Economic Feasibility of Diversified Farming System in the Flood-Prone Mekong Delta: Simulation for Dike Area in An Giang Province, Vietnam

Shigeki Yokoyama (), Canh Dung Le, Hideto Fuji, Yoichi Fujihara and Keisuke Hoshikawa
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Shigeki Yokoyama: Japan International Research Center for Agricultural Sciences
Canh Dung Le: Can Tho University, Campus II, 3/2 street, Ninh Kieu district, Can Tho city, Vienam
Hideto Fuji: Yamagata University, 1-4-12 Kojirakawa-machi, Yamagata-shi, Yamagata-ken, 990-8560, Japan
Yoichi Fujihara: Ishikawa prefectural University, 1-308, Suematsu, Nonoichi-shi, Ishikawa-ken, 921-8836, Japan
Keisuke Hoshikawa: Toyama Prefectural University, 5180 Kurokawa, Imizu-shi, Toyama-ken, 939-0398, Japan

Asian Journal of Agriculture and Development, 2018, vol. 15, issue 2, 21-40

Abstract: A simulation of crop choice was performed to examine the feasibility of introducing diversified farming systems, coexisting with seasonal floods, as an alternative to triple rice cropping system in the flood-prone Mekong Delta in Vietnam. A combination of 1.78 to 1.88 ha of double rice cropping and 0.12 to 0.22 ha of upland cropping can achieve an equivalent income or profit from 2 ha of triple rice cropping. Farmers evaluated the full-dike system positively in terms of both economic aspects and living conditions. Some farmers recognized that full flood control might have worsened the natural environment and reduced soil fertility resulting in declining rice yields. To establish a smart flood control system as an adaptation strategy against expected climate change, the following measures must be undertaken: (1) sensitize farmers to the increasing climatic risk in the near future and long-term adverse effects of intensive triple rice cropping; (2) offer alternative environmentally sound and economically profitable farming systems; and (3) develop institutional design for well-coordinated gate and pumping operations both at dike units and in canal network systems.

Keywords: economic simulation; climate change; adaptation strategy; triple rice cropping; dike system (search for similar items in EconPapers)
JEL-codes: Q01 Q12 Q25 (search for similar items in EconPapers)
Date: 2018
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