HELPING THE OTHERS REALIZE THE ADVANTAGES OF ZINC SULFIDE

Soils contaminated with zinc from mining, refining, or fertilizing with zinc-bearing sludge can consist of a number of grams of zinc for each kilogram of dry soil. Amounts of zinc in surplus of 500 ppm in soil interfere with the flexibility of plants to absorb other necessary metals, for instance iron and manganese.This explains that sulfur is pro