Van Zyl, J.L. and van Huyssteen, L. 2017. Comparative Studies on Wine Grapes on Different Trellising Systems: II. Micro-climatic Studies, Grape Composition and Wine Quality. South African Journal of Enology and Viticulture. 1, 1 (May 2017), 15–25. DOI:https://doi.org/10.21548/1-1-2410.