Mannheim Grade Potassium Sulphate (SOP)

Mannheim Grade SOP is a white crystal, or white Granule. Generally, its potassium content (K2O) is 50% to 52%. It is easily dissolved in water and is a kind of chlorine-free and fast acting water soluble fertilizer for various crops and can be applied to base fertilizer, topdressing, seed fertilizer and foliar fertilizer.