Zinc Sulfate Monohydrate Uses In agriculture, zinc sulfate monohydrate is used as feed and compound fertilizer, as zinc supplement and control fruit tree pests and diseases, can be mixed with a variety of fungicides, micro fertilizer, no residue, significantly synergistic effectï¼? In industrial production, it can be used to manufacture Lithopone powder, zinc salt, artificial fiber, Vinylon fiber as raw materialsï¼? Used as a mordant in the printing and dyeing industry; Used as wood and leather preservatives; Used as wood and leather preservatives; Used as mineral preparation for non-ferrous metals.