C. C. Opara, E. U. Onweremadu and I. I. Ibeawuchi
International Journal of Soil Science 2 ( 4 ): 258 - 267 , 2007
E. U. Onweremadu, C. C. Opara, U. Nkwopara, C. I. Duruigbo and I. I. Ibeawuchi
International Journal of Soil Science 1 ( 3 ): 251 - 257 , 2006
I. I. Ibeawuchi, M. I. Nwufo, N. N. Oti, C. C. Opara and E. T. Eshett
Journal of Plant Sciences 2 ( 2 ): 222 - 227 , 2007
I. I. Ibeawuchi, J. C. Obiefuna, M. C. Ofoh, G. O. Ihejirika, C. T. Tom, E. U. Onweremadu and C. C. Opara
Pakistan Journal of Biological Sciences 8 ( 2 ): 215 - 219 , 2005
I. I. Ibeawuchi, C. T. Tom, M. C. Ofoh and C. C. Opara
Pakistan Journal of Biological Sciences 7 ( 6 ): 963 - 965 , 2004