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I. Guidelines for the use of fertilizers 1. It is forbidden to use chemical synthetic fertilizers, prohibit the use of municipal waste and sludge, and prohibit the use of hospital waste, garbage and industrial waste containing harmful substances (such as poisonous gas, pathogenic microorganisms, heavy metals, etc.). 2, human, livestock, poultry, urine, etc. must be treated before harmless, such as high temperature fermentation, to kill various parasite eggs and pathogens, weed seeds, remove harmful organic acids and harmful gases, so that it is harmless Health standards. It is strictly forbidden to use unfertilized human excrement. 3. In principle, the organic fertilizer is used locally for local production, and the foreign organic fertilizer can be used only after it meets the requirements. Commercial organic fertilizers, organic compound fertilizers, foliar fertilizers, microbial fertilizers, etc. must be clearly certified or approved by the organic justification agency before use. The last spray of foliar fertilizer must be carried out 20 days before harvesting. When using microbial fertilizers, strictly follow the instructions in the instruction manual. 4. All organic or inorganic (mineral) fertilizers should be used in a manner that does not cause adverse consequences to the environment and tea quality. At the same time, all sources of heavy metals and organic pollutants that are carried by fertilization should be cut off.
Second, the allowed fertilizer 1, organic fertilizer: livestock manure (after harmless treatment), green manure (using cultivation or wild green manure plants for fertilizer), other fertilizers (such as humic acid fertilizer, cake fertilizer, biogas liquid fertilizer and residue) Etc.) 2, microbial fertilizer: such as rhizobial fertilizer, nitrogen-fixing bacteria fertilizer, phosphorus bacterial fertilizer, nitrate bacterial fertilizer, compound microbial fertilizer. 3. Semi-organic fertilizer (organic compound fertilizer): organic fertilizer made by adding appropriate amount of micronutrients. 4, inorganic (mineral) fertilizer: such as mineral potassium fertilizer, mineral phosphate fertilizer (phosphorus phosphate), calcined phosphate (calcium magnesium phosphate fertilizer, deoxyphosphate fertilizer), dolomite, gypsum. 5. Foliar fertilizer: Foliar fertilizer of trace elements (fertilizer mainly composed of CU, FE, MN, ZN, B, MO and other trace elements and beneficial elements) and foliar fertilizer containing plant growth auxiliary substances (using natural Organic extracts or fermented broth of beneficial fungi, and then add some fertilizers prepared with humic acid, alginic acid, amino acids, etc. 6. Other fertilizers: foods that do not contain toxic substances, organic by-products of the textile industry, bone powder, bone Fertilizers made from acid waste, amino acid residues, poultry and livestock processing waste, and sugar waste.
Third, the organic fertilizer is harmless treatment. In organic fertilizers, some human and animal feces often carry various pathogens, viruses, parasite eggs and foul odors. Some of them, such as weeds, often carry various pests and diseases. Seeds, etc., therefore used in organic tea gardens are generally treated, and become harmful and harmless. At present, there are three physical methods, chemical methods and biological methods for the harmless treatment of organic fertilizers. Physical methods such as exposure, high temperature treatment, etc., but the nutrient loss is large, the cost is high; chemical methods such as chemical damage, can not be used in the production of organic tea; biological methods such as rot and tanning after inoculation, in organic tea The only method available in the production process. There are many methods for heap and sputum treatment of organic fertilizers, such as EM heap rot method, self-made fermentation ripening pile rot method, and factory innocuous treatment.
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