Fourie, J.C., P.J.E. Louw, and G.A. Agenbag. “Cover Crop Management in a Sauvignon Blanc/Ramsey Vineyard in the Semi-Arid Olifants River Valley, South Africa. 2. Effect of Different Cover Crops and Cover Crop Management Practices on Grapevine Performance”. South African Journal of Enology and Viticulture 28, no. 2 (December 13, 2016): 81–91. Accessed February 28, 2026. https://www.journals.ac.za/sajev/article/view/1463.