International Water Management Institute P.O. Box 5689, C/o ILRI, Addis Ababa, Ethiopia; *Corresponding Author:
International Water Management Institute, Addis Ababa, Ethiopia
International Water Management Institute, Addis Ababa, Ethiopia
Copyright © 2011 Teklu Erkossa, Seleshi Bekele Awulachew, Denekew Aster et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
Erkossa, T. , Awulachew, S. and Aster, D. (2011) Soil fertility effect on water productivity of maize in the upper blue nile basin, Ethiopia.
Agricultural Sciences,
2, 238-247. doi:
10.4236/as.2011.23032.