... of fertilizers such as NPK compound fertilizer, composts, Nitrogenou fertilizer(ammonium sulphate, ammo npk 17-17-17 fertilizerComplete Compound Fertilizer Formula Flexible Fertilizerfertilizer as ... NPK 16-16-16, NPK 17-17-17, NPK 18-18-18, NPK 19-19-19, NPK 20-20-20, NPK 28-14-14, NPK 6-12-36, NPK 20 ... 25, NPK 28-8-17,NPK 15-30-15, NPK 10-45-10, NPK 13-40-13, ETC....It is a fertilizer which stimulates ...