This standard specifies the requirements, test methods, inspection rules, labeling, packaging, transportation and storage of amino acid-containing water-soluble fertilizers (trace element type) and amino acid-containing water-soluble fertilizers (calcium element type). This standard applies to products produced and sold within the territory of the People's Republic of China, which contain free amino acids as the main body and are made by adding an appropriate amount of copper, iron, manganese, zinc, boron, molybdenum trace elements or calcium in a proportion suitable for plant growth. of liquid or solid water-soluble fertilizers.