Saayman, D., and L. Van Huyssteen. “Soil Preparation Studies: I. The Effect of Depth and Method of Soil Preparation and of Organic Material on the Performance of Vi Tis Vinifera (var. Chenin Blanc) on Hutton Sterkspruit Soil”. South African Journal of Enology and Viticulture 1, no. 2 (May 15, 2017): 107–121. Accessed June 13, 2026. https://ngtt.journals.ac.za/index.php/sajev/article/view/2419.