Lange, A., Martines, A. M., Silva, M. A. C. da, Sorreano, M. C. M., Cabral, C. P., & Malavolta, E. (2005). Micronutrient deficiency effect on the nutritional status of the castor bean cultivar Iris. Pesquisa Agropecuaria Brasileira, 40(1), 61–67. https://doi.org/10.1590/S1678-3921.pab2005.v40.6922