Zinc sulfate is used to supply zinc in animal feeds, fertilizers, and agricultural sprays. It is used as in electrolytes for zinc plating, as a mordant in dyeing, as a preservative for skins. In leather and in medicine as an astringent and emetic. Zinc Sulphate Heptahydrate is also used as laboratory reagent.
The main application of Zinc Sulphate Heptahydrate is as a coagulant in the production of rayon. It is also a precursor to the pigment lithopone. Zinc sulfate is used to supply zinc in animal feeds, fertilizers, and agricultural sprays
Apply the fertilizer to the vegetable plants by pouring the solution around the base of each plant. Follow the manufacturer's directions and recommendations according to the test kit for the exact amount of solution per plant. In field production, zinc sulfate is applied at a rate of 1 pound for every five acres.