148results about How to "Increase the content of trace elements" patented technology

The invention belongs to a water-soluble fertilizer in the field of agriculture production, in particular relating to an amino acid complexing various nutrient elements water-soluble fertilizer and a preparation method thereof. The water-soluble fertilizer is prepared by compexing the following raw materials in parts by weight: 48-52 parts of composite amino acid solution, 4-24 parts of macroelement compound, 4-25 parts of medium element compound, 14-34 parts of microelement compound, 2.9 parts of beneficial element compound, 2 parts of rare earth compound (rare earth nitrate with more than or equal to 38% of rare earth) and 4.1-6.2 parts of auxiliary, wherein the composite amino acid solution is a solution containing more than or equal to 26% of free amino acid and more than or equal to 12% nitrogen as well as water. The preparation method comprises seven steps and can be used for further improving the absorption utilization of a plant; and the prepared fertilizer has the advantages of full nutrition and high efficiency.

The present invention relates to a tissue culture production technology and a cultivation method of dendrobium nobile, which include the following steps: inserting seeds of dendrobium nobile into a culture medium of N6 + NAA 0.3mg / L + potato juice 20%(V / V) + agar-agar 5g / L to perform cultivation, at 22-25 DEG C, for 10-12 hours of average diurnal light, under 1800-2500lx intensity of illumination, for 15-30 days; transplanting the cultivated seeds to a culture medium of N6 + BA 0.2mg / L + potato juice 20%(V / V) + agar-agar 5g / L to perform cultivation for 25 days; transplanting the cultivated seeds to a culture medium of N6 + NAA 0.2mg / L + banana juice 10%(V / V) + potato juice 20%(V / V) + agar-agar 6g / L for two months to form big seedlings; planting the big seedlings in wood chips which mixed blue stones and decomposed organic fertilizers for hardening-seedling, which begins in every March for one year, and spraying water in time; and transplanting the hardened seedlings to open ground or greenhouse to perform cultivation with a transplanting medium of shale + moss and to fasten the seedlings by cable fasteners, under appropriate humiture and light irradiation, managing with GAP qualitative specification.

The invention relates to a method for producing multi-micro health triticale malt powder. The method comprises the following steps: immersing plump triticale in sodium selenite solution with concentration of 50 to 300ppm for 5 to 6 hours at the temperature ranging from 15 to 30 degrees, filtering and collecting the sodium selenite solution for further use, immersing the plump triticale in mixed aqueous solution of chromium chloride with concentration of 100 to 600ppm and zinc sulfate with concentration of 100 to 1000ppm for 6 to 7 hours, filtering and collecting the mixed aqueous solution of chromium chloride and zinc sulfate for further use, placing the triticale that has been immersed on a sifting bed for germination, water-bathing malts in distilled water with temperature ranging from 30 to 70 degrees for 3 to 5 hours in order to remove inorganic salts when the malts grow to 1.5 to 3cm, dripping the malts, and air-drying the malts at room temperatures for 24 hours, drying, grinding and packing the malts at the temperature ranging from 30 to 70 degrees, and obtaining the finished edible triticale malt powder enriched with various trace elements such as selenium, chromium and zinc. The triticale malt powder is enriched with the trace elements of selenium, chromium and zinc that are necessary to human bodies, and can be used as food additives and medical nutrients.

The invention relates to high-efficiency microbial organic fertilizer prepared from methane slag. The high-efficiency microbial organic fertilizer mainly comprises methane slag, plant growth regulator, microbial functional bacteria, binder and disintegrating agent which are used as active ingredients. The high-efficiency microbial organic fertilizer comprises the following components in percentage by weight: 30.0 to 85.0 percent of methane slag, 0.001 to 3.0 percent of plant growth regulator, 0.1 to 1.0 percent of microbial functional bacteria, 0.5 to 1.0 percent of binder and 3.0 to 10.0 percent of disintegrating agent and the balance of other aids and fillers which are allowable and acceptable in chemical fertilizer and pesticide. The high-efficiency microbial organic fertilizer is abundant in organic matters, amino acid, nitrogen, phosphorus, potassium, trace elements and the proper plant growth regulator, and can obviously improve fertilizer efficiency of the methane slag, reduce the using amount of the methane slag, regulate growth of potatoes, obviously increase the yield of the potatoes and improve the quality of the potatoes. The high-efficiency microbial organic fertilizer is mainly applied to planting of the potatoes, Chinese medicinal materials and vegetables.

The invention relates to a coprinus comatus cultivation base which is prepared from the following component raw materials: by weight, 60-70 parts of cottonseed shell, 8-10 parts of wheat straw, 10-25 parts of bean cake, 4-5 parts of purple potato powder, 1-2 parts of gypsum, 10-15 parts of modified plant ash, 8-10 parts of zeolite powder, 8-10 parts of ginseng leaf powder, 8-10 parts of Chinese wolfberry powder and 8-10 parts of red jujube powder, and in every cubic meter of the cultivation base, 200-500 g of the nutritional soil is added. Coprinus comatus cultivated by using the cultivation base has the characteristics of high contents of minerals, trace elements, vitamin B, vitamin C and amino acids, can reduce heavy metal pollution, has the effects of nourishing face and replenishing blood by long term consumption, and is quick in growth speed, high in yield and low in raw material cost.

The invention provides biological potassium fertilizer produced by using low taste rock containing potassium and a production method for the fertilizer. The biological potassium fertilizer is prepared through the following steps of solid state fermentation treatment of the low taste rock containing potassium, processing waste of agricultural byproducts, water, earthworm and complex bacteria, biotransformation under the effect of the earthworm and housefly larvae as well as the bioleaching. On the basis of the two-step transformation method (the solid state fermentation and the bioleaching) for producing biological potassium fertilizer, the biotransformation step is added in the invention. After the solid state fermentation, biology with biotransformation function is inoculated. The conversion of the potassium in the low taste rock containing potassium is improved; therefore, the rock powder containing the potassium and agriculture waste are turned into good organic fertilizer through a plurality of transmission ways. The contents of other trace elements in the potassium fertilizer are increased. Therefore, the invention has a good market promotion prospect with an economical and practical advantage and good fertility of the potassium fertilizer.

Belonging to the field of agricultural culture, the invention discloses a health care sand for egg-laying breeding pigeons. The health care sand contains the following raw materials by weight part: 25 of stone seed or coarse sand, 30 of shell powder, 8 of fly ash, 8 of calcium hydrogen phosphate, 5 of salt, 4 of charcoal, 5 of a core material, 4 of scourge-clearing toxin-vanquishing powder, 2 of iron oxide red powder, 2 of gypsum powder, 3 of yeast powder, 2 of sugar, 0.5 of Dan duoduo, and 0.5 of super fiber peptide or egg flourishing. The health care sand provided by the invention is in favor of reducing cost, improving the performance and utility of health care sand, and increasing the comprehensive benefit of meat pigeon culture.

The invention discloses a method for changing a desert into a fertile land and a planting method of paddy rice in the desert, belonging to the technical field of desert prevention and agriculture. The method for changing the desert into the fertile land comprises the following steps of: spreading a seepage-proof layer at the depth of 25-80 cm below sand; sequentially spreading soil and base fertilizers on the sand; arranging a dike edge higher than the base fertilizers on the seepage-proof layer; forming a water storage sand land through the seepage-proof layer and the dike edge; storing water in the water storage sand land; and planting the paddy rice into the water storage sand land. The invention can change the desert into the fertile land capable of being used for planting crops, i.e. the paddy rice, barley, wheat, rapes, and the like, can not only prevent and control the sand, but also enlarge the planting area of crops.

The invention discloses a germination accelerating method of chilli seeds, which is characterized by comprising following steps: (1) pre-treatment of the chilli seeds; (2) preparation of a soaking agent; (3) primary seed soaking; (4) secondary seed soaking; and (5) seeding of the germinated seeds. In the invention, the chilli seeds are firstly pre-treated for breaking the dormant state of the seeds, which is beneficial to semina differentiation, and then are subjected to the primary seed soaking step so that the germination period of the chilli seeds can be advanced by 1-2 days, and finally are subjected to the secondary seed soaking step in a special-made soaking solution, thereby increasing germination rate of the seeds and reducing plant diseases and insect pests, and finally are germinated in a substrate, so that a high survival rate of transplanting in the later period is ensured. By means of the method, the chilli seeds are increased in germination rate by 7-9% and achieve germination seedling rate of not less than 95%. The planted chilli has a deep green color, is high in contents of micro elements and is good in mouthfeel.

The invention relates to a sugarcane seedling culture method. The method comprises the steps of preparing sugarcane seedling culture matrix, laying the sugarcane seedling culture matrix, sowing seeds, and moving a sowing frame to a greenhouse provided with a sunshade net and peripherally covered with thin film to perform seedling management. According to the method, the matrix is rich in nutrition, the seedling culture operation is simple, the seedling culture cost is low, and the method can be popularized and used on a large scale. According to the sugarcane seedling culture method, the average germination rate of seeds reaches 98.4%, the average survival rate of temporary planting reaches 99.0%, and obtained sugarcane seedlings are robust and excellent.

The invention discloses a water dispenser capable of mineralizing with medical stones, verdelites and muyu stones. The water dispenser mainly adopts the structure that a magnetization pipe, an activated carbon layer and a mineralization layer are arranged in a mineralization barrel from the top down; one end of the magnetization pipe is open, and the other end is connected with a water outlet pipe; and the mineralization layer is constituted by mixture of medical stones, verdelites and muyu stones, and the weight of each of the medical stones, verdelites and muyu stones is 10% to 50% of the total weight of the mineralization layer. According to the water dispenser, tap water is purified, mineralized, carbonized and magnetized, and residual chlorine, suspended matters, particles, microbe and pathogen in the water are removed, so that a water purification effect that the water can be drunk directly can be achieved; and the mineralized water is artificial mineral water which has a higher and more complete content of mineral, is purer and has a health care function.

The invention provides a jujube juice cake. The jujube juice cake is characterized in that: red jujubes, medlar, flour, eggs, sugar and water are taken as raw materials; the jujube juice cake is prepared by adding a certain amount of baking soda into the raw materials and processing the mixture according to a certain proportion; and the jujube juice cake is prepared from 15 to 25 weight percent of red jujube, 5 to 10 weight percent of medlar, 10 to 40 weight percent of flour, 10 to 20 weight percent of egg, 2 to 6 weight percent of sugar, 0.1 to 1 weight percent of baking soda and the balance of water by the following specific steps of: adding proper amounts of jujube powder, medlar powder, egg and sugar into the formula of the cake, and performing kneading, expansion, paste mixing, die-filling and baking processes. The jujube juice cake is a purely natural environmentally-friendly food, substantially does not contain toxins, and has the advantages of good taste, rich nutrient components, high amino acid content, high trace element content, particularly high iron content and high zinc content, simple preparation process and low cost.

An industrial culture technique for Huancao dendrobium is disclosed. Its embryo inducing process, the culture medium for making seedling strong and rooting and the culture medium for differentiating and reproducing protocorm are switabl for culturing other varieties of dendrobium. Its advantages are short period, high yield, and high contents of saccharide and trace elements in dendribium.

The process of producing high efficiency nutritious matrix with water cabbage includes the steps of adding microbial strains and chemical decaying agent to water cabbage as the main material, high temperature aerobic composting, and mixing the compost with coconut bran and amendment to obtain the high efficiency nutritious matrix. The high efficiency nutritious matrix has moderate pH value, rich and comprehensive nutrients, high amino acid and trace element content, high water retaining property, high ventilating property and high remoistening property.

The invention relates to a ganoderma lucidum antler culture medium utilizing domestic garbage and a method for cultivating the ganoderma lucidum antler. The culture medium is prepared from the following ingredients in parts by weight: 50 to 60 parts of domestic garbage powder, 50 to 70 parts of wood chips, corn cores and / or cotton seed hulls, 15 to 20 parts of wheat bran, 2 to 3 parts of saccharose, 0.2 to 0.4 part of urea, 2 to 4 parts of gypsum and 2 to 3 parts of lime. The useless domestic garbage is applied to the field of medicinal fungus production, meanwhile, the substitute material cultivation mode of the ganoderma lucidum antler being the highest-grade lucid ganoderma is realized, and the industrial cultivation of the ganoderma lucidum antler is favorably realized. The domestic garbage is used in the ganoderma lucidum antler production; the problems of environment pollution and the like due to improper disposal modes and low utilization rate of the traditional domestic garbage treatment are solved; the extremely high practical value is realized.

The invention relates to an embryonated egg drinking. embryonated eggs serve as raw material eggs and rice vinegar, water, xylitol, malic acid, sodium carboxymethyl cellulose and soluble soybean polysaccharide are added to the raw material eggs to be mixed to form the embryonated egg drinking. The embryonated egg drinking comprises the components, by weight, 70-100 parts of the embryonated eggs, 20-40 parts of the rice vinegar, 900 parts of the water, 70-120 parts of the xylitol, 2-5 parts of the malic acid, 2-5 parts of the sodium carboxymethyl cellulose and 1-3 parts of the soluble soybean polysaccharide. The embryonated egg drinking can serve as a daily driving, has good healthcare functions and is sour, sweet, fresh and smooth, the protein content of the embryonated egg drinking is larger than 1.0 (g / 100mL) and the quality guarantee period of the expiration date is twelve months.

The invention relates to a lyophyllum fumosurn culture medium using fermented bran and a method for cultivating lyophyllum fumosurn. According to the technical scheme, the lyophyllum fumosurn culture medium is composed of, by weight, 45-55 parts of fermented bran, 20-30 parts of straw and / or corn stalk, 10-15 parts of corncob, 10-15 parts of wheat bran, 1-5 parts of turfy soil, 1-2 parts of gypsum powder and 1-2 parts of quick lime. Compared with an existing application production formula, the cost of raw materials can be lowered by about 45%-60%, the hypha growth rate and the biomass are normal, economic benefits are quite obvious, and large-scale popularization can be realized. By means of the lyophyllum fumosurn culture medium using the fermented bran and the method for cultivating lyophyllum fumosurn, the pollution to the environment by the fermented bran can be eliminated, waste can be recycled, and the advantages of being comprehensive in nutrient, free of pollution, low in cost, easy to operate and short in generation period are achieved. Meanwhile, integrated development of the lyophyllum fumosurn wild domestication technology is promoted.

The invention discloses a microelement culture solution and a method for increasing microelements of pea sprouts with the same. The microelement culture solution is a solution containing one or more of 0.3-0.6 mg / L of zinc sulfate, 300-500 mg / L of organic selenium and 200-400 mg / L of germanium dioxide. The method for increasing the microelements of the pea sprouts comprises steps as follows: firstly, pea seeds are soaked in the microelement culture solution and then cultured, and the microelement culture solution is sprayed once every 12-24 h during culture. Compared with the prior art, the microelement culture solution and the method have the advantages as follows: the microelements of the cultured pea sprouts are high in enrichment degree, the microelement culture solution can also promote growth of the pea sprouts, production is not limited by seasons, the production cycle is short, the cost is low, the benefit is high, and the pea sprouts are natural and pollution-free.

The invention belongs to the field of flower culture medium, and provides butterfly orchid culture medium and a preparation method thereof aiming at the defects that the traditional edible fungus chaff waste is in idle pollution, and the existing butterfly orchid culture medium cannot meet the required nutrient of growth of the butterfly orchid. The culture medium is prepared from the following raw materials in parts by weight: 35-50 parts of fungus chaff, 35-50 parts of water plants or moss, 10-20 parts of fallen leaves, 0.8-1.2 parts of superphosphate and 0.12-0.18 part of HM complex microbial inoculants in mixing and fermenting manners. The preparation method comprises the following steps: mixing the processed edible fungus chaff, water plants or moss, fallen leaves and HM complex microbial inoculants at the ratio, and then stacking into a material pile to ferment; drying to prepare the special culture medium for the butterfly orchid. The method is good in applicability and simple in process, resource waste of the edible fungus chaff is reduced, the culture medium has good drainage permeability, and can ensure the nutritional requirements of the butterfly orchid free of an extra fertilizer, growth can be promoted, and the quality is improved.

The invention discloses a traditional Chinese medicine formulation for promoting growth and development of chicken, increasing laying rate and improving chicken meat quality and flavor. The traditional Chinese medicine formulation is characterized by comprising the following traditional Chinese medicine components in parts by weight: 1000-1500 parts of pine needle meal, 150-200 parts of hawthorns, 150-180 parts of dangshen, 150-180 parts of tangerine peel, 140-170 parts of rhizoma atractylodis, 140-180 parts of radix astragali, 120-140 parts of radix rehmanniae, 150-200 parts of fennel, 140-160 parts of angelica sinensis and 60-120 parts of alga. The whole formulation can be used without incompatibility; when the traditional Chinese medicine formulation is used for feeding broilers or layers, the appetite is improved, the nutrition is supplemented, the growth of chicken can be promoted, and the price of feed is increased; after the traditional Chinese medicine formulation is used, the meat quality and the flavor are improved; the traditional Chinese medicine formulation has the effects of preventing and curing diseases and improving the crop rate and the laying rate; furthermore, the traditional Chinese medicine formulation is free from residue and drug resistance, and does not contain carcinogenic, teratogenetic and mutagenic components; the problem of the balance between food additives and natural nutritional ingredients can be effectively solved, so that the traditional Chinese medicine formulation has wide application prospect and practical value.

The invention discloses a Dendrobium officinale liquid fertilizer and a manufacturing method thereof. The raw material is prepared by merging a peanut press pulp brown sugar fermentation liquid and a pine leaf extracting solution in a weight ratio of 100:(2-5). The peanut press pulp in the liquid fertilizer has higher contents of nitrogen, phosphorus, potassium and minor elements. The pine leaf extracting solution contains disease-resistant insect-resistant substances. Thus, the liquid fertilizer is a high-efficiency organic fertilizer, and also a high-quality stress-tolerant fertilizer capable of enhancing quality of Dendrobium officinale.

A Chinese medicine in the form of capsules for nourishing Yin and kidney, and improving immunity and sexual function is prepared from 8 Chinese-medicinal materials including cinammon bark, ginseng, wolfberry fruit, yam etc through washing, baking, sterilizing pulverizing, proportionally mixing and loading in capsules.

The present invention discloses a fig cultivation method. The method comprises the following steps: (1) carrying out rooting agent treatment, (2) cutting, (3) fertilizing, (4) watering; and (5) transplanting. According to the method, during the cuttage of a young fig for breeding, immersion by a naphthylacetic acid solution facilitates the improvement of the rooting rate of the cuttage green branch of the fig and the high-grade seedling rate; addition of sulphur power enables the pH value of the soil for cultivating the fig to be stabilized within a pH value range suitable for the fig for a long time. The method is simple and feasible, and the planting cost is lowered. The added organic matters are understory wastes which are low in cost and can be sustainably utilized. According to the fig cultivation method, both the mineral nutrition and the content of microelements in the soil are increased to a great extent.

The invention discloses a preparation method of black garlic, mulberry and purple sweet potato composite fruit vinegar. The preparation method comprises the following steps: preparing enzymolysis purple sweet potato juice, enzymolysis mulberry juice, enzymolysis black garlic juice, puerarin juice and sugarcane juice, and then mixing the juice according to the mass ratio of 5:4:1:1:1 or 5:3:2:1:1 or 5:2:3:1:1 to obtain a mixed solution; adjusting the sugar degree to be 16 to 18 percent; performing alcohol fermentation and acetic fermentation; centrifugally collecting suparnate, and removing visible solid matters and impurities; ultra-filtering out macromolecular proteins, pigments, pectin, plant fibers, germs, yeast and other impurity components; performing canning and sterilization. The preparation method is simple; the composite fruit vinegar is enriched with various beneficial components; the content of trace elements in the black garlic is higher, and the mulberries and the sweet purple potatoes also have the effects of promoting the immunologic mechanism, resisting fatigue and aging and the like, so that if people eat the composite fruit vinegar provided by the invention, the body can be benefited; furthermore, the fruit vinegar has an outstanding effect of preventing alcoholism.

The invention discloses special fertilizer for rice. The special fertilizer for the rice comprises urea, monoammonium phosphate, potassium chloride, compound sodium nitrophenolate, fermented animal manure, turf, silicon fertilizer, zinc fertilizer, attapulgite and decomposed stone powder according to a mass ratio of 250:150:80:0.12:250:120:5:10:100:35. The fertilizer provided by the invention increases content of protein, amino acids, vitamins and medium trace elements such as zinc, calcium and iron, and integrates organic fertilizer and inorganic fertilizer together. By adding trace elements of the silicon fertilizer and zinc fertilizer, the fertilizer is comprehensive in nutrients, reasonable in proportions, and mutually assistant in slow-fast action; and fertilizer efficiency is stable and long. Compared with conventional fertilizer, the fertilizer provided by the invention can increase the yield of the rice by over 8%.

The invention discloses a bioorganic fertilizer containing magnesium process desulphurization slag, and a preparation method thereof. The bioorganic fertilizer containing magnesium process desulphurization slag adopts animal manure, germ bran and rice bran as an organic matter source with stable quality; the magnesium process desulphurization slag can regulate the pH value of soil, improve the carbon storage capacity and the middle and trace element content of the soil, improve the granule structure of the soil and increase the output and the quality of crops; charcoal has good hydroscopicity, also has a part of functional hydrophobic groups, and can prevent hardening while adsorbing free water in the desulphurization slag; bentonite has great hydroscopicity, can adsorb the free water in the desulphurization slag, and modifies the desulphurization slag through ion displacement; humic acid can chelate metal ions in the soil and fertilizers, and facilitates transmission of nutrients to crops; and the bioorganic fertilizer also has the advantages of good ion exchange and buffer property, improvement of the structure of the soil, specific ratio of the raw materials, environmental protection, and improvement of the quality of the soil.

The invention discloses fen-flavor liquor as well as a preparation method and device thereof and belongs to the technical field of liquor. The fen-flavor liquor comprises raw materials in parts by weight as follows: 40-50 parts of rice, 3-8 parts of sorghum, 3-8 parts of glutinous rice, 3-8 parts of maize, 3-8 parts of millet, 3-8 parts of sago, 3-8 parts of oat, 3-8 parts of chickpeas, 3-8 parts of lotus seeds, 3-8 parts of lily bulbs, 3-8 parts of buckwheat, 180-320 parts of mountain spring water and 0.2-1 part of distiller's yeast. The invention further discloses the preparation method and device of the fen-flavor liquor. The fen-flavor liquor is prepared from 11 kinds of grain as basic raw materials, is fully transparent, milk white, soft and fragrant, has effects of cooling and moisturizing the throat, clearing the lung, realizing sweet aftertaste for a long time and the like and cannot cause headaches if a person drinks too much of the liquor; besides, the preparation method and device are simple, have the broad market prospect and are suitable for large-scale production.

The invention provides a duck fattening feed and a preparation method thereof, aiming at the condition that current cherry valley ducks are relatively low in fat deposition generally after being fed by a feed. The duck fattening feed comprises the following raw materials in parts by weight: 40-60 parts of corns, 10-30 parts of wheat, 3-8 parts of bean meal, 2-6 parts of cottonseed meal, 2-6 parts of flour, 0-6 parts of wheat bran, 2-5 parts of corn gluten meal, 3-6 parts of rapeseed meal, 0-6 parts of corn distillers grains, 2-5 parts of lard oil, 0.2-0.6 part of lysine hydrochloride, 0.05-0.2 part of methionine, 0.05-0.2 part of threonine, 0.2-0.4 part of table salt, 0.1-0.3 part of various vitamins, 0.6-1.5 parts of rock flour, 0.6-1.2 part of calcium hydrophosphate, 0.1-0.3 part of sodium bicarbonate and 0.2-0.5 part of a premix. The duck fattening feed is high in energy level, high in content of starch and high in content of saturated fatty acid, and is capable of remarkably improving the carcass fat deposition effect of the cherry valley ducks, greatly reducing the production cost of roast ducks, and improving the production performance of the cherry valley ducks.

The invention provides a lemon pulp juice and a manufacture method thereof, which relates to the formulation of a health food and manufacture method thereof and is characterized in that the lemon pulp juice is processed and prepared by using lemon, apple, grape, carrot, hawthorn, Chinese goosebeery, dragon fruit, sugar and water as raw materials and adding a certain amount of sodium benzoate (or sorbic acid) and citric acid according to a certain proportioning ratio. The manufacture method is as follows: each component is prepared through material selection, weighting, washing, leaching, mother solution prefiltration, fine filtering, accessory adding, heating concentration, fine filtering, bottling and sterilizing. The lemon pulp juice and manufacture method thereof in the invention has the beneficial effects as follows: the lemon pulp juice is purely natural greed food, belongs to a basically non-toxic substance, and has good taste, rich nutrient contents and high contents of amino acids and trace elements; the lemon pulp juice not only has unique faint scent of fruits but also has pleasant natural color.

The invention relates to a method for preparing a chelated Fe-Zn-B fertilizer. The sum content of Fe, Zn and B in the chelated Fe-Zn-B fertilizer is greater than or equal to 100 g / L. The method has the advantages that the chelated Fe-Zn-B fertilizer is a high-concentration microelement chelated fertilizer, is a new-generation high-concentration nutrient, is added with a surfactant, can easily penetrate through leaf tissues to enter the inside of the leaf surface, and carries nutrient to be transported at the phloem part, so that absorption and utilization by crops can be effectively improved. The microelement content is high, formation of insoluble matters is prevented, the antagonistic action is reduced, the utilization rate is improved, and the cost is relatively low.