International Journal of Agricultural Research 2 ( 4 ): 377 - 384 , 2007
International Journal of Agricultural Research 2 ( 5 ): 489 - 494 , 2007
International Journal of Agricultural Research 2 ( 6 ): 552 - 558 , 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
International Journal of Soil Science 2 ( 2 ): 128 - 134 , 2007
E. U. Onweremadu and M. A.N. Anikwe
International Journal of Soil Science 2 ( 3 ): 211 - 217 , 2007
International Journal of Soil Science 2 ( 3 ): 204 - 210 , 2007
International Journal of Soil Science 2 ( 3 ): 182 - 189 , 2007
C. N. Mbah, M. A.N. Anikwe, E. U. Onweremadu and J. S.C. Mbagwu
International Journal of Soil Science 2 ( 4 ): 268 - 277 , 2007
E. U. Onweremadu and M. A.N. Anikwe
International Journal of Soil Science 2 ( 4 ): 286 - 293 , 2007
C. C. Opara, E. U. Onweremadu and I. I. Ibeawuchi
International Journal of Soil Science 2 ( 4 ): 258 - 267 , 2007
C. I. Duruigbo, J. C. Obiefuna and E. U. Onweremadu
International Journal of Soil Science 2 ( 2 ): 154 - 158 , 2007
Journal of Plant Sciences 2 ( 5 ): 564 - 569 , 2007
Journal of Plant Sciences 2 ( 6 ): 625 - 629 , 2007
E. U. Onweremadu, E. T. Eshett, M. C. Ofoh, M. I. Nwufo and J. C. Obiefuna
Journal of Plant Sciences 3 ( 1 ): 43 - 51 , 2008
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