34 results about "Humic acid" patented technology

The invention relates to a method for producing an amino acid tobacco-specific foliar fertilizer by using abandoned fur. The method comprises the following steps of: degreasing, drying and crushing various abandoned animal hair in slaughterhouses, hair in barber shops and various abandoned animal leather which are used as main raw materials; carrying out microbial fermentation, mainly Freund crack mould or other keratin decomposing bacteria fermentation; then decomposing and filtering to prepare a crude amino acid solution; and chelating the following components in parts by weight: 30-50 parts of crude amino acid solution, 15-18 parts of potassium sulfate, 15-25 parts of ammonium sulfate, 15-18 parts of potassium dihydrogen phosphate, 3-6 parts of humic acid potassium, 1.3-2 parts of trace elements, 0.3-0.5 part of surfactant, 0.5-1 part of chelating agent and 0.15-0.2 part of plant growth regulating agent. The tobacco-specific foliar fertilizer has the effects of promoting growth of tobacco roots, enhancing the absorption and utilization of tobacco on soil and the fertilizer, promoting lengthening, widening and thickening of tobacco, enhancing the ability of disease resistance, and improving the quality and yield of tobacco leaves.

The invention relates to a controlled release potash fertilizer and a preparation method thereof, and raw materials comprise granular potassium sulfate or potassium chloride, humic acid, and bentonites. The preparation method comprises the following steps: well mixing crushed humic acid and bentonites proportionally, preparing the raw materials according to a weight part ratio (granular potassium sulfate or potassium chloride:humic acid:bentonite=60-70:20-25:10-15), coating the surface of granular potassium sulfate or potassium chloride with the mixture of humic acid and bentonites by using an adhesive on a disc granulator. The controlled release potash fertilizer rich in organic matter comprises 30%-40% of potassium elements, 30%-40% of humic acid, and 5%-8% of bentonites, has a high organic matter content, can effectively realize slow and controlled release of the potash fertilizer, thus can reduce the application amount of the potash fertilizer and reduce plantation cost. When the humic acid slow-release potash fertilizer of the invention is applied to crops, not only the yield is increased, but also the quality is improved.

The invention discloses a plant cultivation bowl and a production method thereof. The plant cultivation bowl comprises a cultivation bowl body, which is a column with one end and the other end closed, and the inner diameter of the closed end is smaller than that of the open end; a movably connected isolating layer is arranged close to the closed end to form a chamber with the closed end; nutrient solution mixed with compound microorganisms is filled inside the chamber; the isolating layer is provided with a plurality of through holes; the cultivation bowl body is formed by pressing bentonite, cattle chip, straw, bean pulp, humic acid and starch; the outer layer of the upper portion of the isolating layer is coated with hydrogel; hydrogel on the outer layer of the cultivation bowl body is coated with degradable plastics. The invention also provides a production method of the plant cultivation bowl. The plant cultivation bowl is degradable and can provide nutrition for plants planted inside the bowl, has the advantages of being high in water resistance and water retaining property and can improve the disease resistance of the plants. The plant cultivation bowl is particularly applicable to improvement of saline-alkali lands in dry regions or saline-alkali regions.

The invention provides soil ecological system restoring organic fertilizer which is high in content of nutrients available for crops and reasonable in nutrition collocation, is thoroughly decomposed, has a small number of foreign microbes and is high in organic matter content. The soil ecological system restoring organic fertilizer comprises organic raw materials, microbial agents and NPK, wherein the organic raw materials comprise cake fertilizer, green manure, plant protein and biochemical humic acid; the microbial agents comprise nine microbial bacteria such as nitrogen-fixing bacteria, phosphorus-solubilizing bacteria, potassium-releasing bacteria, actinomycetes, saccharomycetes, lactic acid bacteria, photosynthetic bacteria, paenibacillus polymyxa and bacillus subtilis; the NPK accounts for 5-25% of the total fertilizer; the NPK comprises ammonium sulfate, ammonium chloride, ammonium nitrate phosphate, ammonium phosphate, potassium sulfate, potassium chloride, potassium nitrate, magnesium sulfate, zinc sulfate and borax; the organic raw materials are taken as the balance of the fertilizer.

The invention provides a multifunctional organic/inorganic compound fertilizer and a preparation method thereof. The compound fertilizer is composed of the following raw materials by weight percent: 25-30% of urea, 5-10% of monoammonium phosphate, 10-18% of potassium sulphate, 27-32% of humic acid, 1.5-3% of zinc sulfate, 0.1-0.3% of microorganism bacterial liquid, 12-20% of diatomite and 1.9-2.7% of sophorolipid, wherein humic acid is obtained from decomposed coal through activation treatment. During preparation, urea, monoammonium phosphate, potassium sulphate, humic acid, zinc sulfate, microorganism bacterial liquid, diatomite and sophorolipid are added to a mixing crusher for crushing, so that a powdery mixture is obtained; the powdery mixture is added to a drum coating-pelleting-drying-cooling integrated machine to be pelleted, dried and cooled so that a granular mixture is obtained; the microorganism bacterial liquid and the diatomite are mixed and then sprayed to the mixture so that a crude product of the multifunctional organic/inorganic compound fertilizer is obtained; and finally, the crude product is added to a vibrating sieve for screening and then the obtained oversize is the multifunctional organic/inorganic compound fertilizer.

The invention relates to a humic acid-containing complete-element water soluble fertilizer. The fertilizer contains potassium humate, potassium fulvate, mannitol, potassium nitrate, potassium dihydrogen phosphate, ammonium biphosphate, urea, N-butyl thiophosphoric triamide, magnesium sulfate monohydrate, boric acid, EDTA chelated manganese, EDTA chelated iron, EDTA chelated copper, EDTA chelated zinc and sodium molybdate. The fertilizer provided by the invention has the advantages of complete nutrition, reasonable proportioning and synergism of all components, good crop growth promotion effect, and good water solubility, can be applied to crops while the crops are irrigated, especially has good effects on economic crops and field crops in dry lands, and is in favor of realizing water saving irrigation.

The invention discloses an earthworm raising material as well as a preparation method and application thereof, and relates to the technical field of earthworm ecological cultivation. The raising material disclosed by the invention is prepared from raw materials of fresh cow dung, kitchen waste, wood bran, corn straw, bagasse and edible mushroom waste residues. The preparation method of the earthworm raising material comprises the following steps of crushing the raw materials, performing natural pile fermentation under the humidity of 50-70% for 15 days, and after the pile fermentation is completed, sprinkling clean water to obtain the earthworm raising material. A method for feeding earthworms with the raising material comprises the following steps of using the earthworm raising material as an earthworm breeding substrate, inoculating the earthworms with the earthworm raising material in the mass ratio of the earthworms to the earthworm raising material being 1 to 30, and performing breeding; and after the earthworm raising material is completely digested by the earthworms, collecting the earthworms and earthworm cast. According to the earthworm raising material disclosed by the invention, on the base of guaranteeing the earthworm culturing quality, high-quality earthworm cast rich in high humic acid is obtained, the waste resource reusing level is further increased, besides, the economic value of the earthworms is also increased, and unification of environmental benefits and economic benefits is achieved.

The invention relates to a compound type sustained or controlled release nitrogen fertilizer special for crops Huang huai hai area, and a preparation method and applications of the compound type sustained or controlled release nitrogen fertilizer. The sustained or controlled release nitrogen fertilizer comprises the following raw materials by weight parts: 80-150 parts of urea coated by 5% of humic acid, 300-400 parts of sulphur coated urea, 350-450 parts of urea coated by 2% of high polymer added with sulphur, 50-120 parts of urea coated by 6% of thermosetting resin and 20-60 parts of urea coated by 5% of recovery thermosetting resin. The compound type sustained or controlled release nitrogen fertilizer is regular in nutrient releasing, is particularly suitable for the absorption of maincrops in different growth periods in the Huang huai hai area, meets the requirements of full-growth perid of great majority of crops, and does not need to apply again after being applied. The invention also provides the preparation method and an application method of the sustained or controlled release nitrogen fertilizer.

The invention discloses a Hami melon planting method capable of preventing fruit cracking. The Hami melon planting method includes the following steps: 1) seed treatment and seedling raising: selecting full Hami melon seeds to be dried in sunlight for 1-3 days, soaking the Hami melon seeds in hot water, soaking the Hami melon seeds in soaking solution, and performing ultrasonic oscillation; and sowing the Hami melon seeds in a seedling raising plate. 2) soil preparation and planting: performing fall-plow and winter-irrigation on a melon land, and embedding a soil conditioner and a humic acid compound fertilizer into the melon land; and building an arc greenhouse in the melon land; and 3) field management. According to the Hami melon planting method, pretreatment is performed on the Hami melon seeds, diseases and pests can be prevented, and the survival rate of the Hami melon seedlings can be improved; the soil conditioner and an insect expelling solution having rich nutriments and a sterilization and deinsectization effect are prepared; fruit holders are provided, even illumination of the whole Hami melon can be ensured, and sunburns on peels of the Hami melon and fruit cracking can be prevented. The obtained Hami melons are even in thickness of peels and size, are high in yield, and are short in growth maturity cycle; and the sugar content of the obtained Hami melons can reach more than 20%.

The invention relates to the technical field of soil remediation, in particular to a tea planting land soil remediation agent and a preparation method thereof. The tea planting land soil remediation agent is a semi-wet and semi-dry powdery mixture and is prepared from substances in parts by weight as follows: 10-30 parts of livestock and poultry excrement, 20-32 parts of a biomass material, 5-12 parts of humic acid, 5-15 parts of river sand, 3.2-9.5 parts of bentonite, 30-45 parts of charcoal, 2-12 parts of diatomite, 2-8 parts of a plant nutrient solution and 2-12 parts of starch. The soil remediation agent is uniformly mixed with a mixed fermentation bacterium solution in the volume ratio being 1:(0.1-0.5) before use, and the mixed fermentation bacterium solution contains nitrogen-fixing bacteria, nitrobacteria and saprophytic bacteria; the soil remediation agent contains rich mixed fermentation bacteria, has significant effects on improving soil hardening and character worsening caused by overuse of nitrogen, phosphorus and potassium, makes soil recover to the original ecological structure and promotes the soil structure to recover to the sufficient fertility state more quickly in combination with multiple nutrients contained in the soil remediation agent.

The invention discloses traditional Chinese medicine fermentation organic slow-release fertilizer for late rice planting. The traditional Chinese medicine fermentation organic slow-release fertilizer is prepare from raw materials including human and animal excrement, straw, fly ash, soybean hull, oil cake, rice hull powder, bean dregs, bentonite powder, daghestan sweet clover, medicago sativa, lignin, cocoa pod shell powder, illite powder, banana peel powder, calcium superphosphate, urea, potassium sulphate, potassium chloride, calcium magnesium phosphate fertilizer, white mud, turf, kaolin, coal gangue, quartz, coal slime, ammonium bicarbonate, nitro-humic acid, traditional Chinese medicine fermentation materials and modified slow-release agents. The invention also discloses a preparation method of the traditional Chinese medicine fermentation organic slow-release fertilizer for the late rice planting. When the traditional Chinese medicine fermentation organic slow-release fertilizer is used in the late rice planting, nutrition substances after the traditional Chinese medicine fermentation are utilized; organic materials and inorganic materials are matched; through slow release agent film covering, rich nutrition substances are provided for the late rice growth; high efficiency and high quality in nutrient release are realized; the yield and the quality of the late rice are effectively improved.

The invention relates to floral organic compound fertilizer. The floral organic compound fertilizer is prepared from fish scale, cow dung, pine needle mulch, plant ash, coconut shells, ground phosphate rock, humic acid, soybean water, herbal residues, bagasses, mushroom dreg and a microbial agent. By the arrangement, growth cycle of flowers can be shortened, the fertilizer is sufficient in nutrition, good in breathability, low-carbon and environment-friendly and low in cost due to multipurpose use of waste, and the function of preventing disease and insect pests is further achieved; the floral organic compound fertilizer is applicable to promotion of flower growth.

The invention provides a biochar-based organic fertilizer and a production method thereof. The biochar-based organic fertilizer is characterized by being prepared from the following components in parts by weight: 20-30 parts of biochar, 35-55 parts of organic matters, 6-9 parts of nitrogen (N), 3-5 parts of phosphorus (P2O5), 5-7 parts of potassium (K2O), 0.5-1 part of amino acids, 0.5-1 part of humic acid, 1.5-2.5 parts of wood vinegar, 1-2 parts of wood tar, 0.05-1 part of a beneficial inoculant, 0.5-1 part of a fertilizer controlled-release agent and 1-3 parts of a forming auxiliary agent.The organic matters are solid animal dung and thoroughly decomposed straws, the water content of which is smaller than or equal to 40%. The production method comprises the following steps: preparing biochar from crop straws after high-temperature pyrolysis; mixing the biochar with the solid organic matters to ferment together for 5-10 days, wherein no biogas slurry is discharged; adding the components in proportion to proportion and granulate; externally spraying the wood tar; and drying the mixture to obtain the biochar-based organic fertilizer. The method solves the problem that the crop straws and the animal dung are accumulated, and does not generate new polluting sources. The organic fertilizer contains various nutritional components and microelements and improves soil, so that wasteresources are utilized effectively to the maximum extent.

The invention relates to a method of using sludge neutralized by steel pickling wastewater to prepare a yellow soil parent material and belongs to the technical field of steel pickling wastewater treatment. The method is characterized by including: pumping the steel pickling wastewater into a pipeline mixer, adding lime slurry adjusting mortar for mixing, press-filtering after mixing, and adding weathered coal containing humic acid into a sludge filter cake while stirring, wherein a mass ratio of the sludge to the weathered coal is 5:1-2; adding fly ash after stirring well to form sludge particles to obtain the artificial iron oxide based yellow soil parent material, wherein a mass ratio of the sludge to the fly ash is 10:1-3. The invention further relates to application of the yellow soil parent material. The yellow soil parent material can serve as heavy metal adsorbent, gas desulfurizer, backfill of building projects and soil conditioner. The method has the advantages of simple process, convenience in operation, easiness on control, low processing cost, wide application range, high consumption and recycling of waste.

The invention discloses organic fertilizer for improving soil. The organic fertilizer is prepared from the following raw materials in parts by weight: 50 to 60 parts of clay, 20 to 26 parts of ammoniated lignite, 16 to 21 parts of beef bone powder, 14 to 18 parts of wheat bran, 26 to 31 parts of soybean meal, 17 to 22 parts of refined bentonite, 10 to 14 parts of turf, 30 to 45 parts of water hyacinth, 11 to 15 parts of lignin, 9 to 13 parts of humic acid, 16 to 20 parts of calcium, magnesium, phosphorus and potassium fertilizer, 7 to 9 parts of zinc oxide, 7 to 9 parts of calcium chloride, 7 to 9 parts of ammonium chloride, 12 to 16 parts of urea, 13 to 18 parts of ferrous chloride and 4 to 8 parts of brassinolide. After the organic fertilizer for improving the soil, disclosed by the invention, is applied to a sand land, the soil can be improved after the organic fertilizer permeates into the land; meanwhile, nutrients of the fertilizer are slowly absorbed by crops and the organic fertilizer has the advantages of remarkable soil improvement effect, promotion of growth of the crops, greenness and environment protection.

The invention discloses an organic fertilizer for agricultural planting, relates to the technical field of agriculture. The organic fertilizer for the agricultural planting is prepared from the following components in parts by weight: 50 to 100 parts of wheat straws, 50 to 80 parts of corn straws, 50 to 80 parts of buckwheat straws, 5 to 10 parts of bacillus subtilis, 1 to 5 parts of allergic protein inoculants, 30 to 60 parts of bentonite, 5 to 10 parts of humic acid powder, 30 to 60 parts of pomace, 10 to 50 parts of rabbit dung, and 10 to 30 parts of trace elements. The influence on the environment caused by the existing fertilizer is greatly reduced; the planting environment of soil is improved; meanwhile, fuel gas can also be provided, and electric energy can also be provided for a user.

The invention discloses a composting fermentation method for an organic fertilizer. The method comprises steps as follows: chicken manure is used as a main raw material, the fresh chicken manure is naturally dehydrated till the moisture content is in a range of 45%-50%, then rice husks, a humic acid and a compound fermentation bacterium agent are added, and the mixture is fully and evenly mixed and then sent into a solar greenhouse type fermentation workshop for fermentation; during fermentation, the temperature of the materials is not higher than 50 DEG C by the aid of material turning; when the temperature of the materials is decreased from 50 DEG C to 35 DEG C, fermentation is stopped. The rice husks are added, so that the breeding speed of microorganisms can be increased, degradation of substances in the fermented materials can be accelerated, the degradation activity of the microorganisms can be enhanced, and the time for reaching a high-temperature stage can be shortened. The KH2PO4 is added, so that the P nutrition of the microorganisms can be enhanced, and curing of the materials can be facilitated. The method is beneficial to environmental protection, the nutrient loss is small, and popularization and application are facilitated.

The invention discloses a liquid organic fertilizer prepared from kitchen waste, and a production process thereof, and belongs to the technical field of fertilizers. The liquid organic fertilizer comprises, by weight, 60-70 parts of kitchen waste, 15-20 parts of straw, 2-3 parts of zymophyte, 1-1.5 parts of nitrogen-fixing bacteria, 0.5-1 part of bacillus mucilaginosus, 0.2-0.5 part of purple bacteria, 3-5 parts of supplementary nutrients, 10-15 parts of potassium hydroxide solution, 4-8 parts of decomposed coal, 5-10 parts of urea, and 200-300 parts of deionized water. Nutrient substances aresupplemented, zymophyte continuously consumes the nutrient substances in the high-temperature fermentation process, after high-temperature fermentation is finished, the nutrient substances in fermentation liquor are sharply reduced, ammonium sulfate, magnesium sulfate, potassium phosphate and calcium carbonate are additionally added into the fermentation liquor to supplement elements needed by the zymophyte, the nutrient substances are kept sufficient, and the nutrient content of the zymophyte is increased. By adding the decomposed coal and a potassium hydroxide solution, the activation of the decomposed coal is facilitated, so that humic acid is converted into a soluble state, and the absorption of crops is facilitated.

The invention belongs to the field of soil water-retaining agents, and particularly relates to a soil drought-resisting water-retaining agent, and a preparation method and using method thereof. The soil drought-resisting water-retaining agent is prepared from the following raw material components in parts by weight: 80-120 parts of polyaspartic acid, 10-20 parts of bentonite, 10-20 parts of kieselguhr, 5-10 parts of humic acid, 20-40 parts of dry plant powder, 3-10 parts of an initiator, 3-10 parts of a crosslinking agent, and 0-0.3 part of an additive. The dry plant powder is prepared according to the following method which comprises the steps that potatoes are sliced and dried, and dry potato slices are obtained; fruit waste is dried, and thus dry fruits are obtained; the dry potato slices and the dry fruits are mixed and then crushed, and the dry plant powder is obtained. The additive is an EM bacteria or nanometer titania. The soil drought-resisting water-retaining agent adopts environment-friendly raw materials, the soil structure can be improved, water can be absorbed during irrigation, and the water can be released to be absorbed and utilized by plants during drying.

The invention discloses a rice growth promoting method for synthesizing artificial humic acid under the catalysis of nano ferric oxide, and belongs to the field of nano agriculture. The method for synthesizing the artificial humic acid by catalyzing the waste biomass by using the transition metal comprises the following steps: adding a mixed solution of alkali, a transition metal catalyst and water into a biomass raw material, and carrying out catalytic reaction at 160-250 DEG C for 6-48 hours; and after the reaction is finished, carrying out solid-liquid separation on the reaction product, and filtering the obtained liquid to obtain the artificial humic acid. The artificial humic acid catalytically synthesized by adopting the nano transition metal can promote the rice to germinate earlier and faster, the germination rate is increased by 15%, the growth of the rice can be effectively promoted, the root activity is increased by 166.76%, the net photosynthetic rate is increased by 72.08%, the absorption of the rice root to water and nutrients and the transfer of the nutrients can be improved, and the yield of the rice is increased. The capability of resisting oxidative stress and salt stress of the rice is improved. Preparation is simple, operation is convenient, and application and popularization are easy.

The invention provides special compound microorganism fertilizer for grapes and a preparation method thereof. The special compound microorganism fertilizer is prepared from the following raw materialsin parts by weight: 25 to 35 parts of fowl manure, 35 to 45 parts of biological charcoal, 6 to 10 parts of compound microorganism bacterium agent, 8 to 14 parts of humic acid, 4 to 6 parts of calciummagnesium phosphate fertilizer, 0.25 to 0.75 part of zinc sulfate, 1.0 to 2.0 parts of ferrous sulfate, 0.2 to 0.75 part of manganese chloride, 0.5 to 1.5 parts of borax and 2.0 to 3.0 parts of silicon dioxide. The special compound microorganism fertilizer for the grapes, provided by the invention, mainly takes the fowl manure and the biological charcoal as main raw materials and is matched witha proper amount of beneficial microorganisms, humic acid and secondary and trace elements; characteristics of microorganism fertilizer, organic fertilizer and inorganic fertilizer are integrated; whenthe special compound microorganism fertilizer for the grapes, provided by the invention, is applied, the post-period growth vigor of grape plants is strong, fruits are large and the sweetness is high; fruit falling and fruit cracking phenomena are remarkably reduced and the yield is high.

A chromium-contaminated soil humic acid green in-situ remediation technique comprises the steps that firstly, when chromium-contaminated soil is crushed, humic acid matter with the agent-chromium ratio being 5-20:1 is added for in-situ reduction; secondly, after the chromium-contaminated soil with the particle size smaller than 3 mm is aged for 1 hour or longer, a strong reductant solution with the agent-chromium ratio being 10-30:1 is sprayed into the soil according to the detected hexavalent chromium content, and uniform mixing and forced reduction are conducted; and thirdly, after reduction, liquid humic acid with the agent-soil ratio being 1-5:100 is sprayed into the chromium-contaminated soil for granulation pelleting, particles are wrapped, seepage and migration of the hexavalent chromium in the particles are prevented, permanent reduction and fixation are achieved, and the planting function of the soil is restored.

The invention discloses a special organic fertilizer for tea oil trees planted in south red soil regions and a preparation method thereof. Fresh dairy manure is taken as the main raw material, rice bran or mushroom residue is taken as the auxiliary material, and the fertilizer also comprises humic acid, a calcium magnesium phosphorous fertilizer, borax, zinc sulfate, ferrous sulfate, amino acids,and powdery fermentation bacteria. The preparation method comprises following steps: evenly mixing and stirring fresh dairy cow manure and urine to prepare a pasty mixture; then evenly mixing the mixture with the auxiliary material, carrying out fermentation; after fermentation, adding zinc sulfate, borax, ferrous sulfate, humic acid, and amino acids; and carrying out resonance vibration and finefiltering to obtain the finished product. The raw materials are simple and easily available, the technology is simple, the production cost is effectively reduced, the organic substance content of thefertilizer is high, and the fertilizer can continuously and effectively improve the soil for a long term, relieves soil hardening, and prevents diseases and pests.

The invention discloses a special fertilizer used for grape planting. The fertilizer is prepared from the following raw materials by weight: 10 to 25 parts of wheat straw, 5 to 15 parts of corn stalks, 9 to 18 parts of bean straw, 4 to 10 parts of Chinese angelica, 8 to 16 parts of milkvetch roots, 13 to 26 parts of plant ash, 10 to 20 parts of plant soot, 8 to 14 parts of humic acid, 3 to 15 parts of an organic matter and 16 to 28 parts of a fertilizer additive, wherein the fertilizer additive is prepared from the following raw materials by weight; 8 to 20 parts of soybean leaves, 10 to 23 parts of mung bean leaves, 14 to 18 parts of grape leaves, 10 to 16 parts of grape roots and 8 to 15 parts of rice straw. According to the invention, through addition of the fertilizer additive, the organic content of soil can be effectively increased, and the water loss rate of the soil is reduced; and through addition of the Chinese angelica and the milkvetch roots, the fertilizer provided by theinvention has the function of capability of effectively preventing and treating plant diseases and pests, and improves the immunity and survival rate of grape vines.

The invention discloses a non-fermented composite organic grease fertilizer which comprises 70-80 parts of animal wastes, 8-10 parts of a grease material, 1-3 parts of ground phosphate rock, 1-3 partsof dolomite and 1-3 parts of mica powder. The preparation method of the non-fermented composite organic grease fertilizer comprises the following steps: 1) uniformly mixing the animal wastes with thegrease material, and performing dehydration till the water content of the animal wastes is up to 20-30%; and 2) performing vapor sterilization, namely performing vapor sterilization in a vapor sterilization room so as to kill all insect eggs, weed seeds and harmful pathogenic bacteria. Due to adoption of the animal waste in the organic fertilizer disclosed by the invention, microorganisms in soilcan be massively multiplied, particularly most beneficial microorganisms, in addition, the grease material in the organic fertilizer can be gradually digested and slowly released in the soil and is long in fertilizer effect lasting, a great number of nucleic acid, amino acids, humic acid and carbohydrate can be generated and multiple active bacterium microorganisms can be propagated in the soil,solid calcium phosphate decomposition substances which are bonded in the soil for years can be decomposed, reused and absorbed by crops, and the fertilizer is simple in preparation process and low incost.

The invention belongs to the field of agricultural fertilizers. The modified humic acid functional water-soluble fertilizer comprises the following raw materials in percentage by mass: 5%-8% of a humate solution, 0.1%-0.2% of a PHC additive, 6%-13% of nitrogen fertilizer, 10%-38% of phosphorus fertilizer, 42%-78% of potassium fertilizer and 0.1%-0.2% of trace element fertilizer, wherein the PHC additive is a humate modifier, and the PHC additive is prepared by compounding citric acid, fumaric acid and 2-hydroxysuccinic acid. According to the modified humic acid functional water-soluble fertilizer, organic nutrition and inorganic nutrition are combined, the soil can be improved while fertilization is conducted, rich and absorbable organic nutrition is provided, carbon nutrients needed by crops are supplemented, and humate and the macroelement water-soluble fertilizer achieve the mutual synergistic effect.