Climate change impact on crop productivity in the semi-arid tropics of Zimbabwe in the 21st century

Dimes, J., Cooper, P. and Rao, K.P.C. 2009. Climate change impact on crop productivity in the semi-arid tropics of Zimbabwe in the 21st century. IN: Humphreys, E. et al. 2009. Proceedings of the Workshop on Increasing the Productivity and Sustainability of Rainfed Cropping Systems of Poor, Smallholder Farmers, Tamale, Ghana, 22?25 September 2008. Colombo, Sri Lanka: CGIAR Challenge Program on Water and Food.