguminous green manure are mixed for cropping, so that the planting density is moderately improved, the input of a nitrogen fertilizer and a pesticide is reduced, the purpose of high yield and high efficiency of the corn is achieved, and powerful technical support can be provided for efficient production and green production of the corn.

The invention discloses an integrated planting and fertilizing machine for peanut planting, which comprises a frame, a gearbox, and a driving motor. A bracket is fixed on the top of the bracket, and a seed storage box is welded on the top of the bracket. An opening and closing plate is arranged in the seed storage box, and a vibrating grating plate is arranged on one side of the opening and closing plate, and vibration motors are installed at both ends of the vibrating grating plate. One side of the frame is provided with an intelligent motor controller; one side of the intelligent motor controller is provided with a fertilizer box; There are several connecting rods, one side of the connecting rod is equipped with an infrared sensor, and the bottom of the connecting rod is fixed with a ditching device and a soil covering board. Through the set vibrating grate and through holes, the peanut grains can be evenly spaced and the sowing amount is accurate. , consistent sowing depth, saving seeds, ensuring stable and high yield of peanuts.

The invention relates to a special organic-inorganic compound fertilizer for preventing and controlling diseases of gingers and a preparation method thereof. The special organic-inorganic compound fertilizer is prepared from fermented and rotten organics, inorganic fertilizers and pesticides, wherein the fermented and rotten organics are prepared from 50-60 parts by weight of furfural residues, 18-25 parts by weight of cake meals and 20-25 parts by weight of turf by the steps of adding 1-2 parts by weight of microbial fermentation bactericides for piling fermentation and drying till the content of water is 30-50 percent by weight. The special organic-inorganic compound fertilizer for the gingers has nutrient content fitting the nutrient demand of the gingers and a disease prevention function, is subjected to field tests and has good effect.

The invention relates to a vertical roll grinder and a vertical roll grinder grinding disc material layer stabilizing device. The vertical roll grinder comprises a grinding disc, a middle shell, grinder rolls and a central feeding articulated chute, and a grinding disc liner plate is installed on the grinding disc; the vertical roll grinder grinding disc material layer stabilizing device comprises supporting plates welded to the middle shell, connecting profile steel with long holes is welded to the supporting plates, material laying frames are installed on the connecting profile steel, the front ends of the material laying frames are provided with arc-shaped material laying plates, and the bottom faces of the arc-shaped material laying plates are perpendicular to the axis of the vertical roll grinder. The vertical roll grinder grinding disc material layer stabilizing device and the vertical roll grinder have the advantages that the thickness of the material layer can be effectively controlled, and the exhausting and pre-bulking effects can be achieved on materials between two main rolls.

The invention discloses a method for planting rice through waterlogged direct seeding, and belongs to the field of rice planting. The method comprises the steps of land preparation before seeding, seed selection, prevention and control of weeds, calculation of the seeding amount, germination accelerating, seeding, water management, fertilizer management and prevention and control of diseases and insect pests. The method mainly comprises the following steps that treatment before seeding comprises field surface finishing and ditching for compartment finishing; a rice material with a germinationrate of 80% or above is selected, and germination is accelerated until rice husks are broken and radical buds are grown for standby application; after seeding, the compartment surface is kept waterlogged, wherein the waterlogging depth is 3-5 centimeters; after a three-leaf one-core stage, a water layer of the compartment surface is drained, and it is maintained that water exists in a ditch; in atillering stage, an earing stage and a grain-filling stage, shallow-water irrigation is maintained on the compartment surface. The method can effectively increase the emergence rate and planting percent of directly seeded rice, provides a guarantee for 'one-seeding whole-seedling' of the directly seeded rice, is beneficial to the high and stable yield of the directly seeded rice, can solve the problems such as seedling burnt caused by bird damage, rat damage, crop smothering and local high-temperature waterlogging, and provides a theoretical basis and technical reference for the large-scale popularization and application of the directly seeded rice.

The invention relates to a drought-resisting and water-saving winter wheat spring irrigation and fertilization method. The drought-resisting and water-saving winter wheat spring irrigation and fertilization method is implemented in winter wheat regeneration and jointing stages. The method comprises the following steps of (1) applying nitrogenous fertilizer and potash fertilizer in wheat fields; (2) performing water irrigation through a simple micro-spraying device; (3) starting irrigation from the far end of the wheat fields, after water sprayed by micro-spraying hoses rests on the field surface for 3-5 minutes, removing a section of the micro-spraying hoses to irrigate other areas in sequence until reaching the other end of the fields, and ensuring the irrigation amount to be 35-40 m3 per mu (=0.0667 hectares). The drought-resisting and water-saving winter wheat spring irrigation and fertilization method achieves water irrigation through the simple micro-spraying device, and accordingly is low in cost, simple in installation and field operation, assures years of service, avoids risks of ageing and loss and facilitates water amount control and observation; meanwhile, the drought-resisting and water-saving winter wheat spring irrigation and fertilization method is easy to accept by farmers during production, and by matching fertilization with water irrigation, saves water consumption as well as input of nutrient of nitrogen, phosphorus and potassium, ensures the yield of wheat and improves the utilization rate of nitrogenous fertilizer.

The invention provides an air-ground cooperative pesticide application method and system. The method comprises the steps that: target information of a to-be-operated orchard is obtained, wherein the target information includes geographic feature information and fruit tree feature information; according to the target information, a collaborative operation path of a plant protection unmanned aerial vehicle and a ground pesticide application unmanned vehicle is determined; and the plant protection unmanned aerial vehicle and the ground pesticide application unmanned vehicle are controlled to operate according to the collaborative operation path. According to the air-ground cooperative pesticide application method and system of the invention, the collaborative operation path is planned according to the feature information of orchards and fruit trees; on this basis, the plant protection unmanned aerial vehicle and the ground pesticide application unmanned vehicle are controlled to operate according to the planned collaborative operation path; the ground pesticide application unmanned vehicle is utilized to perform supplementary operation on an operation blind area of the plant protection unmanned aerial vehicle in an air-ground collaborative pesticide spraying mode, and therefore, pesticide liquid can fully cover the fruit trees, the pesticide utilization rate is improved to the maximum extent, negative effects caused by unreasonable pesticide spraying are reduced, environmental pollution is reduced, the pesticide spraying control mode and effect are optimized, fruit tree diseases and insect pests are effectively prevented and treated, and stable yield and yield increase of fruits can be effectively guaranteed.

The invention belongs to the technical field of agriculture and discloses an early-maturing cultivation method for small cucumbers. It includes the following steps: (1) Grafting and growing seedlings: the rootstock sowing period is early and mid-December, and the scion is sown 7 to 12 days later than the rootstock; (3) Control temperature; (4) Pruning: use double or three pruning methods; (5) Artificial pollination and fruit retention: the second female flower of the main vine and the first female flower of the side vine are artificially opened. Pollination; (6) harvesting. The harvest period of the early-maturing small cucumbers cultivated by the method of the invention is advanced to the middle and late April, which is 20 to 30 days earlier than the current greenhouse cultivation, and the harvest period avoids the rainy season in southern regions, thereby ensuring high and stable yields. It not only meets the market demand, but also greatly improves the output and economic benefits.

The invention provides a method for reducing vegetable field nutrient emission and improving vegetable commodity characters, and belongs to the technical field of agricultural area source pollution control and vegetable production. Specifically, the wheat straw charcoal technology with reduced fertilizer application and moderate organic fertilizer application is adopted to achieve the effects of reducing the emission of nitrogen and phosphorus nutrients in vegetable field soil runoff, stabilizing the yield of vegetables and improving the commodity characters of vegetables. By adopting the technology, the nitrogen concentration and phosphorus concentration of vegetable field runoff water can be significantly reduced by 13.95%-23.68% and 34.81%-52.44% respectively, and the nitrogen loss by runoff and phosphorus loss by runoff in the vegetable growth period can be significantly reduced by 13.95%-23.68% and 34.81%-52.44% respectively; meanwhile, the risk of vegetable field nitrogen and phosphorus loss by runoff can be significantly lowered. Furthermore, by adopting the technology, the yield of vegetables can be maintained stable, the cabbage nitrogen partial productivity is significantly improved by 24.39%-28.98%, the sphericity index of cabbage heads is significantly increased by 6.17%-7.41%, and the commodity characters of vegetables are significantly improved.

The invention belongs to the technical field of agriculture, and discloses a small wax gourd early-maturing cultivation method. The method comprises the steps of (1) grafting and seedling growing: seeding stocks at early of middle of December, and seeding scions 7-12 days later than the stocks; (2) grafted seedling field planting by using electric heating wires, and a big shed, a middle shed, a small shed and a mulching film to cover the field for thermal insulation and warming; (3) temperature control; (4) pruning by using a dual-vine or tri-vine pruning method; (5) artificial pollination and fruit retention: performing artificial pollination when second pistillate flowers of the main vine and first pistillate flowers of the lateral vine bloom; and (6) harvesting. Compared with greenhouse cultivation in the prior art, the harvest time of early-maturing small wax gourds cultivated by the method is advanced by 20-30 days to mid-to-late April, the plum rain season of the South China is avoided, and high yield and stable yield are ensured. The market demand is satisfied, and the yield and economic benefit are also largely improved.

The invention discloses a drought-resistant anti-waterlogging gastrodia elata cultivation method. The cultivation method includes the following steps that holes are five to sixteen centimeters deep; fungi are placed in parallel along the holes, twigs are placed between the fungi, fungus sticks are covered with fine soil, the fungi sticks are thoroughly watered with bottom water, gastrodia elata armillaria strains and gastrodia elata seeds are evenly placed at the two ends and in the middle of the fungi, the gastrodia elata seeds are covered with a layer of woven bags when being covered with fine soil, and then the woven bags are covered with a layer of soil with the thickness of five to eight centimeters; when the gastrodia elata is excavated and harvested the next year, the soil layer is pushed aside, the woven bags and the soil layer attached to the gastrodia elata are gently lifted and moved, and then the gastrodia elata can be harvested gently. Stable yield of the gastrodia elata can be guaranteed with the method, damaged gastrodia elata can be greatly reduced, the cultivation method is easy to operate, and time and labor are saved.

The invention relates to a special organic-inorganic compound fertilizer for root-promoting type jujube trees, which is prepared by compounding mature organic matters, humic acid and potassium dihydrogen phosphate with an inorganic fertilizer, zinc sulfate and borax. The mature organic matters are prepared by carrying out composting fermentation on 75-85 parts of residues of edible fungi, 15-20 parts of meals and 1-2 parts of microbial fermentation agent, and drying till the water content is 30-35% by weight. The special organic-inorganic compound fertilizer for the jujube trees combines rootpromotion with nutrition regulation, the mix proportion of ingredients is reasonable, and the organic-inorganic combination can improve the fertility of soil and promote the high-quality and the high-production of the jujube trees.

The invention relates to an organic-inorganic composite nutrient solution formula for tomato substrate cultivation and an application method of the organic-inorganic composite nutrient solution formula. The nutrient solution disclosed by the invention is prepared by the following method: 1), preparing an organic mother solution; 2), preparing inorganic mother liquor; and 3), mixing the organic mother solution and the inorganic mother liquor according to different mixing proportions in different growth periods to obtain the organic-inorganic composite nutrient solution for tomato substrate cultivation. The nutrient solution is comprehensive in nutrition, capable of greatly improving the taste, sugar degree and quality of fruits, low in cost, simple and convenient in preparation method and capable of effectively improving the growth speed and fertilizer utilization efficiency of tomatoes cultivated in a substrate.

The invention provides a soil phosphorus activator, and belongs to the technical field of biological fertilizers. The soil phosphorus activator comprises, by mass, 0.01-0.1 part of group B metal oxide, 25-60 parts of aspergilli, 30-50 parts of Arbuscular mycorrhizal fungi, 8-12 parts of humic acid and 10-20 parts of bean crop straws; and the effective number of viable bacteria of the aspergilli inthe soil phosphorus activator is equal to or more than 1 * 10<8> CFU / g, and the effective number of spores of Arbuscular mycorrhizal fungi is equal to or more than 15 / g. The soil phosphorus activatorprovided by the invention can activate the phosphorus in wheat field soil, reduce the solidification of phosphorus to unavailable phosphorus, stimulate the absorption of the surrounding phosphorus bywheat roots, increase the utilization rate of a phosphorus fertilizer, reduce the application of the phosphate fertilizer and ensure the stable yield and the yield increase of wheat.

The invention relates to an organic and inorganic compound fertilizer specially used for tea trees and a preparation method thereof. The organic and inorganic compound fertilizer is prepared from thefollowing raw materials by weight portion: 40-70 portions of fermented organic fertilizer, 3-15 portions of carbamide, 10-30 portions of ammonium sulfate, 5-25 portions of diammonium phosphate and 5-15 portions of potassium sulphate, wherein the fermented organic fertilizer is prepared by taking 45-65 portions of furfural residues, 20-35 portions of fuming slag and 10-20 portions of weathered coalas raw materials and adding 1-2 portions of microbial fermentation agent EM compound microbial agents to be accumulated and fermented and then dried until the moisture content is 25-35 percent. The organic and inorganic compound fertilizer specially used for the tea trees has long-time fertilizer effect, thereby increasing the fertilizing times; and in addition, the organic and inorganic compoundfertilizer specially used for the tea trees has reasonable nutrient proportion, thereby enhancing the tea-leaf yield.