This paper describes and analyzes some of the impacts of wheat improvement research in seven countries in the Eastern and Southern regions of Africa. the countries South Africa, Ethiopia, Sudan, Kenya, Zimbabwe, Tanzania, ...

Soil infertility is a major constraint to food production in the communal areas of Zimbabwe. Smalholders in the region recognize the problems of low soil fertility and have devised ways of coping with them. This study ...

In sub-Saharan Africa, greater use of mineral fertilizers is crucial to increasing food production and slowing the rate of environmental degradation. Regional growth rates in fertilizer consumption have never been particularly ...