8784 results about "Monopotassium phosphate" patented technology

The invention relates to a fertilizer water dispersible granule and a method for preparing the same. The fertilizer water dispersible granule comprises one or more of plant nutrient substances and at least one surfactant which are processed to prepare the regular or irregular granular water dispersible granule. The fertilizer water dispersible granule consists of the following raw materials in portion by weight: 5 to 95 portions of the plant nutrient substance, 1 to 40 portions of the surfactant and 0 to 94 portions of an assistant. The invention has a preferential proposal: the plant nutrient substance comprises monopotassium phosphate, boric acid or borax, humic acid and salt thereof. The fertilizer water dispersible granule also comprises one or more of growth regulators. In addition, the fertilizer water dispersible granule can also comprise a disintegrating agent, an adhesive, a filler, a colorant and other assistants. The preparation method comprises: the metering, pulverization, even mixing, pelletization and drying of formula materials to obtain the fertilizer water dispersible granule. The fertilizer water dispersible granule has rapid disintegrating and dissolving (dispersing) speed in water, is fully dissolved, does not block a nozzle and a drop irrigation pipeline, is uneasy to absorb moisture, has high content of effective compositions, low packaging, storage, transportation, metering and use cost and high utilization rate of the effective compositions, reduces waste and environmental pollution, is widely applied to economic crop, gardening, lawn and urban greening and has extremely wide market application prospect.

The invention discloses a method for cultivating pure white needle mushrooms. The method comprises the following steps: a strain is prepared; a culture material is prepared; bagging and sterilization are carried out; inoculation is carried out; a mycelium is cultured; nutrition, humidity, temperature, light, air and other culture conditions are strictly controlled during a fruiting period; and harvesting is carried out in an optimum period. the formulation of the culture material is 0 to 32 percent of weed tree sawdust, 0 to 93 percent of cotton seed hulls or wheat straw, straw, corncob and other crop straw, 0 to 20 percent of wheat bran, 0 to 10 percent of corn meal, 0 to 10 percent of soybean meal, 0 to 1 percent of calcium carbonate, 0 to 0.2 percent of monopotassium phosphate, 0 to 0.2 percent of magnesium sulfate, 1 to 1.2 percent of sucrose, 0 to 10 percent of rice bran, 0 to 1 percent of plaster and 0 to 0.02 percent of urea. Quicklime and wettable carbendazim are added during the preparation of the culture material so as to prevent the pollution of undesired bacteria. The technical proposal aims to select proper breeds, popularize local large scale planting and improve cultivation benefit.

The invention provides a plant nutrient solution for soilless culture of tomato. The plant nutrient solution is prepared by the following raw materials in part by weight: 2 to 4 parts of potassium nitrate, 3 to 8 parts of calcium nitrate, 1 to 5 parts of magnesium sulfate, 1 to 3 parts of potassium phosphate, 1 to 2 parts of potassium sulphate, 1 to 2 parts of monopotassium phosphate, 0.1 to 0.15 part of Na2-EDTA, 0.05 to 0.1 part of Fe-EDTA, 0.01 to 0.05 part of molybdic acid, 0.01 to 0.03 part of manganese sulfate, 0.3 to 0.5 part of sodium tetraborate, 2 to 4 parts of superphosphate, 0.003 to 0.01 part of zinc sulfate, 0.001 to 0.002 part of copper sulfate, 0.001 to 0.003 part of ammonium nitrate, 1 to 3 parts of urea, 1 to 2 parts of organic acid, 0.5 to 1 part of beta cyclodextrin, 0.05 to 0.1 part of vitamin B, 2 to 4 parts of chitosan, 1 to 2 parts of nicotinamide, 0.5 to 2 parts of amino acid, 0.3 to 0.5 part of diethyl aminoethyl hexanoate, 0.02 to 0.5 part of gibberellin, and 5,000 to 7,000 parts of water. According to experiment, the plant nutrient solution provided by the invention can be used for carrying out soilless culture of tomato, and the tomato has high plant height, thick stem, high cluster and high output.

The invention discloses a method for preparing monopotassium phosphate by using wet-process phosphoric acid. The method comprises the following steps: reacting carbonyl diamide and wet-process phosphoric acid to obtain an intermediate; reacting the intermediate and potassium hydroxide to prepare a monopotassium phosphate product. The method has the advantages of short process route, low energy consumption, stable product quality, low production cost, convenience in operation and safety in production. A side product, namely, slurry can be recycled completely, an entire production process is environment-friendly, clean and free from pollution, and no waste gas, waste water or waste residues are discharged. A response is made to the policy calling of energy saving, emission reduction and clean production, the problems of complex process, instable product quality, high energy consumption and environmental pollution existing in the prior art are solved, and the purity of the obtained monopotassium phosphate product is more than or equal to 98 percent.

The invention discloses an amino acid compound leaf fertilizer and a preparation method thereof, relating to the technical field of production of agricultural fertilizer. The amino acid compound leaf fertilizer is prepared by the following components according to parts by weight: 1-2 parts of zinc sulphate, 1-2 parts of borax, 2-3 parts of magnesium sulfate, 1-1.5 parts of surfactant, 2-3 parts of monopotassium phosphate, 15-20 parts of compound amino acid, 1-2 parts of potassium humate, 1-2 parts of ammonium molybdate, 3-5 parts of calcium chloride, 5-8 parts of urea, 10-15 parts of citric acid, and 15-20 parts of chelant; the amino acid compound leaf fertilizer has the characteristics of being complete in nutrient, high in utilization rate, good in absorption, fast in effect and the like, and can be widely applied to crops such as tobacco, oranges and tangerines, vegetables, melon and fruits and the like.

The invention relates to an effervescent composition of a water-soluble fertilizer and a preparation method thereof. The effervescent composition contains one or a plurality of plant nutrient substances and one or a plurality of compounds which are contacted with water to generate gas. The effervescent composition comprises an optimized proposal that the plant nutrient substance is monopotassium phosphate. The effervescent composition can be also added with acid, a plant growth conditioner, a surfactant, a filler, a disintegrating agent, an adhesive, dye, a lube and the like. The preparation method comprises the following steps: ingredients are weighed, mixed, pulverized, pelletized and dried to obtain the effervescence composition. The effervescent composition can be manufactured through a routine production process, has rapid disintegrating and dissolving (diffusing) speed in the water, does not block a spray head or drip a pipeline, is uneasy to absorb dampness, has high content of effective compositions, low packaging, storage, metering and using cost and high utilization rate of the effective compositions, reduces waste and pollution to environment, is widely applied to economic crops, gardening, lawns and urban landscaping and has wide market application prospect.

A liquid fertilizer containing wood vinegar liquid or oxalic vinegar liquid and its production are disclosed. The liquid fertilizer consists of urea 1í½20.0%, potassium phosphate 1í½20.0%, potassium nitrate 1í½20.0%, lime nitrate 0.1í½10.0%, magnesium sulfate 0.1í½5.0%, ferrous sulfate 0.1í½5.0%, manganous sulfate 0.1í½5.0%, zinc sulfate 0.1í½5.0%, cupric sulfate 0.1í½5.0%, boron sand or boric acid 0.1í½2.0%, sodium molybdate or ammonium molybdate 0.1í½1.0%, plant hormone or plant regulator, rare earth element or humus acid or pesticide auxiliaries etc. The process is carried out by proportioning and mixing. It can improve bacterium inhibiting and plant growth regulating functions.

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

The invention relates to a charcoal based plant cultivation substrate and a preparation method thereof, and belongs to the technical field of soilless culture. The invention adopts the specific scheme that: after being dried, biomass material is pyrolyzed to form charcoal particles under an anoxic and heating condition, potassium dihydrogen phosphate is used for neutralizing the alkalinity of the charcoal particles and filtering and drying are performed, and after a certain amount of inorganic fertilizer is added, the charcoal particles are fully mixed with inorganic filling material, organic filling material and organic fertilizer, namely the charcoal based plant cultivation substrate is obtained. The invention has the advantages that the physical chemical property is excellent, the nutrients are complete, the fertilizer efficiency is lasting, the moisture adjusting capability is strong, the cost is low, the ecological benefits are high, the suitability is strong, the application range is wide, and the charcoal based plant cultivation substrate is suitable for cultivation of various plants.

The invention provides a method for preparing seaweed organic fertilizer, which is produced by fermenting waste residue after seaweed gel is extracted. Aiming at the problem that the seaweed residue is not easy to degrade so as to cause difficult fermentation, the method comprises the step of adding 0.1 to 1.5 percent of potassium dihydrogen phosphate into components to convert insoluble calcium alginate into soluble potassium alginate, accelerate fermentation and decomposition of the seaweed residue, reduce fermentation time by 5 to 8 days, reduce decomposition time by 5 to 10 days, reduce production period remarkably, and improve efficiency.

The invention relates to preparation method and application method of a grape special fertilizer, wherein the preparation method comprises the following steps: preparing an I-type fertilizer by taking the following ingredients in parts by weight: 30-40 parts of urea, 20-30 parts ammonium phosphate, 15-30 parts of potassium sulphate, 1-3 parts of humic acid, 1-3 parts of excrement, 1-5 parts of synergist, 0.1-1.0 part of ferrous sulphate, 0.1-0.8 part of zinc sulfate, 0.1-0.6 part of manganese sulphate, 0.1-0.6 part of borax, 0.1-0.4 part of copper sulfate, 3-7 parts of plaster and 3-13 parts of bentonite; preparing an II-type fertilizer by taking the following ingredients in parts by weight: 7-15 parts of urea, 25-35 parts ammonium phosphate, 35-45 parts of potassium sulphate, 1-3 parts of humic acid, 1-5 parts of excrement, 2-5 parts of synergist, 0.1-1.0 part of ferrous sulphate, 0.1-0.8 part of zinc sulfate, 0.1-0.6 part of manganese sulphate, 0.1-0.6 part of borax, 0.1-0.4 part of copper sulfate, 3-7 parts of plaster and 3-13 parts of bentonite; and blending, spraying, pelleting and drying at lower temperature to obtain the product. The application method of the fertilizer comprises the following steps: taking an organic fertilizer and the II-type fertilizer as a base fertilizer; applying the I-type fertilizer before blossom, applying the II-type fertilizer in the young fruit development period, and meanwhile, respectively spraying monopotassium phosphate and rare earth mixed liquid once on the leaf surfaces; and spraying calcium nitrate or calcium acetate to enhance the storage resistance property before picking.

The invention provides effective technology for extracting active ingredients of Entermorpha and a method for preparing an Entermorpha alga fertilizer. The method is characterized by comprising: taking the Entermorpha as a raw material, effectively extracting the active ingredients of the Entermorpha through technical processes such as pretreatment of raw materials, leaching, neutralization, concentration and combination, taking an extracting solution as a base fluid, combining the extracting solution with at least one composition of humic acid, urea, potassium dihydrogen phosphate, potassiumsulfate, monoammonium phosphate and microelement, and preparing the high-activity Entermorpha alga fertilizer. The Entermorpha alga fertilizer is rich in active substances of algae, not only can strengthen photosynthesis of crops, increase the yield of the crops and improve the product quality but also can strengthen the cold resistance, the drought resistance, the stress resistance and the disease resistance of the crops, promote earliness of the crops and increase the fertile flower percentage and the fertile fruit percentage, has lower production cost, good solubility and safe use, is friendly and harmless to human beings, domestic animals and the natural environment, and is a novel environment-friendly fertilizer suitable for modern agriculture.

The invention discloses an algae organic fertilizer. A preparing process of the algae organic fertilizer includes steps of (1) removing sand of algae, drying the same in the sun or baking the same by the temperature of 50 DEG C to 70 DEG C and obtaining dried algae; (2) smashing the dried algae to be algae powder, mixing the algae powder with water and breaking wall by ultrasonic waves to obtain leach liquor; and (3) filtering, centrifuging, decolorizing, concentrating and drying the leach liquor, and finally the algae organic fertilizer is formed. Further, in order to enhance nutrition, nutrient components, such as urea, monopotassium phosphate and microelements and the like can be added according to needs, so that the required algae organic fertilizer can be obtained. The algae organic fertilizer extracted by ultrasonic waves has the advantages that extraction time is short, yield is high, degradation and denaturation at the high temperature for a long time and damages to effective constituents by high temperature and high pressure are avoided, and heating is omitted and the like as compared with that extracted by conventional extraction method. Algae are used as raw materials for producing the algae fertilizer, so that the problem of pollution to the environment is solved, waste is changed into treasure, production cost is saved, and the algae organic fertilizer has great economic value and profound and lasting environmental significance.

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 provides a soil heavy metal composite passivating agent, comprising the following raw materials in percentage by mass of: 25% of slaked lime, 10-20% of monopotassium phosphate, 20-45% of plant ash and 20-45% of silkworm excrement. With the adoption of the soil heavy metal composite passivating agent disclosed by the invention, compared with a control group, an effective state lead content of the soil polluted by heavy metal is reduced by 20.23-47.61% within culture time of 30 days, and an effective state cadmium content is reduced by 20.15-50.57%; the passivating effect of the soil heavy metal composite passivating agent on the heavy metal is extremely obvious; and meanwhile, compared with the control group, the content of organic matters is improved by 48.62-64.47%, and the soil fertility is obviously improved. A method disclosed by the invention is applicable to repairing large-area heavy metal polluted soil and comprises the steps of repairing a heavy metal polluted farmland and repairing a heavy metal polluted mine; and the method has the advantages of lower cost, rapidness for repairing, simplicity in operation, feasible method and extremely great popularization value.

The invention relates to a plant nutrient liquid fertilizer. In order to solve the problem of over fertilization, the plant nutrient liquid fertilizer is prepared from the following raw materials in proportion by weight: aqua brassin 12-36, gibberellin 1-4, indoleacetic acid 30-80, abscisic acid 10-20, naphthaleneacetic acid 50-90, salicylic acid 80-180, vitamin C 1-3, cane sugar 40-100, chitin 20-80, 0.05-0.2 percent triacontanol 400-1,000, hydrolyzed protein 2-5, potassium dihydrogen phosphate 300-400, thiourea 40-120, cobalt chloride 5-12, borax 50-100, sodium silicate 30-55, urea 300-500, ammonium molybdate 50-80, copper sulfate 30-65, zinc sulfate 120-200, magnesium sulfate 100-150, calcium chloride 50-120, manganese sulfate 40-80 and water in the amount of 3-8 times the total amount of all the raw materials or water in the amount capable of dissolving all the raw materials, wherein the water is de-ionized water or micro cluster water; and the preparation method is that all the materials are prepared into aqueous solution. The plant nutrient liquid fertilizer has the advantages of favorably solving the problems of over fertilization and shortage of nutrient elements in soil, obviously improving the plant adverse resistance, improving the photosynthesis and the accumulation efficiency of nutritive materials and improving the yield and the quality.

The invention discloses a drought-resistant energy crop seed pelleting agent, a preparation method and a using method thereof. The seed pelleting agent comprises the following components: straw powder or overrotten organic matter, a plant growth regulating substance, a water absorbent resin, a filler, an adhesive, an insecticide, a bactericide, urea and monopotassium phosphate. The method for seed pelleting comprises the following steps of: 1) spraying an adhesive water solution on the surfaces of drought-resistant energy seeds evenly; 2) mixing the drought-resistant energy seeds of which the surfaces are the adhesive water solution and a pelleting agent for coating; and 3) repeating the step 1) and the step 2) until the diameters of the seeds meet the requirement. The invention breaks the traditional idea that the pelleting agent absorbs water in soil of a plough layer, establishes a theory of absorbing water before the sowing and sowing after the germination acceleration, and realizes the aim that the pelleting agent can absorb the water before the sowing after the coating, does not disperse after the water absorption, has good expansibility, ensures that the seeds germinate in the palleting agent and can adopt mechanized sowing by adding crop straw powder or the overrotten organic matter which is rich in water absorption expansibility into the components of the pelleting agent.

The invention discloses a Dendrobium officinale culture solution and belongs to the technical field of agricultural planting. The culture solution comprises the following ingredients: potassium nitrate, ammonium nitrate, magnesium sulfate, manganese sulfate, zinc sulfate, monopotassium phosphate, copper sulfate, potassium iodide, cobalt dichloride, boric acid, sodium molybdate, vitamin VB1, vitamin VB6, vitamin VB5, glycine, ferrous sulfate, disodium ethylenediamine tetraacetic acid, calcium chloride, naphthylacetic acid, mashed banana, mashed potato, white sugar, inositol, and powdered agar. The dendrobium officinale culture solution is reasonable in compatibility, can provide comprehensive nutrition for a Dendrobium officinale stem, fast promote the stem to grow out of a root, increase the polysaccharide content and the amino acid content in the Dendrobium officinale, shorten the time for culturing the Dendrobium officinale stem to a complete plant to about 25 days, and significantly improve the transplanting survival rate of the Dendrobium officinale.

A preparation method of a microecological culture feed additive belongs to the technical field of livestock and poultry feed additive. A solid fermentation medium comprises 40% of wheat bran, 10% of corn, 9% of soybean meal, 0.5% of urea, 0.1% of potassium dihydrogen phosphate, 0.1% of sodium dihydrogen phosphate, 0.1% of manganese sulfate, 0.2% of calcium chloride and 40% of water. fermentation strains include plant lactobacillus, bacillus subtilis and saccharomyces cerevisiae in a ratio of 1:2:2. The method comprises the following steps: crushing, sieving, mixing, disinfecting, preparing fermentation bacteria liquid, inoculating fermentation strains and obtaining a finished product. The microecological culture feed additive provided by the invention combines functions of nutrition and health care, has no toxic or side-effect or pollution, and can improve antioxidation capability and immunization function of a weaning pigling, increase daily weight gain of the pigling and forage conversion rate, reduce diarrhoea rate, reduce or prevent pigling weaning stress syndrome and substitute antibiotic additive in forage.

The invention discloses a pleurotus geesteranus medium and a preparation method thereof. The recipe of the medium comprises (by weight) 60-75% of cotton seed hull or wheat straw or rice straw or corn cob, 7-15% of weed tree sawdust, 8-15% of wheat bran or rice bran, 3-8% of corn flour, 0.5-1.5% of sucrose, 1-1.5% of dried gypsum, 2-2.5% of quicklime, 0.1-0.3% of potassium dihydrogen phosphate and 0.1-0.2% of magnesium sulfate. The preparation method of the medium comprises the following steps: dissolving the quicklime, the dried gypsum, the potassium dihydrogen phosphate and the magnesium sulfate into water; adding the cotton seed hull or the wheat straw or the rice straw or the corn cob and the weed tree sawdust for prewetting; then adding the rice bran, the corn flour, the wheat bran and the sucrose and mixing evenly; and returning the medium having been used for planting the pleurotus geesteranus to field and soil in situ. The technical scheme can cause the pleurotus geesteranus to grow better and avoids the defect of no special medium for the growth of the pleurotus geesteranus in the prior art.

The invention discloses a Pleurotus eryngii culture medium and a manufacturing method thereof. The culture medium comprises 75 to 80 percent of cottonseed hulls or wheat straws or straws or corncob, 5 to 12 percent of wheat bran or rice husks, 8 to 10 percent of dry fowl manure, 3 to 8 percent of cornmeal, 1 to 2 percent of hemihydrate gypsum, 0.5 to 1.5 percent of sucrose and 0.5 to 1.5 percent of quicklime, and is added with 0.1 to 0.3 percent of potassium dihydrogen phosphate and 0.1 to 0.2 percent of magnesium sulfate according to the total amount of the compositions, and various compositions are calculated by weight percentage. The cottonseed hulls or the wheat straws or the straws or the corncob and the dry fowl manure are stacked and retted before use; and the culture medium after cultivation of Pleurotus eryngii is subjected to on-the-spot returning treatment. By adoption of the technical proposal, the method can make branched oyster mushrooms organisms well grown, overcome the defect that the prior art has no culture medium specially prepared for branched oyster mushrooms, simplify the production process, shorten the growth period of the Pleurotus eryngii, and improve the bioconversion of the Pleurotus eryngii.

The invention discloses a plant nutrition liquid, which is characterized by the following: comprising potassium nitrate, calcium nitrate, magnesium sulfate, ammonium phosphate, potassium sulfate, monopotassium phosphate and so on a good deal of element; comprising edetate disodium, ferrosi sulfas, boric acid, manganese sulfate, zinc sulfate, copper sulfate, ammonium molybdate and so on microelement; comprising azophoska fertilizer and fertilizer booster; including diverse nutritious element of vegetation development; providing nourishing element for large and medium scale bush and small arbor. This invention also discloses a utility scheme in large and medium scale woody plant soilless culture.

The invention relates to a compound microbial agent which comprises compound bacteria for decomposing kitchen wastes and auxiliary materials for solid fermentation, wherein the compound bacteria comprise 10-15 parts of cellulose degradation bacteria, 15-30 parts of starch degradation bacteria, 15-20 parts of protein degradation bacteria, 15-20 parts of grease degradation bacteria, 10-15 parts of bacillus subtilis and 5-15 parts of pseudomonas aeruginosa; the auxiliary materials comprise 50-60 kg of wheat bran, 15-20 kg of bean pulp, 0.4-0.6 kg of magnesium sulfate, 0.4-0.6 kg of potassium dihydrogen phosphate, 0.1-0.2 kg of disodium hydrogen phosphate and 8-10 kg of glucose. The inoculation amount of the compound bacteria in the auxiliary materials is 0.8%-1%, and the compound bacteria is subjected to solid fermentation to obtain the compound microbial agent. The compound microbial agent has a good decomposing effect on greases, proteins and fiber substances and can be tolerant to salt with a certain concentration; optimally, the degradation rate can reach more than 90%.

The invention discloses an edible fungus culture medium with grape branches as a main raw material, and an edible fungus culturing method. The culture medium comprises, by weight: 77-80 parts of grape branch chips, 18-22 parts of wheat bran, 0.5-2 parts of gypsum, 3-5 parts of corn flour, 0.5-2 parts of potassium dihydrogen phosphate, and 0.5-2 parts of magnesium sulfate. According to the invention, grape farming offcuts are sufficiently utilized, and wastes are turned into useful matters. Grape branches contain various nutrients such as glucose. Therefore, compared with prior arts, no additional sugar is needed in the culture medium, such that cost is reduced, and process is simplified. The grape branches are used for substituting miscellaneous wood, such that the chopping of miscellaneous wood is reduced. Therefore, the culture medium and the method are beneficial for environment protection.

The invention relates to a phosphate cement based patching material and a preparation method thereof. The patching material is prepared from the following ingredients in parts by weight: 100 parts of magnesium phosphate cement, 20 to 40 parts of mineral admixtures, 120 to 140 parts of fine aggregates, 0.5 to 1 part of water glass, 0.5 to 1 part of fiber and 20 to 30 parts of water. The preparation method is characterized in that the raw materials are proportionally weighed; magnesium oxide, monopotassium phosphate and composite retarders are firstly stirred and mixed; then, the magnesium phosphate cement is obtained; then, the mineral admixtures and the fine aggregates are added; after uniform stirring, the water glass, the fiber and the water are added; stirring is performed for 3 to 4 minutes by a stirring machine; the phosphate cement based patching material is obtained. The prepared phosphate cement based patching material by the invention has the advantages that the coagulation time is about 30 minutes; the restoration time is short; the construction is not influenced; the restoration effect is obvious; the application requirement of fast patching the damaged road surface is met; the phosphate cement based patching material is applicable to fast restoration projects of cement concrete pavements.

The invention discloses an organic selenium biologics and its preparation method, and method for producing selenium-rich vegetable using the same, wherein the preparation is prepared from water and the following components (by weight percentage) through mixing and fermentation, selenium dioxide : sodium hydrogen carbonate : methionine : brown sugar : carbamide : monobasic potassium phosphate : magnesium sulfate : manganese sulfate : calcium chloride = 35-45 : 35-45 : 10-20 : 45-55 : 1-10 : 1-10 : 1-4 : 1-4 : 1-10, the method of application comprises, diluting the organic selenium biologics to 50-200 times by charging water, spraying diluted organic selenium biologics liquid onto the vegetable leaves, stems or roots. The vegetable exerted by the organic selenium biologics contains rich selenium.

The invention relates to a method for cultivating microbial strains of phellinus linteus, which is characterized in that the culture media of microbial strains comprises the following components by weight percent: 75-85% of sawdust of poplar or willow or mulberry, 10-15% of bran, 5-8% of rice bran, 1-2% of plaster, 0.2-0.5% of monopotassium phosphate, 0.1-0.3% of magnesium sulfate, wherein, the sum of the weight percentage of the components is 100%. The microbial strains of phellinus linteus prepared in the invention has rapid growing of microbial strains of phellinus linteus, not easy ageing and yellow water occurred on surface hypha; and the strains can expand completely after 30-35 day cultivation. By adopting the method for cultivating a phellinus linteus forest land, forestry land resources can be fully utilized to plant phellinus linteus products; the method is simple and practicable; and the produced phellinus linteus with large volume can be artificially cultivated in great amounts, thus fully meeting the market demand.

The invention discloses a water culture nutrient solution prescription of a lettuce and a preparation method of the water culture nutrient solution prescription, and belongs to the technical field of plant soilless culture of the agricultural science. The nutrient solution prescription of the lettuce comprises the following components: a fertilizer A composed of 584.23g / T of calcium nitrate, 421.34g / T of potassium nitrate and 47.8g / T of ammonium nitrate; a fertilizer B composed of 182.4g / T of monopotassium phosphate and, 256.23g / T of magnesium sulfate; a fertilizer C composed of 16.8g / T of FeEDTA (Ethylene Diamine Tetraacetic Acid), 3g / T of boric acid, 2g / T of manganese sulfate, 0.25g / T of zinc sulfate, 0.85g / T of copper sulfate, and 0.38g / T of ammonium molybdate; hormone composed of 0.1g / T indolebutyric acid of or 0.1g / T of naphthylacetic acid; a bactericide composed of 15g / T of carbendazim; and nutrient solution pH (Potential Of Hydrogen) adjusting acid composed of 200ml / T of phosphoric acid or 150g / T of citric acid. The prescription is nutritionally balanced, so that the demand of the lettuce to nutrition can be met, the amount of used nutrient elements is decreased at the same time, the output of the lettuce is increased, and the fertilizers are saved; and the prescription effectively decreases the contents of nitrates in the lettuce under the water culture, improves the quality of the lettuce, enables the simplification of the complicated processes in preparation based on the demand of the actual operation, and is suitable for being used for meeting the requirements of industrialization production.

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 discloses a preparation method of an algae amino acid microbial fertilizer, which comprises the following steps: (1) crushing algae, adding water and a fermentation promoter, sterilizing for 20-40 minutes at the temperature of 120-125 DEG C, reducing the temperature to room temperature, adding a composite strain to ferment the mixed solution for 3-5 days at 25-35 DEG C, and adjusting the pH value to 7.2-8.0; and (2) sequentially adding urea and / or monopotassium phosphate and chelating-state trace elements into the solution obtained in the step (1) in a stirring state, and stirring for 20-50 minutes to obtain the liquid algae amino acid microbial fertilizer. According to the invention, algae is subjected to deep fermentation by use of a high-activity microbial agent, the natural active ingredients in algae are perfectly maintained; and due to compatibility with the chelating-state trace elements, the nutrient elements and utilization rate of the fertilizer are improved, and the algae amino acid microbial fertilizer is a novel algae microbial fertilizer for bioremediation and soil adjustment and conforming to ecological balance of animals, plants and microorganisms.