A review of past crop protection research in the Southern Highlands of Tanzania and prospects for the future
Nsemwa, L.T.H /

The Southern Highlands of Tanzania offer favourable climatic conditions, which permit the production of a wide range of crops, making this zone one of the most reliable in terms of food and cash crop production. However, this environment also favours the survival of numerous pests and pathogens which reduce the quantity and quality of crop yields, in addition to increasing production costs off hose crops which cannot be produced economically without the use of expensive chemicals. Significant