... Makeing From phosphate rock and sulfuric acid by the chemical reactions ,then to be a kind of chemical fertilizer contains phosphorusMain ... components [Ca(H2PO4)2•H2O],(CaSO4)Others components Phosphoric acid, free water, iron phosphate, aluminum phosphate, magnesium dihydrogen phosphate ... once, and ventilation should be stacked in a dry Phosphate fertilizer