@INPROCEEDINGS {KAMARA:2007b, title = {Cultivar and insecticide spraying regimes effects on insect pests and grain yield of cowpea in the dry savannas of north-eastern Nigeria}, author = {Kamara, A. and Chikoye, D. and Omoigui, L. and Dugje, I. *}, booktitle = {African Crop Science Conference Proceedings}, year = {2007}, volume = {8}, pages = {179--184}, publisher = {African Crop Science Society}, }