Effect of stage and intensity of defoliation on the performance of vegetable cowpea (Vigna unguiculata (L.) Walp)
U. Ibrahim1*, B. M. Auwalu2 and G. N. Udom3
1Crop Production Programme, Abubakar Tafawa Balewa University, Bauchi, Bauchi State, Nigeria.
2Agronomy Department of Agronomy, Bayero University Kano, Kano State, Nigeria.
3Department of Agronomy, University of Uyo, Uyo, Akwa Ibom State, Nigeria.
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