... composts, Nitrogenou fertilizer(ammonium sulphate, ammo fertilizer npk 20-10-10Complete Compound Fertilizer Formula Flexible Fertilizerfertilizer as a ... 18-18-18, NPK 19-19-19, NPK 20-20-20, NPK 28-14-14, NPK 6-12-36, NPK ... 20-10-10, NPK 16-8-24, NPK 11 ... mixing with other fertilizers to meet plants' need for special nutrients elements;It is a fertilizer with unique formula ...