@INPROCEEDINGS {MANYONG:2003f, title = {Resource use efficiency among smallholders in southwestern Nigeria}, author = {Manyong, V. and Bamire, A. S. * and Zuckerman, P. }, booktitle = {Paper presented at: 6th Biennial Conference of the African Crop Science Society; 12-17 October}, year = {2003}, location = {Narobi, kenya}, }