Preferences and constraints of maize farmers in the development and adoption of improved varieties in the mid-altitude, sub-humid agro-ecology of Western Ethiopia
W. Abera1, S. Hussein1*, J. Derera1, M. Worku2 and M. D. Laing1
1African Centre for Crop Improvement, University of KwaZulu-Natal, Private Bag X01, Scottsville 3209, Pietermaritzburg, South Africa.
2CIMMYT Kenya ICRAF House, P. O. Box 1041, Nairobi Kenya.
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