... 13-13-21, 11-22-16, 12-12-17+2MgO, 12-12-17 15-15-15 ,etc NPK ... 17-1716-16-1615-15-1512-6-2212-1-45-5-524-6-1020-10-1013-8-2714-18-18 - 6S - 1B20314-23 ... -14- 5S - 1B20310-20-1015-05-2020-8-2016-8-1614-10-185-20-2Test result :NPK 12-12-17 ... 12%, P2O5:12%, Soluble P2O5:8.4%, K2O:17% (KCl base), MgO:2%,Total (N P2O5 K2O ... ,low chlorideSGS test report for NPK 12-12-17+2MgO+TE : NPK Fertilizers are able to ...