Catuchi, T.A. et al. 2012. Physiological responses of soybean cultivars to potassium fertilization under different water regimes. Pesquisa Agropecuaria Brasileira. 47, 4 (May 2012), 519–527. DOI:https://doi.org/10.1590/S1678-3921.pab2012.v47.11924.