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Rpest-An indicator linked to a crop model to assess the dynamics of the risk of pesticide water pollution : Application to banana-based cropping systems

Tixier Philippe, Malezieux Eric, Dorel Marc, Bockstaller Christian, Girardin Philippe. 2007. Rpest-An indicator linked to a crop model to assess the dynamics of the risk of pesticide water pollution : Application to banana-based cropping systems. European Journal of Agronomy, 26 (2) : 71-81.

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Résumé : Like many intensive monocultures, some features of banana-based cropping systems may be detrimental to the environment. Pesticide use is a major cause of surface water and groundwater pollution. The risk of water pollution due to pesticides is very high in the insular areas of the French West Indies (FWI). In order to assess these risks and help design more sustainable cropping systems, we propose using an indicator to assess the risk of pesticide pollution over time (Rpest). Rpest provides dynamic assessments through a linkage with a cropping system model that simulates environmental factors and agricultural practices. An expert validation check was conducted and demonstrated that Rpest can rank cropping systems by risk as well as experts. A sensitivity analysis highlighted that the indicator can take the properties of active ingredients and pedoclimatic data into account in assessments. Rpest helps to pinpoint high pollution risk periods. It can also be used to test alternatives and compare systems. This tool can be integrated into a model-based, global, prototyping methodology used for more sustainable cropping systems. © 2006 Elsevier B.V. All rights reserved.

Mots-clés Agrovoc : Musa, système de culture, modèle, pollution de l'eau, pesticide, contrôle continu, eau souterraine, durabilité

Mots-clés géographiques Agrovoc : Antilles françaises, France

Classification Agris : F08 - Systèmes et modes de culture
P02 - Pollution
U10 - Informatique, mathématiques et statistiques

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Tixier Philippe, CIRAD-FLHOR-UPR Systèmes bananes et ananas (MTQ) ORCID: 0000-0001-5147-9777
  • Malezieux Eric, CIRAD-CP-UMR SYSTEM (FRA) ORCID: 0000-0002-5706-9610
  • Dorel Marc, CIRAD-CP-UMR SYSTEM (GLP)
  • Bockstaller Christian, INRA (FRA)
  • Girardin Philippe, INRA (FRA)

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Source : Cirad - Agritrop (https://agritrop.cirad.fr/536317/)

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