Fourie, J.C., P.J.E. Louw, and G.A. Agenbag. “Cover Crop Management in a Sauvignon blanc/Ramsey Vineyard in the Semiarid Olifants River Valley, South Africa. 1. Effect of Management Practices on Selected Grass and Broadleaf Species”. South African Journal of Enology and Viticulture 26, no. 2 (April 26, 2017): 131–139. Accessed February 28, 2026. https://www.journals.ac.za/sajev/article/view/2129.