Die invloed van spesifieke grond en klimaats parameters op wingerdprestasie, wynkwaliteit en -karakter

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dc.contributor.advisorHoffman, J. E.
dc.contributor.advisorFey, M. V.
dc.contributor.authorRoux, F. A.en_ZA
dc.contributor.otherUniversity of Stellenbosch. Faculty of Agrisciences. Dept. of Soil Science.
dc.date.accessioned2008-08-12T09:47:38Zen_ZA
dc.date.accessioned2010-06-01T08:26:41Z
dc.date.available2008-08-12T09:47:38Zen_ZA
dc.date.available2010-06-01T08:26:41Z
dc.date.issued2005-03en_ZA
dc.descriptionThesis (MScAgric (Soil Science))--University of Stellenbosch, 2005.
dc.description.abstractThis thesis forms part of a research program that is investigated by ARC Infruitec- Nietvoorbij and the University of Stellenbosch. The aim of this program is to quantify the effect of soil and climate on wine quality and character as a basis for scientific demarcation of production regions. Natural factors are first quantified and characterised so that relative homogeneous natural terroir units (NTU) can be identified. Thereafter wines made from these different localities are assessed for similarities which permit grouping of localities into viticultural terroirs. The present study involved seven research plots in the Robertson district, making use of initial measurements by ARC Infruitec-Nietvoorbij in the 2000/01 and 2001/02 seasons together with more intensive measurements in the 2002/03 and 2003/04. The seven plots are located in two wards, Le Chasseur and Vinkrivier. Sauvignon blanc plots were marked at two localities, each with two sub-plots occurring in one block. Three Cabernet Sauvignon plots were marked out. Two plots occurred in one block in Le Chasseur and one plot in Vinkrivier. Plots within the same block were located on different soil types so that the effect of soil type on wine quality and character could be monitored. Morphological examination of soil profiles at each plot was carried out together with physical and chemical analysis of samples taken at 30cm depth intervals. Soil water content was measured at regular intervals to assess soil water tension. Vineyard performance was assessed in terms of phenology, root system studies, leafwaterpotential measurements, canopy quality assessment, leaf analysis, shoot growth, and data relating to ripening, harvest and pruning. Wines were made from each plot by ARC Infruitec- Nietvoorbij and evaluated by a tasting panel after six months and then again after eighteen months. Meteorological data were collected in each ward.en_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/1525
dc.language.isoAfrikaansen_ZA
dc.publisherStellenbosch : University of Stellenbosch
dc.rights.holderUniversity of Stellenbosch
dc.subjectDissertations -- Soil scienceen
dc.subjectTheses -- Soil scienceen
dc.subjectVineyards -- South Africa -- Western Capeen
dc.subjectGrapes -- Soils -- South Africa -- Western Capeen
dc.subjectGrapes -- Climatic factors -- South Africa -- Western Capeen
dc.subjectWine and wine making -- South Africa -- Western Capeen
dc.subjectViticulture -- South Africa -- Western Capeen
dc.subjectCrops and soilsen
dc.titleDie invloed van spesifieke grond en klimaats parameters op wingerdprestasie, wynkwaliteit en -karakteraf
dc.typeThesisen_ZA
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