Marques, J.B.B. and Lin, S.S. 2014. Soybean yield in different plant populations, spacings, and irrigation periods. Pesquisa Agropecuaria Brasileira. 18, 10 (Apr. 2014), 1089–1097. DOI:https://doi.org/10.1590/S1678-3921.pab1983.v18.15431.