The ultimate interest of investors in agricultural research and development (R&D) is the extent to which their investment eventually bears a positive outcome on the lives of the poor and hungry people of developing nations without seriously harming the natural resource base. Consequently, most...

Agricultural research in Tanzania began in 1923 on sorghum and cotton. Since then, the number of research stations and institutions involved in agricultural research has increased. However, there are very few evaluations of the performance of agricultural research. This study uses the production...

Cassava plays a major role in both household and national food security in Uganda. However, cassava production in Uganda has been threatened by cassava mosaic disease. The government has made concerted efforts to evaluate, multiply and distribute new cassava planting materials in most districts....

This study assesses the economic impact of livestock production research and development (R&D) programmes in South Africa from 1970 to 1996. The objectives of the analysis are to estimate the costs and returns to investments in livestock improvement schemes. The net present values (NPVs) and...