240results about How to "Comprehensive nutrition" patented technology

The invention discloses a special formula fertilizer for soilless culture lettuce and a preparation method thereof. The special formula fertilizer for soilless culture lettuce comprises a fertilizer A and a fertilizer B, wherein the fertilizer A is compounded from the following components in percentage by weight: 75-84% of calcium fertilizer and 16-25% of magnesium fertilizer; the fertilizer B is compounded from the following components in percentage by weight: 77-80% of major element fertilizer, 11-15% of minor element fertilizer, 5-8% of buffering agent and 1.4-2.0% of functional additive; and the nitrogen content in the fertilizer A is 14.2-14.7wt%, the calcium oxide content is 19.8-22.2wt%, and the magnesium oxide content is 2.4-3.8wt%. The special formula fertilizer for soilless culture lettuce contains comprehensive nutrients, has a high nutrient utilization ratio, realizes that the pH value of the nutrient solution system can be regulated and controlled in an intelligent manner, can effectively prevent interreaction of ions in the nutrient solution, ensures the stability of the nutrient solution, and is convenient to apply; and the whole fertilizer compounding operation can be completed within one container, thereby achieving the advantages of time saving and labor saving.

The invention relates to an organic / inorganic salt and alkali resistant long-acting corn fertilizer, which mainly contains the following active ingredients in percentage by weight: 10 to 28 percent of nitrogen, 5 to 20 percent of phosphorus, 5 to 18 percent of potassium, 10 to 25 percent of sulfur, 5 to 10 percent of amino acid, 1 to 10 percent of humic acid, 1 to 5 percent of medium trace elements, 1 to 5 percent of sustained release agent and the balance of adhensive. A nitrogen fertilizer may be at least one of urea, ammonium chloride and ammonium sulfate. A phosphatic fertilizer may be at least one of calcium superphosphate, monoammonium phosphate, diammonium phosphate and double superphosphate. A potash fertilizer may be at least one of potassium sulfate and potassium chloride. The amino acid may be an amino acid organic fertilizer or corn processing leftovers. The medium trace elements comprise 0 to 1.5 percent of zinc, 0 to 3 percent of magnesium, 0 to 1 percent of iron, 0 to 1 percent of silicon, 0 to 0.5 percent of calcium and 0 to 0.5 percent of molybdenum. The adhesive is clayey soil. The fertilizer of the invention is a composite fertilizer combining chemical fertilizers and organic fertilizers. The fertilizer of the invention contains all nutrients, combines organic and inorganic matters, acts for a long term after being applied once and can improve soil of saline and alkaline lands and greatly improve corn yield.

The invention relates to a technology for co-composting of blue-green algae and polluted bottom sediment, and belongs to the technical field of environmental engineering. The technology comprises the following steps: at first, heavy metal in the polluted bottom sediment is removed by adopting a bioleaching technology, then blue-green algae and the polluted bottom sediment are mixed, the physicochemical property of the mixture of the blue-green algae and the bottom sediment is regulated to the condition needed by growth of aerobic fermentation microorganisms through adopting conditioners such as straws, rice husks, bran, spent mushroom composts, dregs of decoctions, wood chips and the like by means of the characteristics of high water content of the blue-green algae and C / N ratio imbalance and the like, a certain quantity of nitrogen conserving agents is added, and then a forced ventilation fermentation manner is adopted in a compost factory, the temperature of the compost is increased to be more than 60 DEG C within an extremely short time, the high-temperature fermentation period is kept for about 15 days, and the compost is transferred in a secondary fermentation zone till the compost is decomposed thoroughly after the high-temperature fermentation period is ended. The technology achieves the cleanness of the polluted bottom sediment and large-scale treatment of the quick composting of blue-green algae and the polluted bottom sediment, and combines the harmlessness and the reclamation of the algae and the polluted bottom sediment organically.

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.

The technological process of producing amino acid fertilizer for farm use with low value fish includes adding protease into low value fish to degrade at 40-60 deg.c and pH 6-8, in the solid / liquid ratio of 1 to 6-8 and in the presence of EDTA for 4 hr to obtain degraded liquid; adding proper amount of trace elements and regulating pH value to 6.5. The present invention has reasonable process, can produce liquid amino acid fertilizer with the low value fish as waste, recover rich protein and minerals from low value fish and utilize resource effectively.

The invention discloses EM original dew and a production method thereof, and belongs to the field of microbe preparations. By optimizing a culture medium, aerobic bacteria and facultative anaerobe are inoculated to the culture medium respectively to carry out aerobic fermentation and facultative anaerobic fermentation, and then evenly mixed and inoculated to the culture medium to carry out anaerobic fermentation so as to evenly produce and reproduce EM strains. The EM original dew and the production method have the advantages that the nutrients of the culture medium are comprehensive, and the total number of living bacteria in a finished product can reach more than 10 order of magnitude; and all bacteria in the finished product are in a self-suppression state, the keeping period of the product is as long as 20 months, and the product has no swelling phenomenon.

The invention discloses a drug fertilizer for tomato production based on concentrated liquid of biogas fermentation slurry, which is characterized by consisting of the following compositions in weight percentages: 95 to 98 percent of the concentrated liquid of the biogas fermentation slurry, 25 percent of prochloraz, 0.001 to 0.003 percent of missible oil, 80 percent of mancozeb, 0.01 to 0.03 percent of wettable powder, 0.8 to 1.2 percent of ethylene glycol, 0.8 and 1.2 percent of kerosene, and the balancing being auxiliary materials. A method for preparing the concentrated liquid of the biogas fermentation slurry is characterized by comprising the following steps: taking the biogas fermentation slurry taken from a biogas generating pit or a reactor with normal fermentation and gas generation, making the biogas fermentation slurry pass through a steel sieve the aperture of which is 20 millimeters, and sedimentating the effluent to remove larger suspended substances; filtering the effluent through a sand filter and an ultrafiltration membrane sequentially to retain substances of which the molecular weight is larger than 100, 000 Da; causing the liquid penetrating the ultrafiltration membrane to enter a nanofiltration tank from the top down; arranging a nanofiltration membrane on the lower part of the nanofiltration tank to only allow the substances of which the molecular weight is less than 200 Da to pass through; and when the main fertilizer content index is 10 times or more than 10 times higher than that of the original biogas fermentation slurry, qualifying the concentration. The drug fertilizer integrates the functions of sterilization, disease prevention and fertilizing, reduces the labor intensity, improves the labor efficiency, and effectively reduces the agricultural expenditure for farmers; besides, the drug fertilizer solves the problem of recycling the biogas fermentation slurry produced in the process of utilizing agricultural waste resources to .

The invention relates to a method for production of phosphoric acid and coproduction of an alkaline fertilizer from phosphate ore and potash feldspar. The method comprises the following steps: burdening the phosphate ore, the potash feldspar and coke, grinding, granulating and calcining by a blast furnace to get furnace slag and blast furnace gas, firstly cooling the blast furnace gas by a water bath to recover crude phosphorus and phosphorus sludge, and performing dust removal on the blast furnace gas after cooling by the water bath to recover the phosphorus sludge; performing oxidative combustion on the crude phosphorus and the phosphorus sludge, and then absorbing phosphorus pentoxide gas by water to prepare the phosphoric acid; and performing water quenching, drying and grinding on the furnace slag to prepare the alkaline fertilizer. The calcination product furnace slag obtained by the method disclosed by the invention does not need to be purified again, and the absorbable alkaline fertilizer for crops can be obtained by simple water quenching, drying and grinding; the steps are simple, and the obtained alkaline fertilizer contains various and rich nutrients; by adding the potash feldspar as an additive and reactant, the alkaline fertilizer and synthetic ammonia can be coproduced during the production of the phosphoric acid, the various raw materials are ingeniously comprehensively utilized, and the integral value of the process is further upgraded.

The invention discloses a method for preparing a highly-efficient magnetized liquid compound fertilizer for drip irrigation and a liquid compound fertilizer prepared by the method. The method comprises the following steps: sodium humate, potassium humate, water or landfill leachate, ammonium biphosphate, potassium chloride or potassium sulfate, urea and ammonia are stirred and chelated; simultaneously, under the condition that the strength of a central magnetic field is more than or equal to 20,000 gausses, the mixture is magnetized; and the PH value of the mixture is adjusted to between 4 and 5 through concentrated sulphuric acid or concentrated nitric acid. Compared with the prior art, the liquid drip irrigation fertilizer has good dissolution and full nutrition, is very favorable for absorption by crops, greatly improves the utilization rate of the fertilizer and simultaneously causes no soil hardening.

The invention relates to the technical field of agricultural fertilizers, and in particular relates to a special biological sustained-release fertilizer for tuber crops. The fertilizer comprises the following components in parts by weight: 10-40 parts of compound microbial agent, 50-80 parts of inorganic fertilizer, and 8-10 parts of humic acid. Compared with the prior art, the fertilizer has the advantages that the nutrition proportion is reasonable, and the growing-phase nutrition demand curve of tuber crops can be basically matched with the fertilizer nutrition release curve; the fertilizer contains a high-performance functional strain capable of fixing nitrogen, solubilizing phosphor and solubilizing potassium and an antagonistic strain with a good effect for preventing and controlling soil-borne diseases; the fertilizer utilization can be remarkably improved, environmental pollution can be reduced, and the environment benefit is remarkable; production raw materials of the fertilizer are wide in sources, low in cost and simple in process, and have remarkable economical, social and environmental benefits.

The invention discloses the preparation method of a biologic compound fertilizer, which is characterized in that the preparation method comprises the following steps: (1) retting plant and animal residues and animal manure, i.e. fermenting the plant and animal residues and the animal manure; (2) crushing and removing impurities, i.e. crushing and stratifying the retted materials obtained in step (1) to obtain the fine powdered retted materials and transferring to the next procedure; (3) metering and mixing, i.e. mixing the fine powdered retted materials from the above procedure with urea and calcium magnesium phosphate at the ratio of a production formula and blending in a mixing tray; (4) pulverizing each material weighted in the above procedure; (5) mixing the materials obtained in the above procedure completely by a large rotary table, and spraying a bacterial liquid produced by a strain spray room to make the bacterial liquid adhere in the solid material uniformly while feeding and rotating the material; and (6) packaging the product. The preparation method can produce the biologic compound fertilizer capable of effectively improving the soil with high organic matter content, greatly increasing soil aggregate, and combining effects of fast release and slow release; and the investment is small.

The invention relates to a biological organic fertilizer. The biological organic fertilizer comprises 600 to 900 parts of animal manure, 400 to 600 parts of sugar filtered mud, 50 to 200 parts of oil cakes, 200 parts of peat, 200 parts of edible fungus residues, 200 parts of straw, and 1 to 2 parts of organic fertilizer production inocula all in parts by mass. The biological organic fertilizer provided by the invention is complete in nutrient and capable of effectively improving the utilization rate of the fertilizer nutrients and has a sustainable ability and the dual effects of increasing the crop yield and improving the quality of agricultural products; the quality increasing of the biological organic fertilizer mainly refers to increasing of vitamins C and beta-carotene and reducing of the nitrate content and increasing of a single (strip) part, namely improvements in appearance and inherent quality; the yield of the crops is increased, and the quality is improved; the problem of crop continuous cropping planting is solved; soil physicochemical and biological characters are improved; the specificity of the general bacterial manure is broken, so that biological organic fertilizer has good social and ecological benefits.