Terroir 2012 banner
IVES 9 IVES Conference Series 9 Soil electrical resistivity measurement: from terroir characterization to within-field crop inputs management

Soil electrical resistivity measurement: from terroir characterization to within-field crop inputs management

Abstract

Soil Electrical Resistivity measurement is a zoning tool used by soil scientists and agronomists in viticulture. Indeed, the measure enables to optimize pedological surveys (position and number of soil sampling) to obtain a very precise final soil map. Since 2007, Tutiac Winegrowers (Vignerons de Tutiac, Bordeaux) have decided to map all their vineyards (over 4000 hectares) with this technology. Maps are used by the Winery to provide advices more suited to the terroir: grass cover, fertilization, replanting (grape variety/rootstock), grape selection and to define the potentiality of each plot regarding market expectations. However, because of logistic reasons, the Tutiac Winery is not able to use the very high-resolution of the maps for within-field valorization (selective harvest). But, intra-block information of resistivity maps, crossed with complementary measures, can be used in a different way, in particular to cut down use of phytosanitary treatment. This paper presents the GIPI project which plans to vary the rate of crop inputs inside the field. Agronomic (input data, abacus) and technological aspects (software, direct injection sprayer) will be described through an example of a vineyard (25 hectares) where many measurements (resistivity, pedology, NDVI…) have been carried out.

DOI:

Publication date: October 1, 2020

Issue: Terroir 2012

Type: Article

Authors

Xavier CASSASSOLLES (1), Jérôme OSSAR (2), Julien-Mathieu MARCISET (2), Michel DABAS (1)

(1) GEOCARTA, 5 rue de la Banque 75002 Paris – France
(2) VIGNERONS DE TUTIAC – La Cafourche 33860 Marcillac – France

Contact the author

Keywords

soil electrical resistivity, terroir, vigour, precision viticulture, direct injection, crop inputs

Tags

IVES Conference Series | Terroir 2012

Citation

Related articles…

Foldable lyre as an alternative to improve yield and oenological potential of grapes for a sustainable viticulture

Actually, many countries around the world are studying different strategies for adapting winegrowing regions to climate changes, focusing on a sustainable viticulture.

Influence of the vineyard’s surrounding vegetation on the phenolic potential of Vitis vinifera L. cv Tempranillo grapes

Wine industry has to develop new strategies to reduce the negative impact of global climate change in wine quality while trying to mitigate its own contribution to this climate change. The term “ecosystem services”, whose use has been recently increasing, refers to the benefits that human beings can obtain from the interactions between the different living beings that coexist in an environment or system. The management of biodiversity in the vineyard has a positive impact on this crop. It has recently been reported that practices such as plant cover can reduce the occurrence of pests, increase pollination of the vine, improve plant performance1 and affect the phenolic content of grapes.2

Effect of pre-fermentative addition of oenological tannins on the volatile composition and colour characteristics of white wines

This study investigates the effect of pre-fermentative addition of oenological tannins on basic physicochemical parameters, total polyphenols index (TPI), antioxidant activity (DPPH method), colour traits, and volatile organic compounds (VOCs) of white wines made from ‘Vermentino’ or ‘Erbaluce’ grapes (Vitis vinifera).

MicrobiomeSupport: Towards coordinated microbiome R&I activities in the food system to support (EU and) international bioeconomy goals

Microbiomes have crucial roles in maintaining life on Earth, and their functions drive human, animal, plant and environmental health. The microbiome research landscape is developing rapidly and is performed in many different science fields using similar concepts but mostly one (eco)system at-a-time. Thus, we are only starting to unravel and understand the interconnectedness of microbiomes across the (eco)systems.

Application of new genomic technologies to improve the pathogen resistance of two local cultivars from Veneto region: Corvina and Garganega

Grapevine (Vitis spp.) is a globally significant fruit crop and enhancing its agronomic and oenological traits is crucial to meet changing agricultural conditions and consumer demands.