Corrêa, J.C. 2014. Effects of tillage methods on physical properties of a clayey yellow Latosol in the state of Amazonas. Pesquisa Agropecuaria Brasileira. 20, 11 (Apr. 2014), 1317–1322. DOI:https://doi.org/10.1590/S1678-3921.pab1985.v20.16363.