Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can incorporate various grams of zinc per kilogram of dry soil. Levels of zinc in extra of five hundred ppm in soil interfere with the ability of plants to absorb other vital metals, such as iron and manganese. https://zincsulfide69135.bloginder.com/27360941/a-review-of-infrared-zinc-sulfide