Santos, Glenio Guimarães, Robélio Leandro Marchão, Euzebio Medrado, Pedro Marques da Silveira, and Thierry Becquer. 2011. “Soil Physical Quality in Integrated crop‑livestock Systems”. Pesquisa Agropecuaria Brasileira 46 (10):1339-48. https://doi.org/10.1590/S1678-3921.pab2011.v46.8525.