Land Use Change Threat to Paddy Cultivation Sustainability on the Irrigated Rice Fields in Bengkulu Province, Indonesia

Unpredictable conditions of rice cultivation on fragile peatlands in Indonesia due to land-use changes would be an obstacle agricultural food production and security. This study aimed determine the land usage Bengkulu, from prospective fields oil palm plantations. The was conducted June October 2020 at Air Manjuto irrigation paddy Mukomuko Regency, Bengkulu Province. analysis used satellite imagery with appropriate resolutions multitemporal time United States Geological Survey's Landsat 5 Thematic Mapper (TM), 7 Enhanced + (ETM+), 8 Operational Land Imager (OLI) collected years 2000, 2008, 2019. (USGS). landscapes covering area were mostly marginal swampy peaty soils ordo Inceptisols, Histosols, Entisols, which favor intensive cultivation. Oil plantation covers about 80% area, last ten years, by small-scale farmers increased sharply, 8,219 ha or 68% previous decade, no bush bare land. In contrast, extraordinary loss 6,819 74% 9,187 2008 2,308 a huge for threatens Bengkulu. should reversed through supporting infrastructure facilities incentives, agrochemical subsidies, insurances, more converted.