@ARTICLE {BADUAPRAKU:2017a, title = {Improvement in grain yield and low-nitrogen tolerance in maize cultivars of three eras}, author = {Badu-Apraku, B. and Fakorede, M. * and Annor, B. * and Talabi, A. O. }, journal = {Experimental Agriculture}, year = {2017}, pages = {1--19}, issn = {0014-4797}, note = {WAHub; CRP Maize; Maize; Published online 31 July 2017}, url = {https://doi.org/10.1017/S0014479717000394}, doi = {10.1017/s0014479717000394}, }