Publication: Journal of Metallurgy and Materials Science, Vol. 44, No. 3, July-Septmber 2002, pp. 161-165

Author(s): Dr Goutam Bhattacharyya

Heavy metal pollution of agricultural fields is caused by several factors. The most notables among them are indiscriminate mining, application of sewage sludge, pesticides and inorganic manure, dumping of inorganic wastes like fly ash and blast furnace slag, contaminated irrigation water, seasonal runoffs...