Kitchen waste recycling produced microorganism fertilizer with nitrogen fixation and phosphate and potassium dissolving effects

Abstract

The invention relates to a method for producing a microorganism fertilizer with nitrogen fixation and phosphate and potassium dissolving effects from kitchen wastes in a recycling production manner, and belongs to the technical field of microorganism fertilizers and waste recycling. The method comprises the following steps: compounding pretreated kitchen waste, which serves as a main raw material, with trace elements so as to obtain a fermentation culture medium, performing mixed culture so as to obtain microorganisms with the nitrogen fixation and phosphate and potassium dissolving effects, adsorbing compounded microorganism fermentation liquid with turf, and drying and crushing, thus obtaining the microorganism fertilizer. By adopting the microorganism fertilizer provided by the invention, the physical and chemical properties of soil can be remarkably improved, the fertility of the soil can be improved, plant growth can be promoted, plant adverse resistance can be improved, the vegetable yield can be increased, and the vegetable quality can be improved. In addition, the microorganism fertilizer provided by the invention is simple in preparation process, low in production cost and free of environment pollution, is an environmental-friendly fertilizer, and has wide application prospects, and resource utilization of the kitchen wastes can be achieved.

Description

technical field [0001] The invention belongs to the technical field of microbial fertilizers and waste recycling, and in particular relates to a method for recycling food waste and producing microbial fertilizers with the functions of nitrogen fixation, phosphorus and potassium decomposing. Background technique [0002] During the storage process, food waste is easily rotten and deteriorated, emits foul smell, and is easy to spread bacteria and viruses. Its original treatment methods are sanitary landfill, crushed and then discharged into the sewer or mixed with other domestic waste for incineration. The above treatment methods will affect The air and water cause pollution, so that the resources in the kitchen waste cannot be effectively used. In addition, the oil extracted from food waste is returned to the dining table, or the food waste is directly fed to livestock, resulting in food safety problems such as "gutter oil" and "garbage pigs". The environmental and social pr...

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Problems solved by technology

[0004] Chinese patent application 105294262 A discloses a nitrogen-fixing, phosphorus-, and potassium-decomposing microbial compound fertilizer and its preparation method. The raw materials of the microbial compound fertilizer include mixed bacterial liquid, filling materials, urea, calcium magnesium phosphate fertilizer, potassium sulfate, sodium silicate, sulfuric acid Copper, potassium borate, manganese sulfate, zinc chloride, ferric sulfate, calcium chloride, sodium alginate, maltooligosaccharides, sugar residue, amino acid humic acid, soybean meal and honey. The preparation process includes the preparation of filling materials, Microbial fermentation, coating and other steps, the preparation process is complicated, and the production cost is high

Chinese patent application 1331061A discloses a microbial fertilizer with the functions of nitrogen fixation, phosphorus and potassium decomposition. The microbial fertilizer is fermented by mixing Bacillus macerans, Bacillus megaterium and Bacillus colioids in a special medium, and then fermenting the fermentation broth After being adsorbed with peat, it is piled up and fermented, dried, and crushed. Among them, the special medium raw materials include brown sugar, peptone, yeast extract, boric acid, ammonium molybdate, urea, and vitamin B 1 , Vitamin B 12 , vitamins, agricultural rare earths, etc., the production cost is relatively high

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