Screening. The following process is screen. Mainly because there are a few unqualified fertilizer granules right after the process of granulating. You must use NPK fertilizer screening machine to display them out. The most crucial raw products for phosphate fertilizer are superphosphate, superphosphate, monoammonium phosphate, diammonium phosphate, phosphate nitrate. The https://sandraf566icu8.wikigdia.com/user