Potassium magnesium sulfate,bio organic fertilizer *K2O:24%,Mg:6%, *S:17%,Cl:2% * ... :7.0~9.0 *100% soluble water Potassium magnesium sulfate,bio organic fertilizer Specification: Element Specification Results of Inspection K2O 24 ... 1~4mm 3~4mm Appearance: granular, powder, pure white.Application methods: as basal fertilizer, topdressing and foliage application.ADVANTAGE:The material ...