Soratto, R. P.; de Souza-Schlick, G. D.; San Giacomo, B. M.; Zanotto, M. D.; Fernandes, A. M. Low‑height Castor Bean Row Spacing and Plant Population for Mechanical Harvest. PAB 2011, 46 (3), 245-253. https://doi.org/10.1590/S1678-3921.pab2011.v46.9457.