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 Printable version |
Pest management cycles and sustainability of cotton production systems |
Cahiers Agricultures. Volume 15, Number 1, 102-8, Janvier-Février 2006 - Le coton, des futurs à construire, Étude originale
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 Résumé
Article gratuit
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Author(s) : Jean-Christophe Castella, Jean-Philippe Deguine |
Summary : A theoretical model of pest management cycles is proposed to assess the sustainability of cotton production systems. This model is based on the interaction process between crop protection practices and ecological dynamics (pest pressure, resistance to pesticides) that influences the proportion of cotton-planted areas in a cultivated ecosystem. Adaptive cycles of cotton production are exemplified by a comparative analysis of several case studies in Thailand, Australia, and Mali, where cotton areas were similar in the 1980s, but have evolved very differently since then. Over the last two decades, cotton production fell sharply in the former country while it increased rapidly in the other two. The capacity to control pests in an integrated manner at the scale of the agroecosystem is considered as a key driving factor of the changes observed in cotton industries. The three case studies suggest that several models of social organisation of crop protection can contribute to maintain the ecological and economic viability of cotton production systems. |
Keywords : vegetal productions |
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