The production of compound fertilizers often uses soil testing formulas to measure the nutrient status of the soil. Soil testing formula fertilization is based on soil testing and fertilizer field experiments, and proposes the application quantity, fertilization period, and application method of nit

The common granulation processes for compound fertilizers include drum granulation, disc granulation, spray granulation, and tower granulation.High concentration nitro compound fertilizer is produced by the high tower melt rotation granulation method. This technology sprays molten nitrate, phosphoru