fertilizer NPK 12-12-17+2MgO,NPK 10-20-10,NPK 16-20-0,NP 23-21-0 NPK compound fertilizersSince the establishment of LVFENG ... portfolio includes:28-28-0, 20-20-0, 20-20-0 + 4S, 14-34-0 + S, 16-20-0 + S, 20-10-0, 23-21+4S, 23-23-0, 15-15-0NK compound ... -0-21, 22-0-19,18-0-27, 25-0-19, 21-0-24,17-0-17PK compound fertilizersLVFENG FERTILIZER’s PK product portfolio includes:00-20-20 ...