Ribon, A.A., Centurion, J.F., Centurion, M.A.P. da C. and Pereira, G.T. 2008. <b>Density and resistance to the penetration of rubber-tree cultivated soil under different managements</b&gt; - DOI: 10.4025/actasciagron.v25i1.2147. Acta Scientiarum. Agronomy. 25, 1 (Apr. 2008), 13-17. DOI:https://doi.org/10.4025/actasciagron.v25i1.2147.