... TE 3 NPK with PGRS 4 Color NPK Compound NPK fertilizerOur NPK fertilizer includes 3 major board.(A ... ) Compound NPK fertilizerSuch as NPK15-15-15,12-12-17 ... -8. Humic NPK fertilizer,NPK +PGRS(C) 100% water soluble fertilizerC1.High Nitrogen:28-14-14+TEC2.High Phosphate ... ,rice,wheat,corn,cotton,fruit tree,vegetable,greenhouse Compound NPK fertilizer