Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can contain numerous grams of zinc for each kilogram of dry soil. Levels of zinc in extra of 500 ppm in soil interfere with the power of crops to absorb other vital metals, for instance iron and manganese. https://zinc-sulfide00986.bloginwi.com/60407697/the-infrared-zinc-sulfide-diaries