(1)
e Silva, P. S. L.; do Rego, M. C.; Bezerra, N. F.; de Freitas, C. J. Effects of Weed Control and Nitrogen Levels on Protein Content of Corn Grains. PAB 1993, 28 (5), 609-612. https://doi.org/10.1590/S1678-3921.pab1993.v28.3916.