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Master Thesis

Réduire l'usage des herbicides aux Antilles : une analyse des modèles de décision de la gestion de l'herbe dans le croissant bananier Guadeloupéen

Abstract : Reducing the impact of pesticides on the environment in Guadeloupe is essential to protect human health . Herbicides are particularly concerned. The objective of this study was to identify levers to improve the effectiveness of efforts to support the adoption of herbicide use reduction practices. For this, the approach has been to identify the grass management decision models used, in connection with the adoption trajectories of farmers reduction practices, to identify these levers. The decision model in banana cultivation only, identified the determinants of decision making and so practical. Those of the order of working representation of the environment are particularly important and take part within 4 blocks of decision variables of the decision model. But it remains difficult to understand their weight in the decision making in relation to structural determinants. Whatever decision model, adoption of cover crops paths consist of the same steps. However, the limiting steps for change, their duration and the resources mobilized to ensure the sustainability of change vary. Moreover, according to the decision model followed by the farmer , the actions of levers adapted to the stages of change for adoption of cover crops have been identified. Finally work provides technical references on the grass management practices in banana plantations only. In particular, the decision variables concerning the spreading quantity of herbicide can be mobilized as a basis for modeling the impact of agricultural practices, built on the study of decision-making of farmers, and not only uses.
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Master Thesis
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https://dumas.ccsd.cnrs.fr/dumas-01260578
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Submitted on : Friday, January 22, 2016 - 1:18:36 PM
Last modification on : Monday, July 6, 2020 - 3:38:21 PM
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Julie Pham Viet Si. Réduire l'usage des herbicides aux Antilles : une analyse des modèles de décision de la gestion de l'herbe dans le croissant bananier Guadeloupéen. Sciences du Vivant [q-bio]. 2015. ⟨dumas-01260578⟩

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