833results about How to "Increase chlorophyll content" patented technology

The invention discloses a compound microorganism liquid bacterial fertilizer for preventing plant diseases and insect pests and a preparation method of the compound microorganism liquid bacterial fertilizer and belongs to the technical field of microorganisms. The bacterial fertilizer comprises raw materials of, by weight, 10-20 parts of paprika powders, 10-20 parts of chilli powders, 5-15 parts of ginkgo leaf powders, 5-15 parts of chinaberry powders, 5-15 parts of lightyellow sophora root powders, 20-40 parts of mashed garlic, 40-80 parts of molasses, 4-8 parts of soybean meal, 5-15 parts of calcium sulfate, 5-15 parts of magnesium chloride, 5-10 parts of salt, 5-15 parts of photosynthetic bacterium strains, 5-15 parts of saccharomycete strains, 5-15 parts of lactic acid bacterium strains, 5-15 parts of streptomyces jingyangensis strains, 5-15 parts of bacillus subtilis strains and 800 parts of water. According to the compound microorganism liquid bacterial fertilizer, probiotic floras which are screened and are capable of coexisting are used for fermenting plant leaching agents of pepper, chilli, ginkgo leaves, chinaberry, lightyellow sophora roots and garlic, the plant leaching agents are capable of expelling and killing the insect pests and harmful bacteria, the compound microorganism liquid bacterial fertilizer has the advantages of being high in content of live bacteria of probiotics, high in activities, high in stability, small in using amount of plant materials, fast in acting effects, non-toxic and environment-friendly, and has wide application prospects in agricultural planting.

The invention has supplied biological leaf fertilizer, whose characteristics is that it includes chemical agent, biological organic matter, chelating agent, penetrant and microbe fermentation liquor and the solid raw material and mess ratio are: urea50-55%, potassium dihydrogenphosphate20-25%, potassium chloride 7-8%, boric acid0.3-0.5%, boric acid0.2-0.4%, copper sulfate0.1-0.2%, calcium nitrate0.5-1.5%, magnesium sulfate0.2-0.4%, zinc sulfate0.2-0.4%, manganese sulphate0.2-0.3%, ammonium molybdate0.05-0.1%, fulvic acid14-15%, EDTA chelating agent1-2%, AEO-20 penetrant 0.05-0.1%, mix the raw material of the above mix water 160~70deg.C in the ratio of 2:3, after 24 hours, add microbe fermentation liquor into the liquid filtered by 0.5~1mL / kg, then adjust the PH value to 5.0~6.0, finally, obtain the invention. The leaf fertilizer contains lots of macroelements and all kinds of secondary and microelements, and also contains metabolic product of microbe fermentation, beneficial microbe flora,chelating agent, penetrant and growth regulating agent, without poison, smell and side effect, it is safe and reliable, can increase the quantity and quality of agricultural products.

The invention relates to a seedling growing method of apocarya and belongs to the technical field of fruit trees and forest cultivation. The method includes the steps of sprouting breeding, grafting and post-grafting management. By means of the method, a large amount of scions are obtained each year and are grafted on the stock and the seedling with strong affinity in due time, so that stock grafting survival rate of the apocarya is improved. Grafted seedling preserving rate after large-amount grafting is over 90%. Further, the method achieves tree body stuntedness, shortens the juvenile phase and enables tree bodies to fruit earlier in the fourth year after grafting. The fruiting time is 6-8 years earlier than before. Simultaneously, the method provides a growing method for apocarya stock grafting seedlings and with strong operability for batch and variety seedling growing of the apocarya and greatly increases economical value of the apocarya.

The invention relates to a microbial foliage fertilizer, and a preparation method and application thereof. Every liter of microbial foliage fertilizer is prepared by mixing the following raw materials: 0.3-0.5L of microbial zymogen liquid, 0.2-0.3L of trace element solution, 0.05-0.15kg of K2SO4, 0.05-0.15kg of NH3H2PO4, 0.1-0.25kg of urea, 0.05-0.15kg of yeast fermentation powder slag, 3-4g of diethylaminoethanol hexanoate and the balance of water. Multiple microbes with the functions of nitrogen fixation, phosphorus decomposition, potassium decomposition and disinsection are added into the foliage fertilizer, thereby being beneficial to enhancing the crop yield, quality and disease / insect resistance.

The invention discloses a preparation method of an algae fertilizer. The preparation method comprises the following steps: 1) removing impurities and exotic matters in algae; 2) completely soaking with ethanol for 24 hours; 3) concentrating lixivium at reduced pressure until extract is obtained; 4) carrying out freeze drying on residue; 5) evenly mixing the extract with the residue; and 6) carrying out spray drying, and carrying out dry granulation so as to obtain the algae fertilizer. The algae fertilizer prepared by using the method has specific advantages in the aspects of improving self-metabolism of a plant, adapting to external environment and providing nutrient substances, and is a natural green fertilizer which is simple in process and suitable for planting organic vegetables.

The invention provides a composite amino acid ecological nutritious agent, which comprises sea weed fermentation liquor, fermentation liquor of animal leftover bits and pieces, trace elements, and biological bacterium. The functions of the agent include stimulating growth, suppressing pathogenic agent and reinforcing immunization.

The invention discloses an antitranspirant foliar fertilizer and a preparation method thereof. The antitranspirant foliar fertilizer comprises the raw materials of copper sulfate, ethylene diamine tetraacetic acid, monopotassium phosphate, zinc sulfate, ferrous sulphate, manganese sulphate, ammonium molybdate, composite rare earth, boric acid, sodium dodecyl sulphonate, urea, fulvic acid, hexanoic acid 2-(diethylamino) ethyl ester, compound amino acid, magnesium sulfate, calcium nitrate, ethylene diamine tetraacetic acid, microbial agent, azone and ammonia water. The antitranspirant foliar fertilizer provides nutrient elements and microbial agents which are required by the growth of plants, the rare earth and amino acid and other beneficial elements, can promote the growth of the plants, improve the yield, the quality, the stress resistance of the plants and the absorbing and operating capabilities on trace elements, simultaneously can effectively reduce the transpiration of the plants and is applied to afforesting in arid regions.

The invention relates to a planting method of selenium-rich passiflora edulis. The variety of the planted passiflora edulis is Tainung No1. The planting method comprises steps as follows: land selection, land preparation, field planting, shelving, training and pruning, fertilizer and water management, field management and pest control. According to the planting method of the selenium-rich passiflora edulis, a selenium-rich fertilizer fermentation broth obtained through fermentation of inorganic selenium fertilizer is sprayed to leaf surfaces and fruits of the passiflora edulis, the average single fruit weight of the produced passiflora edulis is 63 g, the maximum single fruit weight is 125 g, the fruit juice is reddish yellow and has strong fragrance, the acidity is 2.14%, the highest selenium content can reach 12 mu g / kg, the sweetness reaches 23% Brix, the fruit juice rate is up to 34%, the color and luster are bright, the yield is high, pollution is prevented, and five crops are harvested every year.

The invention provides an amino acid foliar fertilizer, comprising the following materials in percentage by mass: 30 to 50 percent of plant amino acid, 1 to 5 percent of compound sodium nitrophenolate, 15 to 25 percent of urea, 5 to 10 percent of ferrous sulphate, 5 to 10 percent of borax, 3 to 5 percent of cupric sulfate, 0.1 to 1 percent of ammonium molybdate, 1 to 2 percent of manganese sulfate, 4 to 8 percent of zinc sulfate, 10 to 20 percent of organic silicon, and the balance water. The amino acid foliar fertilizer has obvious effects of exciting activity of enzyme in crops, improving the photosynthetic efficiency of the crops, accelerating nutrition absorption and operation inside the crops, increasing the content of chlorophyll, improving stem substance accumulation and sugar content, improving crop quality, and enhancing crop drought resistance, disease resistance and immunity and the like, can be absorbed by leaves, stems and roots of various commercial crops, such as Chinese cabbages and other vegetables, so as to lead the crops to be higher, and has remarkable effect in enhancing the performances of root growth, sprouting, seedling strengthening, flower promoting, fruit swelling, fruit protecting and other aspects for the crops.

The invention discloses dihydroporphin (III) chelates having plant growth regulating activity and use thereof as plant growth regulators. The respective structures of the chelates are shown below. In the structures, R may be H, Na, K, CH3 or C2H5, and X may be Cl, OCOCH3 or OH. The dihydroporphin (III) chelates are formed by chelating pyropheophorbide, purpurin and dihydroporphin serving as main ligands and different acid radicals and hydroxy radicals as axial ligands (X) with trivalent ions of iron serving as a transitional metal. The dihydroporphin (III) chelates serving as plant growth regulators are safe, nontoxic and insusceptible to accumulation of residue; the activity of the dihydroporphin (III) chelates are high and the effect of the dihydroporphin (III) chelates are remarkable; and the dihydroporphin (III) chelates can improve the chlorophyll content in plants, promote rooting, and increase germination rate, resistance and yield.

The invention relates to a control agent and an anti-adversity agent of plant growth, which adopts southernwood, a Chinese traditional medicine, namely Artemisia annua L, as raw material, or adopts the secondary substances (also containing small amount of the artemisinin which is not completely extracted) which are abundant in the large amount of residues and concentrated mother solution after artemisinin is extracted by organic solvent. On the one hand, the invention does not influence the extraction of the artemisinin used for pharmaceuticals, on the other hand, the invention enhances the added value of the products of the southernwood, turns wastes into benefits and is good for environment protection and green production. The product of the invention is characterized by wide physiological effect, being safe and innoxious, being no pollution, being environment-friendly, easy obtaining of raw materials and low cost.

The invention belongs to the technical field of agricultural fertilizers, in particular to liquid bacterial manure produced by biogas slurry and a method thereof. The weight proportion of raw materials of the liquid bacterial manure is as follows: the ratio of biogas slurry to dry hyacinth powder to molasses fermentation wastewater to EM fungi is equal to 60-65 to 20-23 to 14.5-16 to 0.5-1.0. The EM fungi is adopted as a fermentation agent, so the liquid bacterial manure has a plurality of efficacies and characteristics: the liquid bacterial manure can be taken as a water flush fertilizer to spray roots of crops, can provide multiple kinds of nutrition and trace elements for the crops to promote the growing development of the crops, can be taken as a foliage fertilizer to improve the content of chlorophyll, strengthen the photosynthesis, improve the yield, can be taken as a nuisanceless cultivation nutrient fluid to realize the complete nuisanceless cultivation, and reutilize resources of the biogas slurry, hyacinths in rivers and domestic waste and is environment-friendly.

The invention discloses a flue-cured tobacco cultivation method fitting in with the light environment of the Yunnan tobacco-growing area and belongs to the technical field of tobacco plant cultivation. The flue-cured tobacco cultivation method comprises the following steps of float breeding, soil preparation and ridging, transplanting under film, management in film covering period and field management. The seeding time is from mid December to mid February, the float disc floating seedling method is adopted, and seeding hardening lasts for 8-14 days before transplanting; ridging is conducted after the soil is pulverized and moisture is stored, and inorganic fertilizer and cake fertilizer which is thoroughly decomposed are mixed to be applied to the field; the transplanting period is from mid March to mid April, the density of tobacco plants is 1000-12000 plant / mu, each tobacco plant is irrigated with 1.5-2.5kg root water after transplanting, and colored mulching film is covered; top dressing is conducted twice after transplanting, and seeding leading is conducted 15-25 days after the top of each tobacco seeding ejects the film; the mulching film is removed when the tobacco plants enter the mid of the vigorous growth period, earthing up, weeding and watering are conducted in time, and topping, leaf reserving and bifurcation removing are conducted. The flue-cured tobacco cultivation method can fitting in with the light environment of the Yunnan tobacco-growing area, the local light source can be utilized fully and reasonably, the quality of tobacco leaves can be improved, and the aroma style of the fen-flavor tobacco leaves is enhanced.

The invention discloses a selenium-rich nutrient solution for a pear. The nutrient solution comprises, by weight, 20 to 30 parts of magnesium sulfate, 5 to 15 parts of zinc sulfate, 10 to 15 parts of copper sulfate, 10 to 25 parts of iron sulfate, 10 to 25 parts of urea, 8 to 15 parts of potassium sulfate, 10 to 15 parts of potassium dihydrogen phosphate and 25 to 40 parts of sodium selenite. Through application of the nutrient solution provided by the invention, selenium content of the pear can be substantially increased, production of the pear is promoted, net weight of fruit is increased, resistance of the pear to insect attack is enhanced, and attack by diseases and insect pests is reduced.

The sprayed fertilizer as one kind of biochemical fertilizer contains nitrogen fertilizer, phosphate fertilizer and potash fertilizer in 50-60 wt% as well as humic acid, trace elements, common elements, amino acids, biological bacterial preparation and foliage expanding agent in certain proportion. The sprayed fertilizer has the functions of activating enzyme, promoting leaf growth, raise chlorophyll, strengthening photosynthesis, promoting metabolish of carbohydrate, improving soil, raising crop's resistance, etc.

The invention relates to the technical field of agriculture, and provides an orchard grass intercropping method. The method comprises the following steps: zones are divided, wherein grass is planted between orchard lines, and straws are laid within a range of 0.5m from tree trunks; plowing is carried out, wherein an EM inoculant is spread to grass planting zone soil, and plowing is carried out after 20-30 days; seed soaking is carried out, wherein grass seeds are soaked with the EM inoculant for 4-12h, and are air-dried at a shaded and ventilated place; sowing is carried out, wherein a sprinkler irrigation treatment is carried out with a diluted composite bacterial fertilizer, and uniform sowing is carried out with a sowing amount of 12-15kg / Mu when the soil is moist; management is carried out, wherein watering is carried out after sowing, and sprinkler irrigation is carried out with a diluted EM inoculant when seedlings uniformly shoot; and maintenance is carried out, wherein a grass height is maintained at 10-20cm, and a mixture of trimmed-off grass and straws is laid within a range of a tree base. The method has water-retaining, fertilizer-retaining and drought-resisting functions. With the method, farm chemical is not applied, and the effect of green manure is good. Chemical fertilizer is saved, and disease degree can be reduced from the source. Soil salinization can be effectively ameliorated, and fruits can be green and organic.

Disclosed is the production method of Mocha tea and special equipment, wherein the method comprises choosing leaves, removing moisture, water-removing, cooling down, de-watering, airing, drying, removing stems, sterilizing, and disintegrating. The dedicated device comprises double speed cylinder type water removing machine, an airing groove, and a boiling type drying machine.

The present invention relates to one kind of sunlight film for covering green house as modern gardening facility and its making process, and belongs to the field of agricultural technology. Low density polyethylene, ethylene-acetic acid copolymer, dripping agent, light stabilizer, composite antioxidant, diluent, light converting agent are mixed to produce concentrated mother material; mother material in 10-15 wt% and base material low density polyethylene or ethylene-acetic acid copolymer in 85-90 wt% are mixed homogeneously; and the mixture is extruded, blown into film and cooled to settle and processed through further steps to produce the sunlight film product. The sunlight film is used to penetrate sunlight, maintain temperature and convert ultraviolet ray into blue and red light essential for plant to perform photosynthesis and is superior to available plastic film for green house in light transparence.

The invention discloses a straw organic fertilizer and a preparation method thereof. The preparation method is to use a microbial inoculum used for degrading straw to ferment straw so as to obtain thefertilizer; the active ingredients of the microbial inoculum for degrading straw comprise Trichoderma viride, Trichoderma aureoviride and forage Paenibacillus pabuli. The colony formation unit ratioof Trichoderma viride to Trichoderma aureoviride and forage Paenibacillus pabuli in the microbial inoculum is (0.8-1.2):(0.8-1.2):(0.8-1.2). The fertilizer used for degrading straw can be used as a base fertilizer and can obviously improve the quality of vegetables.

The invention provides an amino acid-containing water soluble fertilizer added with sugar alcohol and a preparation method thereof. The amino acid-containing water-soluble fertilizer added with sugar alcohol is prepared from the following raw materials: amino acid, calcium salt and water as well as 5-10wt% of sugar alcohol. The amino acid-containing water-soluble fertilizer is of a calcium element type, the sugar alcohol is added to be used as a chelating agent of the calcium element; by virtue of reasonable ratio of sugar alcohol to amino acid to calcium salt, the sugar alcohol and the calcium element are chelated to form a stable micromolecule chelate; since sugar alcohol has permeation and wetting properties, absorption and transportation efficiency of the chelated calcium element is improved; meanwhile, amino acid can promote calcium absorption and also can promote photosynthesis, so that chlorophyll content is increased. Therefore, under the combined action of sugar alcohol and amino acid, the amino acid-containing water-soluble fertilizer added with sugar alcohol has high utilization rate, can improve the conveying speed of plant nutrients, can enhance calcium absorption of plants and can increase sugar content of the plants.

The invention relates to a method for improving the drought resistance of drought substrate tall fescue by adopting urban household fine garbage compost, which comprises the following steps of: respectively scattering fine garbage compost of which the particle diameter is respectively 1200nm, 600nm and 300nm uniformly on the surface of soil, wherein the ratio of the particle diameter to parts by weight of the soil is 1:60-80, the temperature is controlled at 20-26 DEG C, the relative humidity is controlled at 40-60%, and natural light permeating a room is used for illuminating; fully watering at the initial stage of seeding; weighing and watering every one or two days according to 55-65% of field moisture capacity after two weeks to maintain the field moisture capacity in the stress range; and measuring each index from the 44th day. The result shows that under the drought stress, the fine compost increases the biomass of the tall fescue to a certain extent, and the research result of growth of root systems of lawn plants can be basically met by matching the compost with the substrate for cultivating turf.

The invention belongs to a method for producing plant fertilizers, more particularly to a method for producing a solid-state Ca / Mg / Ti / Fe / S / N / Si compound fertilizer from water-quenched blast furnace slag. The invention is characterized in that: the raw materials include titanium oxide-containing water-quenched blast furnace slag, ammonium sulfate, ammonium hydrogen sulfate, ammonium pyrosulfate and ammonium persulfate; the method comprises the following steps: ball-milling Ti-containing water-quenched blast furnace slag to obtain powder of particle size of 60-160 micrometers, mixing the furnace slag powder with 3-20 times of one substance selected from ammonium sulfate, ammonium hydrogen sulfate, ammonium pyrosulfate, ammonium persulfate, or a mixture thereof, heating the resulting mixture up to 200-500 DEG C and maintaining the temperature for 10-65 min, and crushing clinkers to small pieces of 4-12 mm diameter. The invention utilizes Ti-containing water-quenched blast furnace slag and other raw materials to produce plant fertilizers, and thereby realizes environmental protection, Ti resource utilization and nutrient supplementation to plants.

The invention discloses foliar fertilizer. The foliar fertilizer comprises boric acid, potassium nitrate, epsilon-polylysine, polyacrylamide, ammonium molybdate, butanedioic acid, trace elements, sodium nitrophenolate, water and chelating agent. The foliar fertilizer contains multiple trace elements such as zinc, boron, copper, iron, manganese and molybdenum which are necessary for crops. By adopting the foliar fertilizer, the application amount of pesticides can be reduced, the cost is reduced, the development of the crops is promoted, and the utilization rate of photosynthesis is increased. Experiments prove that the foliar fertilizer is capable of promoting the adsorption of carbon, hydrogen and oxygen and preventing and treating diseases and insect pests.

The invention discloses a method for extracting sodium copper chlorophyll from silkworm excrement. Specifically, the method includes enzymolysis of silkworm excrement by enzyme, wherein the enzyme is one or more of scellulase, hemicellulase, pectinase, triacylglycerol acylhydrolase and protease. The method provided by the invention can effectively degrade cellulose, hemicellulose, pectin, protein and fat components in the silkworm excrement raw material. Also, the method has the advantages of small enzyme dosage, simple treatment process, easy operation, short time, high chlorophyll extraction rate, high purity sodium copper chlorophyll finished product, and no environmental pollution, improves the yield of sodium copper chlorophyllin, shortens the extraction time of chlorophyll to a large extent, reduces the dosage of the solvent, reduces difficulties during subsequent preparation of sodium copper chlorophyll, and saves the production cost.

The invention discloses a tree nutrient solution, which comprises the following ingredients in percentage by weight: 20-25% of glucose, 10-15% of chitosan, 0.1-1% of cytokinin, 0.1-1% of polyamine, 0.01-0.1% of potassium hydroxide, 0.01-0.1% of ferric citrate, 0.01-0.1% of zinc sulfate, 0.01-0.15% of copper sulfate, 0.01-0.2% of ammonium molybdate, 0.03-0.1% of boric acid, 0.01-0.1% of cobalt chloride, 0.05-0.2% of vitamin C and the balance of water. The nutrient solution provided by the invention does not contain any harmful substance, and can not pollute the environment or cause damage to the human body after application; the preparation cost is low, the action time is long, and the nutrient solution can be widely used.

The invention provides a microbial film coating agent for preparation of microbial fertilizers. The microbial film coating agent contains biochemical humic acid or biochemical humate, agricultural composite amino acid powder, a biological growth promoter, a microbial agent, an anti-hardening agent, stone flour, a trace element salt and a dye special for fertilizers, wherein the mass ratio of the biochemical humic acid or biochemical humate, the agricultural composite amino acid powder, the biological growth promoter, the microbial agent, the anti-hardening agent, the stone flour, the trace element salt and the dye special for fertilizers is 2-5:15-25:1-3:1-2:8-20:45-60:10-25:0.5-1.5. The invention also provides a microbial compound fertilizer composition containing the microbial film coating agent. The microbial compound fertilizer composition is used for increasing vegetable yield, shortening the recovery period, reducing the disease rate, and / or improving soil fertility.

The invention discloses a moso bamboo cavity liquid fertilizer production-increasing agent which is prepared by dissolving the fertilizers of elements such as N, P, K, Zn, B and Mo and phytohormone, mixing, filtering and the like, wherein N, P and K in the fertilizer are calculated as the forms of N, P2O5 and K2O and the percentages thereof are separately 10-15%, 5-10% and 3-7%, the percentages of Zn, B and Mo are separately 0.1-0.5%, 0.1-0.5% and 0.01-0.05%, and the percentage of phytohormone is 0.01-0.1%. phytohormone is gibberellin or one or more of cytokinins. By using the production-increasing agent of the invention, the activities of various enzymes in the moso bamboo can be effectively improved, the chlorophyll content can be increased, the photosynthetic rate can be increased and the growth of rhizome-root and the differentiation of bamboo bud can be promoted, thus the yield of bamboo and the property of bamboo wood and the stress resistance of bamboo forest can be increased; and the quantity of the fertilizer is small, the fertilizer effect and yield-increasing effect are good, soil can not be destroyed by applying the fertilizer, the operation is simple, and the fertilizer is economic and practical.

The invention relates to a plant growth regulation composition containing plant activator protein. The composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from the plant activator protein; the active ingredient B is selected from any one of compounds as follows: benzyl aminopurine, brassinolide, indoleacetic acid, harpin protein and gibberellic acid. The composition is mainly used for increasing the plant chlorophyll content, keeping plants green, preventing plant senescence, promoting root development and effective absorption of crops on fertilizers, assisting in good growth of weak parts of the crops, enhancing the absorption of the plants on water and the fertilizers and regulating the balance of the water in the plants so as to improve the drought resistance and the cold resistance of the plants.

A fertilizer special for roses comprises a base fertilizer and a foliar fertilizer. The base fertilizer comprises, by mass parts, 45-60 parts of nitrogen-phosphorus-potassium mixed fertilizer, 3-10 parts of medium elements, 0.5-5 parts of microelements, 0.1-0.4 part of compound inhibitor, 0.01-0.05 part of rare earth elements, 120-150 parts of organic fertilizer and 50-60 parts of zeolite powder. The ratio of the available nitrogen content, the available phosphorus content and the available potassium content of the nitrogen-phosphorus-potassium mixed fertilizer is (1.5-2):(2.5-3):(1-1.5); the foliar fertilizer comprises, by mass parts, 10-15 parts of ammonium dihydrogen phosphate, 5-10 parts of potassium sulfate, 2.5-4.0 parts of borax, 1-1.6 parts of magnesium sulfate, 2.0-3.2 parts of ferrous sulfate, 1.2-1.8 parts of zinc sulfate, 0.5-0.8 part of sodium selenite, 0.5-0.8 part of sodium molybdate, 45-60 parts of amino acid, 1.8-3.0 parts of Chinese herbal medicine extracting liquid, 0.5-1.0 part of glycerinum, 0.1-0.5 part of growth regulator, 0.01-0.03 part of surfactant, 0.01-0.03 part of potassium permanganate and 0.01-0.03 part of aspirin. The fertilizer special for the roses can meet nitrogen, phosphorus and potassium requirements of the roses, have good slow release characteristics and prolong flowering time of the roses.

The invention belongs to the field of crop fertilizers, and specifically relates to a special liquid medicine fertilizer for increasing production, killing pests and reducing residues of rice and a preparation method thereof. The medicine fertilizer comprises the following raw materials: microbial flora, humic acid, a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer, borax, an insecticide, a water soluble separant, a plant growth regulator, water and the like. The liquid medicine fertilizer directly sprayed to the leaf surfaces of cotton plants is uniform in distribution of nutrient substances, high in utilization ratio, easy to be absorbed by the leaf surfaces of the plants and simple and feasible to prepare and apply, and can further degrade pesticide residues and truly prevent and treat plant diseases and insect pests, thereby increasing the output of rice.