The leaching of nitrates and the metals K, Ca, Mg, Cd, Cu, Cr, Ni, Pb and Zn were evaluated in an experiment using biosolids amended soils. The experiment was arranged in a completely randomized block design with four treatments: Typic Hapludox with and without biosolids (LA and LA + sludge) and Rhodic Hapludox with and without biosolids (LV and LV + sludge) and four replications. Biosolids were applied to soils every two months in an average rate corresponding to 78 […]