China’s agriculture is currently in the mature period, want to achieve new development in the future, need to change the agricultural development model, the introduction of green ecological agriculture concept, transformation and upgrading. In terms of fertilizer industry, fertilizer grading or becoming the first step in the development of eco-agriculture. By the National Fertilizer Quality Supervision and Inspection Center (Shanghai) to participate in the development of the “fertilizer grading requirements” national standards will be completed, the proposed fertilizer is divided into ecological, field and garden level, and according to grading the development of various hazardous substances limited standards, test methods , Inspection rules, and labeling, packaging, transport and storage requirements corresponding to fertilizer grading. The standard for the mandatory standards for a variety of processes to produce all kinds of chemical fertilizers and organic fertilizers or chemical fertilizers and organic fertilizer mixed fertilizer.
             The definition of eco-fertilizers is a kind of fertilizer that can provide nutrient elements necessary for one or more plants, improve soil properties, improve soil fertility, do not bring negative effects to ecosystems and maintain sustainable and stable agricultural production and ecological safety. Therefore, the development of ecological fertilizer standards should be able to control the harmful substances through the fertilizer into the soil and food chain approach to ensure the quality of food safety; in accordance with the content of harmful substances to guide the establishment of sub-target application of safety and fertilizer regulations; to ensure that fertilizer available resources Effective use of raw materials to prevent the use of pollution; to improve the quality of China’s fertilizer safety and quality of production enterprises to enhance resource conservation and environmental protection awareness. To ensure that the ecosystem does not have a negative effect. First of all to consider the current fertilizer industry in the existence of the risk point. Risk points may come from raw materials, fertilizer production may also come from unreasonable use. Such as phosphate and fertilizer in the mineral raw materials may be excessive heavy metal substances into the soil and so on.