Chemical fertilizers and petroleum products..
Rock Phosphate, Phospho Gypsum, Orthophosphoric Acid, Food Grade Tricalcium Phosphate, Industrial Tripolyphosphate Food Grade Tripolyphosphate, Monocalium Phosphate, Urea 46.2%, Ammonium Nitrate 34.4%, Ammonium Sulfate Sop 52:18.