To verify if the use of phosphate fertilizer and polluted irrigation water increased the levels of heavy metals in soil, samples of one Yellow Podzolic and two Yellow Latosol soils treated with phosphate fertilizers since 1968, and a Cambisol irrigated with water from the Paraíba do Sul River since 1978, cultivated with sugarcane in Campos dos Goytacazes, RJ, were analysed for total contents of Cd, Co, Cr, Cu, Mn, Ni, Pb and Zn. The results from the soils that received […]