Quantifying water productivity in rainfed cropping systems in Limpopo province South Africa

Dimes, J. and Toit, P. du. 2009. Quantifying water productivity in rainfed cropping systems in Limpopo province, South Africa. 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.