... 16-16-16 Compound fertilizer, Moisture 2.0MAX Granular 2.0-4mmNPK fertilizerFertilizer is a material that ... nitrogen, potassium and phosphorus), the secondary elements are calcium, sulfur, magnesium, and other elements are boron, ... 46% nitrogen), superphosphate, mono and dibasic ammonium phosphates (containing nitrogen and phosphate), calcium ammonium nitrate, potassium chloride (muriate of potash). ...