Adoption factors and structural characteristics of irrigated olive grove agroforestry systems in Central Tunisia
Léauthaud, Crystèle | Ben Yahmed, J. | Husseini, M. | Rezgui, F. | Ameur, F. | Gestion de l'Eau, Acteurs, Usages (UMR G-EAU) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Bureau de Recherches Géologiques et Minières (BRGM)-Institut de Recherche pour le Développement (IRD)-AgroParisTech-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Montpellier ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro) | Département Environnements et Sociétés (Cirad-ES) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) | Université de Carthage (Tunisie) = University of Carthage (UCAR) | Centre de recherches en économie appliquée au développement (CREAD) | This work was funded under the VIANA project through the ARIMNet2 2018 Joint Call by the following funding agencies: ANR (France, grant agreement no. ANR-17-ARM2-0004), SEESRS (Morocco), FNRSDT/DGRSDT (Algeria). ARIMNet2 (ERA-NET) has received funding from the European Union's Seventh Framework Programme for research, technological develop-ment and demonstration under grant agreement no. 618127. | ANR-17-ARM2-0004,VIANA,Vulnérabilités et capacités adaptatives de l'agriculture irrigué au Maghreb(2017)
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Показать больше [+] Меньше [-]Английский. Irrigated olive grove agroforestry systems in the Southern Mediterranean have rarely been studied. In the context of increased interest for agroecological approaches, this study questions why and how farmers undertake such associations, in the case of smallholder irrigated agriculture in Tunisia. The objectives were to characterize the physical structure of existing olive-summer vegetable associations and describe the rationales of farmers implementing them. Quantitative and qualitative approaches were used to collect data from 132 olive groves and 31 semi-directive interviews in the Merguellil plain, Central Tunisia. Dual crop input-intensive agroforestry systems were predominant, although agroforestry structures with a high species' diversity also existed. Adoption reasons and implementation of agroforestry systems varied. The latter were often perceived as an economically viable solution in a context of difficult access to productive resources. Particularly, limited and fragmented access to land or water was a strong driver of adoption, inducing contractual arrangements between farmers to share resources. Farmers implemented agroforestry systems mainly to maximize income, reduce production costs or reduce risks through a crop diversification strategy. Most characterized agroforestry olive-summer vegetable associations may fail to meet the principles of agroecology. Being already adopted by farmers, they may however serve as a base to conceive improved cropping systems.
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