Effect of Sowing Distances on Edible Pod Yields and Yield Components of Three Vegetable Cowpea Cultivars (Vigna unguiculata L. Walp.) Sesquipedalis Subspecies, Grown in Northeast Thailand

Sinsiri Wantana, N. Sinsiri, M. Silapanont and S. Seedasod

Pakistan Journal of Biological Sciences 10 ( 22 ): 4069 - 4074 , 2007