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Impacts de la salinité sur l'efficience technique de l'agriculture irriguée : application au cas des Oasis de Nefzaoua en Tunisie

Author

Listed:
  • Mounir Belloumi
  • Mahmoud Mohamed Salah

Abstract

This work focuses on determining the performance in terms of technical efficiency of oasis irrigation in southern Tunisia using a parametric stochastic frontier approach. Date palm yield is explained by four factors: water quantity applied, labor, farmyard manure, and phosphate. The elasticity of demand for irrigation water is estimated to be-1.17; this leads us to suggest that appropriate pricing of irrigation water could contribute to the conservation of this increasingly rare resource. Further, estimation of the technical inefficiency model shows that salinization has a negative impact on technical efficiency. The mean value of technical efficiency is estimated to be 0.653.

Suggested Citation

  • Mounir Belloumi & Mahmoud Mohamed Salah, 2007. "Impacts de la salinité sur l'efficience technique de l'agriculture irriguée : application au cas des Oasis de Nefzaoua en Tunisie," Economie & Prévision, La Documentation Française, vol. 0(1), pages 77-89.
    • Handle: RePEc:cai:ecoldc:ecop_177_0077
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