Oliveira, Luiz Bezerra de, and Eliane Nogueira de Queiroz. 2014. “Moisture Tension Curves of Soils of Northeastern Brazil”. Pesquisa Agropecuaria Brasileira 10 (11): 69-75. https://doi.org/10.1590/S1678-3921.pab1975.v10.17127.