Van Zyl, J. L., Oenological and Viticultural Research Institute, Stellenbosch, South Africa

• South African Journal of Enology and Viticulture Vol. 2 No. 2 (1981) - Articles
  The Effect of Various Supplementary Irrigation Treatments on Plant and Soil Moisture Relationships in a Vineyard (Vitis Vinif era var. Chenin Blanc)
  Abstract  PDF
• South African Journal of Enology and Viticulture Vol. 1 No. 1 (1980) - Articles
  Comparative Studies on Wine Grapes on Different Trellising Systems: I. Consumptive Water Use
  Abstract  PDF
• South African Journal of Enology and Viticulture Vol. 1 No. 1 (1980) - Articles
  Comparative Studies on Wine Grapes on Different Trellising Systems: II. Micro-climatic Studies, Grape Composition and Wine Quality
  Abstract  PDF