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Experiments to modify grape juice potassium content and wine quality on granite derived soils near Paardenberg
(Stellenbosch : University of Stellenbosch, 2006-12)
High potassium content in grape juice and wine are associated with low quality red wine in warm wine producing countries. In an attempt to reduce the potassium content of juice, must and wine, a field experiment was laid ...
Exploiting soil and terrain heterogeneity : an investigation into vigour and physiology of grapevines on and off "heuweltjies‟ in the Western Cape, South Africa
(Stellenbosch : University of Stellenbosch, 2011-03)
ENGLISH ABSTRACT: The topic of landscape heterogeneity has captured the imagination of ecologists and agriculturists alike and has been extensively investigated in this dissertation. Heuweltjies are landscape features ...