Grass weeds are difficult to control by hand weeding in a broadcast wheat crop because several species are not easily distinguished from the crop at an early stage. Chemical weed control, on the other hand, can be highly ...

This paper presents an overview of issues related to the current status of wheat research, production and consumption in eleven countries of Eastern, Central and Southern Africa. It also illustrates national trends since ...

This report of the adoption of maize production technologies in the Southern highlands of Tanzania forms part of a larger study to evaluate the impact of maize research and extension throughout Tanzania over the past 20 ...

The witchweed Striga decimates maize, millet, sorghum, upland rice and Napier throughout sub-Sahara Africa. From the high plateau of East Africa where peasant farmers struggle to survive on tiny fields of maize, to the ...