Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can consist of various grams of zinc for every kilogram of dry soil. Levels of zinc in extra of 500 ppm in soil interfere with the flexibility of plants to absorb other critical metals, for example iron and https://infraredzincsulfide28271.dreamyblogs.com/27182194/zinc-sulfide-an-overview