A. de O. Ferreira, J. C. de M. Sá, C. Briedis, and A. G. de Figueiredo, “Corn genotype performance under black oat crop residues and nitrogen fertilization”, PAB, vol. 44, no. 2, pp. 173–179, Nov. 2010, doi: 10.1590/S1678-3921.pab2009.v44.688.