This document presents the proceedings of the international conference held at the United Nations Economic Commission for Africa, Addis Ababa, Ethiopia, April 24-26, 2002.
Across Africa buying and selling connects people. For a small-scale farmer, this trade takes place primarily within a limited geographic area based on access to market centers of a given size.
Agroecological zones (AEZs) are geographical areas exhibiting similar climatic conditions that determine their ability to support rainfed agriculture.
How does information about a suspected outbreak of avian influenza on the farm level reach the respective authorities?
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