Conference name, dates, place

International Conference on Development Studies in Ethiopia, July 11-12, 2003, Addis Ababa, Ethiopia

Document Type


Presentation Date



Over the next several decades, trends in population, income, and urbanization are projected to raise world demand for cereals, roots, and tubers by about 40%, and for meat by about 60% (Pinstrup-Andersen, Pandya-Lorch, and Rosegrant, 1999). Population and demand for agricultural products are projected to grow nearly twice as fast in sub- Saharan Africa, at 2-3% per year, as they are in the world as a whole (FAO, 2000). Given land constraints in some areas and environmental concerns about agricultural land expansion in others, most of the increased production necessary to meet this demand will have to come from increased productivity on land already in agricultural production. Increasing agricultural productivity is especially critical in sub-Saharan Africa, where food security has been a persistent concern.


This paper is drawn from previous studies reported in Wiebe et al. (2000) and Wiebe and Tegene (2000). The views expressed here are those of the authors, and may not be attributed to the Economic Research Service or the U.S. Department of Agriculture.