Fertilizers are a class of substances that provide one or more essential nutrients for plants, improve soil properties, and enhance soil fertility levels. They are one of the material foundations of agricultural production. Fertilizers have the functions of enhancing soil fertility and increasing crop yields. They are developed and produced by fertilizer manufacturing enterprises and must meet the requirements of national, industry, or enterprise standards.

• Nitrogen, Phosphorus, and Potassium Fertilizers
• Compound Fertilizers
• Trace Element Fertilizers
• Water-soluble Fertilizers
• Organic Fertilizers
• Organic-Inorganic Compound Fertilizers
• Microbial Fertilizers