@INPROCEEDINGS {SINGH:1998a, title = {Increasing productivity of millet–cowpea intercropping systems}, author = {Singh, B. and Emechebe, A. }, editor = {Emechebe, A. and Ikwelle, M. C. and Ajayi, O. and Aminu Kano, M. and Anaso, A. B. }, booktitle = {Pearl millet in Nigerian agriculture: production, utilization and research priorities: proceedings of the pre-season planning meeting for the nationally coordinated research programme for pearl millet, Maiduguri, Nigeria, 21–24 April 1997}, year = {1998}, pages = {68--75}, publisher = {Lake Chad Research Institute}, address = {Maiduguri, Nigeria}, }