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El documento esta orientado a divulgar en un lenguaje sencillo, aplicando solo elementos basicos del algebra lineal, el metodo de analisis de componentes principales, cuyo conocimiento es de gran utilidad como herramienta analitica para los investigadores que trabajan en la problematica del desar...
Examines the role of baseline surveys and of farmers in farming systems research and in technology design, using the experience of ILCA's Humid Zone Programme; also examines the potential of farming systems research teams working in specific locations to provide guidelines for the development of ...
This paper undertakes an ex ante economic analysis of research on how resistance to trypanosomosis - a dominant livestock disease in Africa - can be maintained and enhanced while retaining and reinforcing characteristics of economic importance to farmers, and on how 'trypanotolerance' can be impa...
Animal traction in Ethiopia has been used since the third millennium B.C. Its use is confined to land preparation and seed covering using the traditional implement 'maresha' pulled mainly by a pair of oxen under a ridged neck yoke. Even though research to replace the 'maresha' and the multi-purpo...
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