Nobre, R.G. et al. 2012. Oil content and yield of castor bean as affected by nitrogen fertilization and saline water irrigation. Pesquisa Agropecuaria Brasileira. 47, 7 (Aug. 2012), 993–1001. DOI:https://doi.org/10.1590/S1678-3921.pab2012.v47.12079.