Hensley, M., P. A. le Roux, J. J. Botha, and L. D. van Rensburg. “The Role of Water Conservation Strategies and Benchmark Ecotopes for Increasing Yields in South Africa’s Semi-Arid Croplands”. Water SA, vol. 45, no. 3 July, July 2019, doi:10.17159/wsa/2019.v45.i3.6736.