@ARTICLE {BADUAPRAKU:2017, title = {Yield gains in extra-early maize cultivars of three breeding eras under multiple environments}, author = {Badu-Apraku, B. and Yallou, C. * and Obeng-Antwi, K. * and Alidu, H. * and Talabi, A. O. and Annor, B. * and Oyekunle, M. * and Akaogu, I. C. and Aderounmu, M. }, journal = {Agronomy Journal}, year = {2017}, volume = {109}, pages = {1--14}, issn = {0002-1962}, note = {WAHub; CRP Maize; Maize; Published February 9, 2017}, doi = {10.2134/agronj2016.10.0566}, }