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Master Thesis

Impact d’un enherbement sur la vigne en situation de forte pente

Abstract : The weed control is a real issue in steeply sloping vineyards, which you can find in appelation of Condrieu or Côte-Rôtie. Domaine Pierre-Jean Villa is one of this domaine which work in steeply sloping vineyards and, moreover, convert progressively his vineyard to organic production. In addition to converting the vineyard, it is necessary to find a solution to the future restriction on glyphosate use. In this way, domaine Pierre-Jean Villa uses less chemical weeding and more mechanical weeding. Unfortunately, it is only possible in flat part of the vineyard. Yet, until two years, the wine estate uses cover crops on some vineyard area that is permanent. This work is aiming to show the effects of cover crops on the soil and on the vine depending on the kind of plant in order to adapt the choice on the kind of cover crops and the most effective specie of plant. During the season, several parameters are analysed: development of the cover crops, soil humidity, water status of vine, vine vigour, nitrogen nutrition… Sedum seems to be the most effective plant, with similar results to those of the control vine. Thyme and Hieracium pilosella are two plants that will lead to a competition with vine for water and nitrogen. Yet, sedum is not the final choice because it should not bear trampling and it is slippery.
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Master Thesis
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Submitted on : Monday, October 26, 2020 - 10:15:00 AM
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  • HAL Id : dumas-02971177, version 1

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Camille Froger. Impact d’un enherbement sur la vigne en situation de forte pente. Agronomie. 2019. ⟨dumas-02971177⟩

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