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Demands for food and fiber are increasing at a faster rate than supply in the medium and high altitude zones of Eastern Africa, while the productivity of the land is apparently declining. In many cases, productivity is constrained primarily by insufficient nutrient supply. To meet future demands ...
This paper addresses considerations for agricultural technology evaluation at various levels. At the research level, considerations include the information need, the resources required to conduct the research and the probability of research success. At the field-level, agronomic feasibility and t...
Adoption and impact studies have been designed to determine the returns to resources invested in research. They are important as a tool for focusing R&D activities and as a mechanism for ex ante and ex post feedback. The document is divided into four parts: the first reviews recent adoption and i...
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