Global food security; Global changes; Global physical and biological changes; Factors determining public sector research resource allocation; Challenges for agr
Knowledge of Africa’s complex farming systems, set in their socio-economic and environmental context, is an essential ingredient to developing effective strat
Priority assessment for commodity improvement programmes has received methodological attention, yet innovation is needed for other, newer areas of research whic
Agricultural research and development have profoundly increased the quantity and quality of food production in the twentieth century. As populations increase, h