Economic appraisal of profitability and sustainability of peri-urban agriculture in Bangkok
Promoters of urban and peri-urban agriculture generally stress its positive role in terms of food security, income, employment and improvement of the urban environment. Unfortunately, competition with agricultural and non-agricultural uses of peri-urban farm land often translates into intensive farming systems that are detrimental to the environment. Based on two original surveys of peri-urban farms in the area of Bangok, this paper ranks four cropping systems (fish, shrimp, rice, and fruits) according to their economic profitability. A second step of the analysis aims at taking into account the cost of water into the analysis, so as to assess whether the hierarchy formerly established is modified. Although all environmental costs are not introduced and environmental benefits are ignored, this work paves the way for further research in the area of taking into account the environmental impact of farming activities. ...French Abstract : Les tenants de l'agriculture urbaine et péri-urbaine invoquent généralement son rôle positif en termes de sécurité alimentaire, de génération d'emplois et de revenus et d'amélioration de l'environnement urbain. Toutefois, la concurrence entre usages agricoles et non agricoles de la terre en zone péri-urbaine est malheureusement souvent à l'origine de systèmes agricoles intensifs préjudiciables à l'environnement. A partir de deux enquêtes effectuées dans des exploitations de la zone péri-urbaine de Bangkok, cet article tente de classer quatre systèmes productifs (aquaculture, pisciculture, riziculture et arboriculture fruitière) en fonction de leur rentabilité économique. Dans une seconde partie, nous cherchons à évaluer dans quelle mesure l'introduction du coût de l'eau (l'eau propre étant paradoxalement une ressource rare à Bangkok) dans l'analyse économique de la rentabilité des activités modifie la hiérarchie précédemment établie. Bien qu'imparfait (tous les coûts environnementaux ne sont pas inclus et d'éventuels bénéfices environn
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