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Guidelines for the use of fertilizers, green food production [Date: 2005-4-25] Source: China Animal Husbandry Network Author: [font: medium and small] 1. Scope This standard specifies the Class A and AA grade green food green food production are allowed Fertilizer type, composition and use guidelines. This standard is applicable to farm fertilizers and commercial organic fertilizers, humic acid fertilizers, microbial fertilizers, semi-organic fertilizers (organic compound fertilizers), inorganic (mineral) fertilizers, and foliar fertilizers that produce AA-grade green foods and A-grade green foods. Commercial fertilizers. 2. Reference Standards The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. When the standard is published, the versions shown are valid. All standards will be revised and all parties using this standard should explore the possibility of using the latest version of the following standards. GB 8172-1987 Agricultural waste control standards for urban waste NY 227-1994 Microbial fertilizers GB/T 17419-1998 Amino Acids containing foliar fertilizers GB/T 17420-1998 Trace elements containing foliar fertilizers NY/T Green food production site environmental standards 3, Definition of the The standard uses the following definition. 3.1 Green food means safe, high-quality, nutritive foods that comply with the principle of sustainable development, produce in accordance with specific production methods, have been certified by a specialized agency, and permit the use of green food labels. 3.2 AA-grade green food means that the environmental quality of the production site complies with the "Environmental Quality Standard for Green Food Production Areas". Chemically-synthesized fertilizers, pesticides, veterinary drugs, feed additives, Food additives and other harmful effects on the environment and health are not used in the production process. Substances are produced according to the mode of organic production. The quality of products conforms to the standards of green food products. They are certified by specialized agencies to permit the use of products with the AA green food mark. 3.3 Grade A green food means that the environmental quality of the production site complies with the "Environmental Quality Standard for Green Food Production Areas". The production process strictly follows the guidelines for the use of green food production materials and the requirements of the production and operation regulations, and the limited use of chemical synthetic production materials is limited. In line with the standards of green food products, it is recognized by the specialized agencies that it is allowed to use products with Class A green food marks. 3.4 Farm Fertilizer refers to all kinds of organic fertilizers that are locally sourced and used on site. It consists of a large number of biological substances, animal and plant residues, excrement, and biological waste. Including compost, manure, manure, biogas fertilizer, green manure, crop straw fertilizer, mud fertilizer, cake fertilizer and so on. 3.4.1 Compost A variety of straw, deciduous, green cyanine, lake grass as the main raw material and mixed with human and animal dung and a small amount of mud to compile a type of organic fertilizer made by aerobic microbial decomposition. 3.4.2 The materials used for composting are basically the same as those for composting, except that under submerged conditions, microorganisms are fermented by anaerobic fermentation to form an organic material. 3.4.3 Manure A series of organic materials consisting mainly of excrement of pigs, cattle, horses, sheep, chickens, ducks and other livestock and poultry, straws and other litters accumulated by microorganisms. 3.4.4 Biogas Fertilizer In a sealed biogas digester, organic matter is produced under by-products of microorganisms by microbial fermentation. There are two parts: biogas fertilizer and biogas residue fertilizer. 3.4.5 Fertilizer The manure is produced by overturning fresh manure on the spot, using it in different places, or passing through manure and heaps. Mainly divided into legume green manure and non-legume green manure two categories. 3.4.6 Crop straw Fertilizer Fertilizers such as wheat straw, rice straw, corn stalks, soybean stalks, and rape straw are directly returned to the field. 3.4.7 Mud fertilizer is made of uncontaminated river mud, pond mud, gully mud, gang mud, lake mud, etc. 3.4.8 Cake Fertilizer Fertilizers made from residues containing various oils that have been pressed and deoiled, such as rapeseed cakes, cottonseed cakes, bean cakes, sesame cakes, peanut cakes, and castor cakes. 3.5 Fertilizers Fertilizers are sold in the form of commodities under the regulations of national regulations and managed by the State's fertilizer department. Including commodity organic fertilizers, humic acid fertilizers, microbial fertilizers, organic compound fertilizers, inorganic (mineral) fertilizers, foliar fertilizers, and fertilizers. 3.5.1 Commodity Organic Fertilizer A large amount of animal and plant residues, excrement and other biological wastes are used as raw materials to process commercial fertilizers. 3.5.2 Humic Acid Fertilizer Fertilizers containing peat (charcoal), lignite, and weathered coal containing humic acids are processed to produce fertilizers containing plant nutrients. Including microbial fertilizers, organic compound fertilizers, inorganic compound fertilizers, and foliar fertilizers. 3.5.3 Microbiological Fertilizers Live microbiological preparations produced by culturing specific microbial strains. According to microbial fertilizers to improve the different elements of plant nutrition, can be divided into five categories: rhizobia fertilizer, nitrogen-fixing bacteria fertilizer, phosphorus bacteria fertilizer, silicate bacteria fertilizer, compound microbial fertilizer. 3.5.4 Fertilizer made from organic manure by adding appropriate amounts of micronutrient elements after detoxification of animal manure and other biological wastes. 3.5.5 Mineral (Mineral) Fertilizer Minerals are made by physical or chemical industry. Nutrients are in the form of inorganic salts. Including mineral potassium and potassium sulfate, mineral phosphate fertilizer (phosphorus powder), calcined phosphate (calcium magnesium phosphate fertilizer, defluorinated phosphate fertilizer), lime, gypsum, sulfur and so on. 3.5.6 Fertilizers with Foliar Fertilizer sprayed on the leaves of plants and can be absorbed and utilized. Foliar fertilizers must not contain chemically synthesized growth regulators. Including foliar fertilizers containing trace elements and foliar fertilizers containing plant growth aids. 3.5.7 Organic-inorganic fertilizers (semi-organic fertilizers) Fertilizers obtained by mechanically mixing or chemically reacting organic and inorganic fertilizers. 3.5.8 Fertilizers are blended with organic fertilizers, microbial fertilizers, inorganic (mineral) fertilizers, and humic acid fertilizers in certain proportions (except for nitrate nitrogenous fertilizers) and are mechanically mixed. 3.6 Other fertilizers refer to foods that do not contain toxic substances, organic by-products of the textile industry, and fertilizers made from organic materials such as bone meal, bone glue residue, Amino Acid residues, poultry livestock processing waste, and sugar factory waste. 3.7 AA-grade green food production materials refer to production materials that have been certified by a specialized agency to meet the requirements of green food production and are formally recommended for the production of AA and A-grade green foods. 3.8 A-grade green food production materials refer to production materials that have been certified by a specialized agency to meet the production requirements of Grade A green foods and are officially recommended for the production of Grade A green foods. 4. Types of Fertilizers Allowed 4.1 Fertilizer Type AA Green Food Production Type 4.1.1 Farmer's Fertilizer as described in 4.1.1. 4.1.2 AA grade green food production materials fertilizer products. 4.1.3 The use of commercial fertilizers as described in 3.5.1-3.5.7 is permitted in situations where 4.1.1 and 4.1.2 do not meet the production requirements for AA green foods. 4.2 Type A Fertilizers Allowed for Green Food Production 4.2.1 Fertilizer Types 4.1.2 A-Level Green Food Production Information Fertilizer Products 4.2.3 A Class A Green Food Production cannot be Accomplished in 4.2.1 and 4.2.2 Where necessary, the use of the blended fertilizer described in 3.5.8 (with a ratio of organic nitrogen to inorganic nitrogen not exceeding 1:1) is permitted. 5. The use of regular fertilizers must meet the crop's need for nutrient elements and allow enough organic matter to return to the soil to maintain or increase soil fertility and soil biological activity. All organic or inorganic (mineral) fertilizers. Nitrogen-rich fertilizers in particular can be used without adverse consequences on the environment and crops (nutrition, taste, quality and plant resistance). 5.1 Principles for the Use of Fertilizer for Production of Grade AA Green Food 5.1.1 The type of fertilizer used must be 4.1, and any use of chemical synthetic fertilizers is prohibited. 5.1.2 It is forbidden to use municipal wastes and sludges, hospital wastes, and industrial wastes containing harmful substances (such as toxic gases, pathogenic microorganisms, heavy metals, etc.). 5.1.3 Localities can adopt the form of returning straw, returning land to the field, directly returning the land to the field, and returning to the field. 5.1.4 Rational utilization of green manure by covering, overturning, stacking, etc. Green manure should be overturned at the flowering stage. The depth of burial is about 15cm. Sowing or transplanting can only be carried out 15-20 days after pressing. 5.1.5 Decomposed biogas liquids, residues and manure urine can be used as top dressing. Do not use unfamed human waste. 5.1.6 Cake fat is preferred for fruits, vegetables, etc. It is prohibited to use unripe cake fat. 5.1.7 The quality of foliar fertilizers shall meet the technical requirements of GB/T17419, or GB/T 17420, or B3 in Appendix B. Diluted according to the instructions for use. Spray twice or three times during the crop growth period. 5.1.8 Microbiological fertilizers can be used for seed dressing, and can also be used as base fertilizer and top dressing. When using, operate strictly according to the requirements of the instruction manual. The number of viable bacteria in microbial fertilizers should meet the technical specifications of NY227, 4.1 and 4.2. 5.2 Fertilizer Use Principles for Grade A Green Food 5.2.1 The fertilizer type 4.2 must be used. For example, the type of fertilizer in 4.2 is not sufficient to meet production needs, and chemical fertilizers (nitrogen, phosphorus and potassium) are allowed to be used according to the requirements of 5.2.2 and 5.2.3. However, the use of nitrate nitrogen fertilizers is prohibited. 5.2.2 Fertilizers must be applied in conjunction with organic fertilizers. The ratio of organic nitrogen to inorganic nitrogen should not exceed 1:1. For example, 1000 kg of high-quality stubble fertilizer and 10 kg of urea can be used (fertilizer can be used as base fertilizer and urea can be used as base fertilizer and top dressing). The last top dressing of leafy vegetables must be carried out 30 days before harvest. 5.2.3 Fertilizer can also be combined with organic fertilizer and compound microbial fertilizer. Fertilizer 1000kg, plus 5-10kg of urea or 20kg of diammonium phosphate, compound microbial fertilizer 60kg (basic fertilizer as base fertilizer, urea, diammonium phosphate and microbial fertilizer as base fertilizer and top dressing). The last top dressing must be done 30 days before harvest. 5.2.4 The municipal solid waste must be detoxified and its quality must meet the technical requirements of 1.1 in GB8172 before it can be used. Limiting the amount of farmland per acre per year, the sticky soil does not exceed 3000kg, and the sandy soil does not exceed 2000kg. 5.2.5 Straw returning to field: With the clause 5.1.3, it is also allowed to regulate carbonitriding with a small amount of nitrogen fertilizer. 5.2.6 The principle of other use is the same as the principle for the use of fertilizers for the production of AA grade green foods, 5.1.4-5.1.8. 6. Other provisions 6.1 Fertilizers for manufac- turers that produce green foods No matter which raw materials (including human and animal manure, straw, weeds, peat, etc.) are used for composting, high-temperature fermentation is necessary to kill pathogenic bacteria of various parasite eggs, Weed seeds are to be rendered harmless to sanitary standards (in accordance with Appendix A). Fertilizer for farms, in principle, is used locally on the spot. Foreign farmhouse fertilizers should be used only after confirming that they meet the requirements. Commercial fertilizers and new fertilizers must pass the registration certification and production licenses of relevant state departments, and the quality indicators should meet the requirements of Appendix B. 6.2 When fertilization causes soil pollution, water pollution, or affects the growth of crops, and agricultural products fail to meet sanitary standards, the fertilizer shall be stopped and reported to a special management agency. Food produced with it cannot continue to use the green food logo.