Conradie, W. J. “Nutrient Consumption by Chenin Blanc Grown in Sand Culture and Seasonal Changes in the Chemical Composition of Leaf Blades and Petioles”. South African Journal of Enology and Viticulture 2, no. 1 (May 12, 2017): 15–18. Accessed February 20, 2026. https://www.journals.ac.za/sajev/article/view/2404.