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IVES 9 IVES Conference Series 9 International Terroir Conferences 9 Terroir 2006 9 Integrated approach in terroir studies (Terroir 2006) 9 Influence of edapho-climatic factors on grape quality in Conca de Barberà vineyards (Catalonia, Spain)

Influence of edapho-climatic factors on grape quality in Conca de Barberà vineyards (Catalonia, Spain)

Abstract

Soil and climate of 3 vineyards have been characterised in order to determine their influence on grape quality. These vineyards are located in Conca de Barberà (Catalonia, NE Spain) and belong to Cabernet sauvignon and Grenache noir cultivars. All 3 plots are very close, so only interannual climatic data of the nearest meteorological station have been considered. Different climatic indexes have been calculated from climatic data. The studied vineyard soils present very different textural classes and rock fragment contents, causing very distinct soil water regimes. Besides determining chemical and physical properties of soils, the soil water availability has been characterised using capacitance sensors at different depths for the period from 2003 to 2005. Data of quality of grapes were available. Statistical techniques, concretely Principal Component Analysis and Multiple Regression Analysis, have been used to relate edapho-climatic factors to grape quality. The results show that edapho-climatic data have a high power of estimation on grape quality (generally, R2 higher than 0.75). Climate appeared to be the most influencing factor, followed by water availability. Soil had also influence on grape yield and some must data.

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Publication date: December 22, 2021

Issue: Terroir 2006

Type: Article

Authors

Josep Miquel UBALDE (1), Xavier SORT (1), Rosa Maria POCH (2) and Miquel PORTA (1)

(1) Miguel Torres Winery, C/Miquel Torres i Carbó, 6, 08720 Vilafranca del Penedès, Espagne
(2) University of Lleida, Department of Environment and Soil Science, av. Rovira Roure 191, 25198 Lleida, Espagne

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Keywords

vineyard soil, Mediterranean climate, terroir, soil moisture, grape quality

Tags

IVES Conference Series | Terroir 2006

Citation

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