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IVES 9 IVES Conference Series 9 Vineyard soil mapping to optimise wine quality: from ‘terroir’ characterisation to vineyard management

Vineyard soil mapping to optimise wine quality: from ‘terroir’ characterisation to vineyard management

Abstract

In this study, a soil mapping methodology at subplot level (scale 1:5000) for vineyard soils was developed. The aim of this mapping method was to establish mapping units, which could be used as basic units for ‘terroir’ characterisation and vineyard management (precision viticulture). The developed methodology applied most of the criteria of the Soil Inventory of Catalonia and the Soil Survey Manual of the Department of Agriculture of United States, at very-detailed scale. The suitability of soil maps as a tool for definition of ‘terroir’ units and management units are discussed, according to our experiences. The method followed allowed good soil type discrimination at vineyard subplot level, differentiating zones with distinct soil properties important to vineyard development. However, the variability within the soil mapping unit could not be ascertained by this method. Significant differences in grape quality were found between distinct soil mapping units. Moreover, the application of variable rates of fertilizer at vine subplot level was possible using thematic maps calculated from soil maps, by means of Geographic Information Systems. 

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Publication date: December 8, 2021

Issue: Terroir 2008

Type: Article

Authors

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

(1) Dept. of Viticulture, Miguel Torres Winery, Miquel Torres i Carbó 6, 08720 Vilafranca del Penedès, Spain
(2) Dept. of Environment and Soil Science, University of Lleida, Rovira Roure 191, 25198 Lleida, Spain 

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Keywords

soil mapping, viticultural zoning, terroir unit, management unit, precision viticulture

Tags

IVES Conference Series | Terroir 2008

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