Rodney Lunduka|Kumbirai Ivyne Mateva|Cosmos Magorokosho|Pepukai Manjeru
Impact of adoption of drought-tolerant maize varieties on total maize production in south Eastern Zimbabwe
International Crops Research Institute for the Semi-Arid Tropics|Midlands State University
drought huge limiting factor maize production mainly rainfed agriculture subsaharan africa response threat droughttolerant dt maize varieties developed aim ensure maize production mild drought conditions conducted study assess impact smallholder farmers adoption dt maize varieties total maize production data study came survey 200 randomly sampled households two districts chiredzi chipinge southeastern zimbabwe study found 93 households growing improved maize varieties 30 sampled households growing dt maize varieties total maize yield 4365 kgha household grow dt maize varieties 6805 kgha households grew dt maize varieties control endogeneity dt adoption variable using control function approach estimate total maize production cobbdouglas model results show households grew dt maize varieties 617 kgha maize households grow dt maize varieties given almost farmers buy seeds market change varieties dt maize seeds gives extra income us240ha nine months food additional cost huge implications curbing food insecurity simultaneously saving huge amounts resources household national levels used buy extra food lean season