fertilizer NPK 30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO, ... . Among the most important are:30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO ... includes:00-20-20, 00-10-10, 00-12-17, 00-10-15, 00-5-17, 00-18-13, 00-18-15, 00-18-18,00-20-29, 00-20 ... -08-32, chemical fertilizer NPK 30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO ...