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Article
Potential technology and research needs for rainfed maize production in drought prone environments of Southern Africa
(CIMMYT, 1989)
In southern Africa, semi-arid areas (here simply defined as areas with less than 700 mm but more than 350 mm of rainfall per annum) can be found from around 100 m to over 1,400 m above sea level. The semi-arid areas most ...
Article
Targeting recommendations for small farmers: the role of economic factors in Zimbabwe and Swaziland
(CIMMYT, 1989)
Natural conditions and major resource differences such as farm size are commonly used in on-farm research to define homogeneous 'recommendation domains' within which new technologies are tested. Successful trial results ...