@INPROCEEDINGS {OIKEH:1997c, title = {Yield and N-use efficiency of five tropical maize genotypes under different N levels in the moist savanna of Nigeria}, author = {Oikeh, S. and Kling, J. and Horst, W. J. and Chude, V. *}, editor = {Ransom, J. K. and Palmer, A. and Zambezi, B. T. and Mduruma, Z. O. and Waddington, S. and Pixley, K. and Jewell, D. C. }, booktitle = {Maize productivity gains through research and technology dissemination: proceedings, 5th Eastern and Southern Africa Regional Maize Conference, 3-7 June 1996, Arusha, Tanzania}, year = {1997}, publisher = {CIMMYT}, address = {Addis Ababa, Ethiopia}, }