@ARTICLE {ABE:2013, title = {Genetic variation for nitrogen-use efficiency among selected tropical maize hybrids differing in grain yield potential}, author = {Abe, A. * and Menkir, A. and Moose, S. and Adetimirin, V. * and Olaniyan, A. *}, journal = {Journal of Crop Improvement}, year = {2013}, volume = {27}, number = {1}, pages = {31--52}, issn = {1542-7528}, doi = {10.1080/15427528.2012.721483}, }