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Kyoto University (2015)

Analysis of Dynamics of Cropping Systems in the Dry Zone, Myanmar

Moe, Swe Yee

Titre : Analysis of Dynamics of Cropping Systems in the Dry Zone, Myanmar

Auteur : Moe, Swe Yee

Université de soutenance : Kyoto University

Grade : Doctoral Dissertation 2015

Résumé
The “Dry Zone” in Myanmar has a tropical semi-arid climate with erratic rainfall, high temperatures, and low-nutrient soils. The majority of residents depend on agriculture and, until recently, practiced traditional upland farming under rainfed conditions. However, since three decades ago, variations in rainfall and fluctuations in crop prices have threatened livelihoods, resulting in a gradual change in farming systems, including the introduction of new cash crops. To determine how the local people have adapted to these changes, four villages in Kani Township and two in Yinmarbin Township, all in the Sagaing Region, were employed in a case study. Interviews with randomly selected households, group interviews, and field observations were carried out. In Kani Township, the existing cropping systems were sufficient for home consumption, adaptable to the environment and adequately supplied an income. Recently, however, the farmers faced a reduction in crop productivity as a result of climate change, and are therefore considering introducing new cash crops. In a riverine village in Yinmarbin Township, easy access to underground water irrigation, its location near the city, and careful farm management have resulted in successful introduction of betel vine. Similarly, in a typical upland crop-producing village in Yinmarbin, villagers have introduced thanakha, a highly prospective cash crop with adaptability to their agro-environment. Although to some extent the conventional cropping systems remain sufficient in providing food and income security, crop diversification with the introduction of new cash crops may have generated more income and contributed to rural development.

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