@INPROCEEDINGS {ALABI:2001, title = {Progress in breeding for low nitrogen stress in the northern Guinea savanna}, author = {Alabi, S. * and Kling, J. and Ado, S. and Iyobisere, E. and Ajala, S. and Showemimo, F. and Tarfa, B. *}, booktitle = {Abstracts opf the Fourth Biennial West and Central Africa Regional Maize Workshop, 14-18 May}, year = {2001}, pages = {17}, location = {Cotonou, Benin Republic}, }