Sousa, R.S. de, Nunes, L.A.P.L., Lima, A.B. de, Melo, W.J. de, Antunes, J.E.L. e Araujo, A.S.F. de 2018. <b&gt;Chromium accumulation in maize and cowpea after successive applications of composted tannery sludge. Acta Scientiarum. Agronomy. 40, 1 (mar. 2018), e35361. DOI:https://doi.org/10.4025/actasciagron.v40i1.35361.