1. Farmyard Fertilizer: Farmyard Fertilizer refers to all kinds of organic fertilizers that are used locally and used in situ. It consists of a large number of biological substances, animal and plant residues, excreta, and biological waste. It is rich in organic matter and various macro and trace elements required for humus and fruit trees. It also contains hormones, vitamins, and antibiotics. . It mainly includes compost, manure, manure, biogas fertilizer, green manure, crop straw fertilizer, mud fertilizer and cake fertilizer.

2. Commercial fertilizers: Commercial fertilizers refer to fertilizers that are managed by the State's fertilizer department and sold in the form of commodities in accordance with national regulations. Including commodity organic fertilizers, humic acid fertilizers, microbial fertilizers, organic compound fertilizers, inorganic (mineral) fertilizers and foliar fertilizers. It is mainly based on animal and plant residues, excretions, other biological wastes, and diseased materials as raw materials processed into organic fertilizers, or minerals in physical or chemical industrial forms made of inorganic salt fertilizers.

3. Other fertilizers: refers to foods that do not contain toxic substances, organic by-products of the textile industry, and organic materials made of bone powder, bone glue residue, amino acid residues, poultry livestock processing waste, sugar factory waste, etc., and fertilizers that are allowed to be registered by the agricultural sector. .

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