Proceedings of the Symposium and Workshop on Water Conservation Technologies for Sustainable Dryland Agriculture in Sub-Saharan Africa (WCT), held at Bloem Spa Lodge and Conference Centre, Bloemfontein, South Africa, 8-11 April 2003 - Beukes, D.; Villiers, M. de; Mkhize, S.; Sally, Hilmy; Rensburg, L.D. van (ARC-Institute for Soil, Climate and Water, 2003)