NPK fertilizer refers to a fertilizer containing three main nutrients: nitrogen (N), phosphorus (P), and potassium (Kommon types of NPK fertilizers include compound fertilizers and blended fertilizers. Common NPK fertilizers：Npk fertilizer 15-15-15 manufacturerNPK fertilizer 12-24-12 manufacturerNPK

NPK compound fertilizer 15-15-15 is a compound fertilizer containing 15% each of nitrogen (N), phosphorus (P2O5), and potassium (K2O).Characteristics:NPK compound fertilizer 15-15-15 nutrient balance: This compound fertilizer contains the three main nutrients required for crop growth - nitrogen, pho