[1]
Prado, R. de M. et al. 2002. Resistance to penetration and density of a soil submitted to different systems of tillage and cultivations. Pesquisa Agropecuaria Brasileira. 37, 12 (Dec. 2002), 1795–1801. DOI:https://doi.org/10.1590/S1678-3921.pab2002.v37.6533.