... fertilizer NPK 30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO,15-15-15 20- ... 27-6-6, 17-17-17, 16-16-16, 15-15-15, 12-6-22, 12-1-4, 5-5-5 ... 20-20, 19-19-19, 18-18-18, 30-10-10, 15-15-30, 15-30-15, 10-40-25, 08-08-32, chemical fertilizer ... NPK 30-9-9+1.5MgO+TE, 13-13-21 ... , 11-22-16, 12-12-17+2MgO,15-15-15 20 ...