Calcium Magnesium Phosphate Fertilizer P2O5 18%min. 100,000MT per annum 1. FMP Fuse Magnesium Phosphate ⁄ ... Calcium Magnesium Phosphate Fertilizer.2. Sandy type Specification:P2O5≥18%,MgO≥12%,SiO2≥20%,Alkaline≥45%,Moisture<1%,Size(0 ... feel free to contact us for more information. Thank you ! 18% fmp