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There is intense debate about the role of genetically modified (GM) food crops in combatting low yields and food insecurity amongst smallholders in Africa. Bt maize is still the only commercialised GM food crop in Africa and thus provides an unique opportunity for an empirical evaluation on this matter. South Africa is the only country in Africa where farmers grow Bt maize. South African smallholders have been introduced to Bt maize through a number of private enterprise interventions and government programmes since 2001. Scientific publications on the effects of Bt maize on South African smallholders, from socioeconomic and ecological perspectives, are now starting to accumulate.

Is Bt maize effective in improving South African smallholder agriculture?