R.N. Misangu, A. Azmio, S.O. W.M. Reuben, P. M. Kusolwa and L.S. Mulungu
Journal of Agronomy 6 ( 2 ): 317 - 323 , 2007
T. J. Msogoya, A. P. Maerere, P. M. Kusolwa and L. T. Nsemwa
Journal of Agronomy 5 ( 3 ): 533 - 535 , 2006