What is the common npk fertilizer manufacturing process?

Npk fertilizer manufacturing process is a process in which nutrients such as nitrogen (N), phosphorus (P), potassium (K) are mixed and made into particles by physical or chemical methods. This process not only facilitates the transportation and use of fertilizers, but also contributes to the uniform application and slow release of fertilizers.
Wet granulation is the most common npk fertilizer manufacturing process.
Ingredients: First, different nitrogen, phosphorus, potassium raw materials and other required raw materials according to the formula requirements in the mixing station to complete the ratio.
Mixing: Mixing the proportioned nitrogen, phosphorus, and potassium fertilizers together with possible fillers and additives to form a fertilizer mixture.