NOT KNOWN FACTUAL STATEMENTS ABOUT INFRARED ZINC SULFIDE

Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can consist of several grams of zinc per kilogram of dry soil. Levels of zinc in excess of 500 ppm in soil interfere with the ability of vegetation to soak up other critical metals, such as iron and manganese.The radioactive 35S is fashioned in cosmic ray s