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Le sorgho de décrue dans la vallée du Sénégal

Author

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  • Xavier Le Roy

    (Dynamiques environnementales entre forêt, agriculture et biodiversité : des pratiques locales sur la nature aux politiques de conservation)

Abstract

Quelle est la singularité du sorgho de décrue dans la vallée du fleuve Sénégal ? Permettant une utilisation différée de l'abondance en eau, il se distingue d'autres contextes par l'absence de repiquage et par un cycle cultural exclusivement en saison sèche. Cette pratique millénaire semble échapper aux mutations agraires, reflétant une stricte hiérarchie sociale et observant un itinéraire technique immuable. Alors que vingt années de sécheresse et l'introduction de l'agriculture irriguée semblaient le condamner, le sorgho de décrue ressurgit en 1994, démontrant l'attachement des populations de la moyenne vallée à cette production sans risque économique. Toutefois, la mise en route des turbines au barrage de Manantali accentue l'incertitude et la variabilité qui les caractérisent les cultures de décrue.

Suggested Citation

  • Xavier Le Roy, 2007. "Le sorgho de décrue dans la vallée du Sénégal," Working Papers ird-00179486, HAL.
    • Handle: RePEc:hal:wpaper:ird-00179486
    Note: View the original document on HAL open archive server: https://hal.ird.fr/ird-00179486
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    File URL: https://hal.ird.fr/ird-00179486/document
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    Cited by:

    1. Danièle Clavel & Hélène Guétat-Bernard & Eric O. Verger, 2023. "Intensified rice production negatively impacts plant biodiversity, diet, lifestyle and quality of life: transdisciplinary and gendered research in the Middle Senegal River Valley," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 40(2), pages 745-760, June.

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