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Master Thesis

Les outils d’aide à la décision, un levier d’action majeur pour réduire l’impact environnemental des intrants phytosanitaires au sein de la Maison Lavau-Maucoil

Abstract : The awareness of the population and politics but also the necessity of an ecological transition of our economy leads us every day to think about a new way of production. Agriculture is one of the main business sectors to be in transition which is tending to be more respectful of the environment and humans while saving economic profitability. In this sense, France is working on reducing the use of phytosanitary inputs since 2008, through the Ecophyto plan. The ambitious objectives of this plan were in 2015, revised downwards with a goal of a 25% decrease of the phytosanitary inputs use in 2020, to a 50% one in 2025. The Maison Lavau-Maucoil, a society principally based on the trade and the vinification of the Southern Rhone valley wines, is producing since 2009, its own grape on a 200 ha vineyard distributed all over the Vaucluse department. Since 2017, some experimentations are leaded on the domain, in order to reduce the phytosanitary inputs and in particular with the help of the Optidose program. This smart, helping decisions taking tool, developed by the Institut Français de la Vigne et du Vin, aims to reduce treatment doses using different factors like disease pressure and sensitivity of the vine. This thesis has for objective, the continuation of the studies on the program efficiency and its impact on the decrease of the phytosanitary inputs as well as ensuring the spray is based on the good parameters which permit the maximal efficiency. Finally, and more largely, it is the cultivation system of exploitations durability that will be evaluated with the multicriteria analysis tool so called DEXI PM viti. Thus, thanks to the inventory of practices, it will be possible to find the prioritized points to improve, in order to develop a durable agriculture on the Lavau-Maucoil vineyard.
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Master Thesis
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Submitted on : Tuesday, June 8, 2021 - 3:20:16 PM
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  • HAL Id : dumas-03253988, version 1

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Vincent Delay. Les outils d’aide à la décision, un levier d’action majeur pour réduire l’impact environnemental des intrants phytosanitaires au sein de la Maison Lavau-Maucoil. Agronomie. 2020. ⟨dumas-03253988⟩

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