... proof place. 3)Application 1. Used as organic potash fertilizer. Using potassium humate solution to spray, seed soak, dip root or ... fertilizer. 3. As main component for organic inorganic liquid fertilizer. Using this kind of Liquid fertilizer, can improve crop absorbing utilization ... crop, and enhance anti-disease ability of crop, reduce using of pesticide; It also can modify soil physical and chemical ...