3502 results about "Fulvic acid" patented technology

The invention discloses a method for producing humic acid and salt thereof through the oxidative degradation of young lignite. The method comprises the following steps: carrying out the oxidation reaction of the lignite containing the humic acid and aqueous hydrogen peroxide solution; after the reaction, obtaining water soluble fulvic acid through centrifugal separation, supernatant filtration, concentration and drying; adding alkali into the fulvic acid to prepare a fulvic acid salt product; carrying out the alkaline extraction and centrifugal separation of the residue deposit of the production of the fulvic acid, adding acid into the supernatant till the pH value is 1 to 2, carrying out a reaction at an increased temperature or room temperature, carrying out centrifugal separation after the reaction is finished, and obtaining purified ulmic acid after precipitation and drying; and directly concentrating and drying the supernatant in the previous step to obtain the humate. The method can improve the yield of the fulvic acid and total humic acid in the young lignite, and simultaneously increase the active group in the humic acid. The method can be used for producing fulvic acid, fulvic acid salt, ulmic acid and ulmic acid salt products. In particular, the method puts an end to the environmental pollution caused by the nitric acid which is taken as an oxidation degradation agent. In addition, the method has a short technological line, low cost, simple requirements on equipment, and moderate conditions. The method which can be applied to the industrialized production has good application prospect.

The invention relates to an improver for saline-alkali soil. The improver comprises a powder agent and a water agent, wherein the powder agent comprises the following components: organic matters, plant mycelium protein powder, active calcium, calcium superphosphate, aluminum sulfate, fatty alcohol polyoxyethylene ether ammonium sulfate, amino acid powder, bacillus subtilis and photosynthetic bacteria, and the water agent comprises the following components: citric acid, fulvic acid, humic acid, malic acid, maleic acid, fumaric acid, L-tartaric acid, pyrophosphoric acid, humic acid, lactic acid, oxalic acid, salicylic acid, sodium ion adsorbent, Tween-80 and water. The improver disclosed by the invention can improve the soil from multiple angles, namely soil structure, microorganism species, a chemical method and the like, obviously promote the release of iron and phosphorus in the soil, improve the soil structure, effectively reduce the content of sodium ions in the soil, reduce the pH value of the soil and restore land to a normal planting state after being used continuously for two years.

An organic-based uniprill fertilizer is provided. To produce the fertilizer, organic matter is sequentially pre-treated by first mixing it in a first grinder with a lime admixture, then adding a slurry of reagents and binders, followed by a mixture of acids. The acids can include sulfuric and phosphoric acids, in addition to nitric acid and various organic acids such as citric and fulvic acid, depending on the end requirements of the fertilizer product. Following the mixing of the pre-product with the mixture of acids and reagents, the resultant raw product is preferably processed through a second grinder. This grinding further dries, mixes and granulates the raw product. The particle size of the completed fertilizer is reduced into a flowable, user safe uniprill product that can be further ground to reduce its moisture. Further drying may be necessary for bag or bulk product, or it can be liquified by high speed blending or micro-fluidized for sprinkler or drip applications. The uniprill fertilizer comprises small, preferably microscopic particles that are homogenous in nature, in that any single particle is substantially identical in composition to all other particles of the fertilizer. Additionally, each uniprill particle contains substantially all sixteen nutriments and minerals required for the growth of healthy plants.

The invention discloses a plant growth regulating composition and its application. The composition comprises the following components: A) natural abscisic acid, B) gibberellic acid (GA3, or of GA4 +7), and C) an existing plant growth regulator. The existing plant growth regulator is selected from one or more than two of 6-BA (6-benzylaminopurine), thidiazuron, brassinolide, sodium nitrophenolate, potassium nitrophenolate, chlormequat chloride, triacontanol, naphthlcetic acid and its salt, indolebutyric acid and its salt, indoleacetic acid and its salt, ethephon, diethyl aminoethyl hexanoate, paclobutrazol, uniconazole, fulvic acid, Mepiquat chloride, nitrohumic acid, jasmonic acid and triapenthenol. Specifically, the components A), B) and C) are in a weight ratio of 1:0.001-500:0.001-500. The S-ABA (S-abscisic acid) added in the invention can expand the prevention and treatment objects, reduce or prevent phytotoxicity, reduce dosage, and lower the use cost.

The invention provides a specialized organic / inorganic composite biological medicine fertilizer for watermelon, and a preparation method thereof. The weight parts of composition raw materials are as follows: 50-70 parts of sludge produced by sewage treatment, 20-30 parts of tree ash, 30-40 parts of watermelon vines, 20-30 parts of cow manure, 15-20 parts of bagasse, 5-7 parts of fishbone dust, 8-10 parts of oil cakes, 10-15 parts of the tree ash, 10-15 parts of phosphorus slag, 8-10 parts of poultry feather, 8-10 parts of monoammonium phosphate, 10-12 parts of triple superphosphate, 12-15 parts of potassium chloride, 2-4 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 10-12 parts of decomposed coal, 2-4 parts of seven leaf clover, 9-11 parts of angled bittersweet, 8-10 parts of capillary artemisia, 5-7 parts of fructus cnidii, 6-8 parts of fructus quisqualis, 3-5 parts of wormwood, 3-5 parts of litsea cubeba, 8-10 parts of daturae flower powder, 3-5 parts of paraffin, 1-1.25 parts of zinc sulfate, 2-3 parts of ferrous sulfate, 0.8-1.2 parts of borax, 10-12 parts of potassium fulvic acid, 3-4 parts of chili oil and 0.2-0.5 part of EM strains. A green organic fertilizer is obtained by mixing a plurality of organic wastes and fermenting the mixture, thereby reducing environment pollutions. The specialized organic / inorganic composite biological medicine fertilizer for the watermelon has the advantages of comprehensive nutrition and enhanced sterilizing effects by mixing the fermented organic materials and inorganic fertilizer and adding medicine juice of the Chinese herbal medicine having insectidical functions. With the application of the fertilizer, watermelon quality can be effectively increased; and the watermelon has green leaves, bright flower, prolonged flowering period and increased output.

The invention relates to a liquid silicon fertilizer and a production technique thereof, and belongs to the technical field of fertilizer. The liquid silicon fertilizer is characterized in that raw materials comprise soluble silicon, urea, trace elements, chelate and fulvic acid, which are prepared into the balanced compound fertilizer. The production technique comprises the following steps: 1, dissolving solid potassium metasilicate; 2, dissolving sulfate of the trace elements in water, and adding EDTA into the mixture to obtain the chelate of the EDTA trace elements; and adding boric acid, ammonium molybdate, the urea and the fulvic acid into the mixture after cooling and filtration; and 3, blending the chelate into the mixture to obtain the liquid silicon fertilizer. The production technique is characterized in that (1) the production technique uses water glass and the fulvic acid chelate, has better buffer action for alkali, and can effectively improve stability of SiO3; and (2) the trace elements are chelated twice by using the EDTA and the fulvic acid to form chelated metal ions, so as to prevent silicic acid radicals and the metal ions reacting to form silicate difficult to be dissolved in water, and influence utilization rate of silicon element. The production technique uses the liquid potassium metasilicate and large amount of elements, trace elements and organic substances to establish a balanced compound system, and can effectively improve utilization rate of the silicon element and various nutrient elements for the crops.

The invention relates to a preparation method and an application of a selenium-enriched foliar fertilizer. The preparation method comprises the steps as follows: the selenium-enriched foliar fertilizer is prepared by sodium selenate, sodium selenite, fulvic acid, urea, compound sodium nitrophenolate, SDS (sodium dodecyl sulfate) and the balance water; and the sodium selenate and the sodium selenite are taken as donors of selenium, the fulvic acid is taken as a chelating agent, the compound sodium nitrophenolate is taken as a plant growth regulator, and the fertilizer is compounded by adding the plant growth regulator compound sodium nitrophenolate and the urea and the SDS. The selenium-enriched foliar fertilizer is mainly used for crops such as wheat, corn, tomatoes, muskmelons, sugar beet, red dates, walnuts, apples, bergamot pears and the like, and can provide the selenium element for the crops and improve the selenium contents in the crops. The selenium contents of the crops are improved by 128.6-275.0% while compared with those of crops without using the selenium-enriched foliar fertilizer.

The present invention relates to a composition for treating skin comprising an acylated short chain bioactive peptide and fulvic acid, and optionally colloidal gold. The invention further relates to a method for topically administering the composition in an amount therapeutically effective to reduce wrinkles by building the dermal fibroblast matrix. The invention further relates to a method of treating wrinkled skin by topically administering the composition to an individual in need of such treatment.

Methods for extracting molecules of fulvic acid from a humus material such as oxidized lignite are disclosed. The humus material is mixed with water to solubilize at least some of the fulvic acid molecules. A first filtration apparatus (which may be an ultrafiltration apparatus) may be used to separate at least some of the solubilized fulvic acid molecules from the humin and at least some of the humic acid molecules. A second filtration apparatus (which may be an ultrafiltration apparatus or a nanfiltration apparatus) may be used to then separate the fulvic acid molecules from most of the water and any remaining impurities. A digestion step may also be carried out where microorganisms are brought into contact with the mixture in the presence of oxygen in order to oxidize any unoxidized organic compounds in the humus material. Iron and aluminum may be precipitated and removed by the addition of a phosphate to improve the purity of the end-product.

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 provides selenium-rich nutrient solution, which is characterized by being prepared by the following raw materials in parts by weight: 25-28 parts of sodium selenite, 12-15 parts of ammonium sulfate, 13-15 parts of anhydrous boric acid, 15-20 parts of potassium sulfate, 5-10 parts of clay, 10-15 parts of diammonium phosphate, 2-5 parts of fulvic acid, 0.5-1 part of zinc chloride, and the like. The nutrient solution not only contains major elements required for the growth of carambola, and is rich in trace elements, organic acid and microorganism flora, but also is fed with medicament with efficacies of sterilization and prevention, so as to play a role in insect disease prevention while spraying.

The dry-land planting agent refers to a kind of droughtresistance crop's nutrient specific to the growth of the plants. The invention is composed of the following components: AU absorber with super strength, carbamide, potassium dihydrogen phosphate, ammonium dibasic phosphate, calcium nitrate, bitter salt, ammonium molybdate, zinc sulfate, manganese sulfate, boracic acid or borax, ferrous sulphate, fulvic acid potassium, disodium edta, fatty alcohol polyethenoxy ether, 6- benzyl aminopurine, melissyl alcohol, potassium naphthylacetic acid, indolebutyric acid, gibberellin, santobrite, potassium sorbate, ketotriazole, penta azole alcohol., thiram, carbendazim, acid brilliant scarlet, humic acid, bluestone, potassium permanganate, potassium chloride, polyethylene glycol, bentonite or water. The invention is featured by sopping, molding moisture, molding fertilizer, withering resistance, disinsection, sterilization, strengthening the effects of the pesticide, accelerating the burgeon of the plants, increasing roots, innocuity, no pollution and low cost.

The invention relates to a comprehensive utilization method for grass straws. Firstly, cellulose in the straws is utilized to pulp to serve as a raw material of paper pulp; during the pulping, lignin is dissolved in a stewing liquor to become a main constituent of a solid in a black liquor; the lignin is fully refined through the stewing and has easy degradation, and crops are easy to absorb, so the black liquor becomes a good organic fertilizer; at the same time, a fulvic acid with considerable quantity can be formed under conditions of high temperature and high pressure during the pulping, so the black liquor can be prepared into a high-quality fulvic acid fertilizer; the aim of comprehensive utilization of the grass straws is achieved through the steps, and the good economic benefit can be obtained thanks to the fact that the paper pulp and the fulvic acid fertilizer are expensive.

The invention discloses a microorganism and enzyme powder composite biological agent for a microbial organic fertilizer, which consists of 25 percent of various microbial agents, 23 percent of various bio-enzyme preparations, 30 to 35 percent of microbial nutrition agent, 5 percent of mordenite, 8 percent of dolomite, 3 percent of potassium fulvic acid, and the balance of water. The invention provides the microorganism and enzyme composite biological agent for promoting the high-quality and high-yield production of the microbial organic fertilizer, which is formed by compounding purely natural microorganism and enzyme, and integrates the advantages of the microbial agents and the enzyme preparation, and has the biocatalyst and biological degradation function; when used in a compost, the microorganism and enzyme composite biological agent accelerates the degradation speed of organic matters, makes the temperature of the composting materials rise in a short time (24 hours), eliminates the situations such as strong smelling and mosquitoes and flies breeding, and the like caused in the composting process of the biological organic raw materials, reduces the emission of massive pollution gases, and kills the noxious weeds, pathogenic bacteria and ova in the raw materials, and improves the content of organic matters of the composting product; improves the insect resistance capability of crops, and improves the soil degradation problems caused by the fertilizer.

The invention provides a liquid biological organic fertilizer with high content of organic substances and a preparation method. The fertilizer is characterized by comprising the following components by weight: 60% of a humic acid release inhibitor, 0.4% of a composite biological agent, 10% of fulvic acid potassium, 12% of soluble nitrogen-phosphorus-potassium raw materials, 9% of a chelating medium trace element agent, 8.47% of a soil conditioner, 0.93% of compound sodium nitrophenolate and 0.1% of naphthalene acetic acid; and the fertilizer is prepared by mixing, heating, chelating, concentrating, cooling, microorganism adding, filtering and residue removing. The invention has the following beneficial effects: plant nutrition is directly supplemented; the contents of absorbable organic substances for a root system in soil are rapidly supplemented; growth of the root system is rapidly promoted; absorption area of the root system is enlarged; the chelating medium trace element agent can not be fixed by the soil and exists in a free state in the soil, so the chelating medium trace element agent is easy to be captured and absorbed by the root system in the soil; physiological diseases and pests are prevented from occurrence; quality of an agricultural product is improved; root-rot disease and stem-rot disease are prevented from occurrence; occurrences of fusarium and verticillium wilts and bacterial wilt are reduced; meanwhile, the fertilizer is capable of resisting salinity and alkalinity, resisting continuous cropping diseases, and killing soil-borne diseases.

The invention discloses a biological fertilizer special for flowers. The biological fertilizer special for flowers comprises the following materials in parts by weight: 30-40 parts of chicken manure, 15-20 parts of peat soil, 12-15 parts of rice chaff, 10-13 parts of wheat bran, 8-15 parts of fallen leaves, 20-30 parts of mushroom residue, 12-15 parts of feather, 10-16 parts of straw, 12-17 parts of monoammonium phosphate, 15-25 parts of urea, 10-15 parts of potassium sulphate, 12-15 parts of ammonium sulfate, 11-12 parts of ammonium bicarbonate, 6-8 parts of carboxymethyl chitosan, 4-6 parts of azadirachtin, 2-4 parts of zinc sulfate, 4-6 parts of ferrous sulfate, 1.1-1.3 parts of borax, 25-28 parts of potassium fulvic acid and 0.5-0.8 part of microorganism yeast. The invention also discloses a preparation method of the biological fertilizer. The biological fertilizer special for flowers has the advantages that the ecological environment and farmland soil can be protected, nitrogen, phosphorus and potassium are blended scientifically, crops are easy to absorb, the production increasing is obvious, double functions of fertilizing and killing insects are realized, and environmental protection is achieved.

The invention provides a composite microbial fertilizer and a preparation method thereof, and belongs to the field of composite microbial fertilizers. The composite microbial fertilizer is prepared form the following raw materials in parts by weight: 4-6 parts of organic manure, 2-4 parts of humic acid, 0.7-3 parts of agriculture organic waste, 0.2-0.4 part of marine organic waste, 0.01-0.02 part of a liquid inoculant and 0.005-0.01 part of a solid inoculant. According to the composite microbial fertilizer, on one hand, comprehensive, balanced and easy-to-absorb nutrients are provided for crops, healthy growth of the crops is accelerated, and the produced fulvic acid can be used for adjusting the crop growth as a plant growth regulator, and on the other hand, a lot of beneficial microorganisms are generated. Due to balanced and sufficient fermentation substrates, the produced microorganisms are not easy to die; the composite microorganisms are large in viable number; the composite microbial fertilizer is significant in fertilizer efficiency, environmental friendly, and harmless after being applied; and due to large content of microorganisms and organic matters, the soil structure is also improved.

The invention discloses a foliar comprehensive nutrition biomedical liquid fertilizer, which is prepared by mixing and emulsifying an organic substance fermented and extracted by chicken manure, pigeon manure, straw powder, bone meal, fish meal, cane sugar, soybean meal and other cakes with urea, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, medium trace element, humic acid, amino acid and fulvic acid. The foliar comprehensive nutrition biomedical liquid is a black brown sauced oily product, the total nutrient content of nitrogen, phosphor and potassium is between 30% and 60%, and the foliar comprehensive nutrition biomedical liquid contains a plurality of trace elements and biological activity components, and can be used in agriculture production by a plurality of fertilize modes of spraying on leaves, performing drip irrigation, pouring root and flushing. The foliar fertilizer comprehensive nutrition biomedical liquid fertilizer can satisfy the nutrition demand of the growth of various crops, and has the effects for increasing the adversity resistance capability of the crops, increasing the crop output, improving the agricultural product quality and reducing the fertilizer application.

The invention discloses a method for extracting humic acid and fulvic acid from humus, which comprises the following steps: adopting the humus containing mineral substances as a natural source; preparing an alkaline extractant, the pH of which is between 8 and 13; and then, according to the total weight of extracting liquid, computing and adding the humus containing the mineral substances, whereinthe weight percentage of the humus is 10w / w%-30w / w%; stirring the liquid at the temperature of 30 DEG C-80 DEG C; after a determined time and when the liquid is stirred to reach a determined temperature, adding 50w / w% of hydrogen peroxide (H2O2), the weight percentage of which is 2%w / w%-8%w / w%, and stirring continuously; and after adding the hydrogen peroxide, carrying out solid-liquid separationand purification on the extracting liquid to obtain clear extracting liquid. The humic acid and the fulvic acid and the organic salts of the mineral compounds thereof obtained by the method of the invention can be widely applied to the application of the humus in agriculture, veterinary science, environmental protection, industrial additive, medicine and food additive, thereby having positive practical significance to nutrition supplement, nutrition absorption and health of human beings.

The invention relates to Like-humic acid substance extracted from crop straw and a preparation method of a compound fertilizer thereof. The resource utilization ratio is optimized by extracting humic acid and fulvic acid in rice straw; the pollution to the environment by rice straw is reduced indirectly; meanwhile, the crop production environment can be improved by utilizing the compound fertilizer prepared from the extracted humic acid-like substance; more nutrition is provided for the growth of crops; and the stress resistance of crops is intensified.

The invention discloses an organic fertilizer using chicken manure and mushroom dreg as main raw materials and a preparation technology. The organic fertilizer comprises the following components in percentage by mass: 65 to 75 percent of chicken manure, 20 to 30 percent of mushroom dreg, 1 to 2 percent of biopreparate, and 3 to 5 percent of deodorant. The biopreparate consists of biological fulvic acid and enzyme microorganism, and the mixing ratio of the biological fulvic acid to the enzyme microorganism is 3-4:1-1.5. The deodorant is calcium superphosphate. According to the bioorganic fertilizer, the chicken manure and the mushroom dreg produced in the production process of nearby enterprises are fully utilized, so that pollution to the surrounding environment is reduced. According to the bioorganic fertilizer, environmental pollutants are converted into fertilizer substances required by agricultural production, so that waste is changed into valuable. The viable count of the bioorganic fertilizer is extremely high, so the hardened soil can be effectively improved and repaired; and the organic fertilizer can play a role in resisting diseases and stress. The production technology is simple in flow, easy to operate, short in production period (composting can be finished in 15 to 20 days), low in environmental pollution and low in cost; and the additional value of the organic fertilizer is high.

The invention discloses a seed dressing agent which comprises the following components in parts by weight: 0.1-20 parts of Chinese medicinal herb preparation, 1-10 part of polyacrylate and 1-25 parts of fulvic acid, wherein the Chinese medicinal herb preparation is mainly prepared from the following components in parts by weight: 110-540 parts of mandala, 200-400 parts of rhododendron molle, 200-500 parts of indigowoad leaf, 300-600 parts of houttuynia cordata, 10-80 parts of common andrographis herb, 5-30 parts of Chinese honeylocust fruit and 50-150 parts of radix sophorae flavescentis. Theinvention adopts pure traditional Chinese medicine preparations, thereby guaranteeing that the seed dressing agent is environmental friendly, and moreover, due to the effects of the traditional Chinese medicines, the seed dressing agent has good effects of preventing diseases and resisting pests.

Algae is fermented with microbe to dissolve out the effective components and compounded with fulvic acid to reinforce the nutritious components and trace elements, so as to produce various kinds of fertilizer. The fertilizer contains various matters for promoting the growth of plant, and can strengthen the photosynthesis of crop, increase crop yield, raise crop quality, raise crop resistance, improve physical and chemical performance of soil and eliminate obstruction in succession cropping. The present invention is green fertilizer suitable for modern agriculture.

The invention discloses a method for improving saline-alkali soil. The method includes selecting saline-alkali soil improvement fertilizer comprising coal with not less than 40% of humic acid, organic farmyard manure, rhizobium manure and fulvic acid potassium; ploughing the soil and applying the saline-alkali soil improvement fertilizer; applying base fertilizer; irrigating the soil; soaking rice seeds in warm water until the seeds are cracked, sowing the seeds after water in the field evaporates and the soil layer is exposed, and irrigating the soil after the rice seeds take root; performing topdressing, and applying the saline-alkali soil improvement fertilizer and earing nourishing fertilizer according to seedling conditions, water quality and soil quality. The method has the advantages that salt-alkali resistant rice varieties are combined with the saline-alkali soil improvement fertilizer organically, the saline-alkali soil improvement fertilizer can meet nutrition requirements for rice growth, reasonable matching is achieved, raw materials used are from extensive minerals and industrial and agricultural waste, low cost and high pertinence are realized, improvement cost is reduced, and technical popularization and promotion are benefited.

The invention discloses a special compound fertilizer for watermelons and a preparation method of the special compound fertilizer. The special compound fertilizer for watermelons comprises the following substances in parts by weight: 10-26 parts of high-quality candy pomace, 2-4 parts of fulvic acid, 1-4 parts of adhesive, 10-28 parts of urea, 8-20 parts of monoammonium phosphate, 2-15 parts of potassium sulfate, 20-30 parts of ammonium sulfate, 1-4 parts of trace elements, 2-5 parts of charcoal and 3-5 parts of traditional Chinese medicine. The preparation method comprises the following steps: grinding the previous substances, uniformly mixing, and granulating, thereby obtaining the special compound fertilizer for watermelons. The special compound fertilizer for watermelons disclosed by the invention has the quick effect of an inorganic fertilizer and also has the long-acting and slow-release effects of an organic fertilizer, the volume weight of the soil is reduced, the granular structure in the soil is increased, the pH value of the soil is regulated, the special compound fertilizer has the effects of effectively expelling insects and sterilizing, the sugar content of the watermelon fruits is improved, and the solid content is increased, so that the yield and quality of the watermelons are improved. Meanwhile, the orchard soil can be improved, the environment is protected, and the special compound fertilizer has wide application prospects in green fruit production.

The invention discloses plant nutrient solution with high bioactivity, which is prepared by uniformly mixing, stirring and dissolving the following raw materials in percentage by weight: 8 to 12 percent of nitro-fulvic acid, 10 to 15 percent of chelating protein, 8 to 15 percent of nitrogen, phosphorus and potassium, 2 to 4 percent of microelement and rare earth, 0.8 to 1.0 percent of compound microbe and the balance of water. The nutrient solution has the advantages of having comprehensive nutrition, low molecular weight of oxides, high bioactivity, good water-solubility, strong anti-hard water capacity, high stability in natural environment, and difficult reduction when mixed with reductive substances, well promoting the growth of root system of the plant, helping the absorption of nutritive elements, stimulating the crop growth, improving the content of chlorophyll, promoting the crop photosynthesis, particularly properly controlling the opening degree of leaf stomas of crop, reducing moisture transpiration, increasing antivirus capacity of the crop, also strengthening drought resistance and resilience capacity of the crop, effectively improving the quality of farm products, and having remarkable output increasing effect.

Methods for extracting molecules of fulvic acid from a humus material such as oxidized lignite are disclosed. The humus material is mixed with water to solubilize at least some of the fulvic acid molecules. A first filtration apparatus (which may be an ultrafiltration apparatus) may be used to separate at least some of the solubilized fulvic acid molecules from the humin and at least some of the humic acid molecules. A second filtration apparatus (which may be an ultrafiltration apparatus or a nanfiltration apparatus) may be used to then separate the fulvic acid molecules from most of the water and any remaining impurities. A digestion step may also be carried out where microorganisms are brought into contact with the mixture in the presence of oxygen in order to oxidize any unoxidized organic compounds in the humus material. Iron and aluminum may be precipitated and removed by the addition of a phosphate to improve the purity of the end-product.

The modifier consists of chitosan 1-2 wt%, fulvic acid 10-20 wt%, sodium humate 50-60 wt% and bentonite 18-39 wt%. The modifier is mixed with water in 5-20 times to form suspension liquid, and the suspension liquid is applied to aquiculture pond once every 10-20 days in the amount of 0.5-1.5 Kg each Mu area. The present invention can improve the ecological environment of aquiculture pond obviously.

The invention discloses a fertilizer for fruit trees and a production method of the fertilizer. The fertilizer is prepared from raw materials in parts by weight: 35 to 45 parts of chicken manure, 30 to 40 parts of filter mud in sugar factory, 20 to 30 parts of agricultural residues powder, 20 to 25 parts of tea seed cake, 10 to 15 parts of rice husk powder, 10 to 20 parts of vinegar residue, 5 to 8 parts of fulvic acid potassium, 155 to 175 parts of urea, 125 to 135 parts of potassium sulfate, 55 to 65 parts of potassic-magnesian fertilizer, 85 to 90 parts of calcium superphosphate, 2 to 3 parts of ammonium molybdate, 10 to 15 parts of lignin, 6 to 8 parts of animo acid chelated copper and boron, 7 to 9 parts of sucrose complexed manganese and calcium, 3 to 5 parts of diaminoferric xanthohumate and 4 to 6 parts of zinc lignosulfonate. The fertilizer prepared by the production method disclosed by the invention is abundant in nutrition, can be used for meeting nutrient requirement of the fruit trees, improving growth speed of the fruit trees and improving the yield and the quality of the fruit trees, and is beneficial for promoting the growth of the fruit trees; in addition, by using the fertilizer, the properties of soil can be improved, and soil loosening is promoted; after the fertilizer is applied, a good control effect for diseases and insect pests of the fruit trees can be realized.