Suzuki, L.E.A.S. et al. 2007. Relative compaction, physical properties and crop yield in Oxisol and Alfisol. Pesquisa Agropecuaria Brasileira. 42, 8 (Aug. 2007), 1159–1167. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7679.