Abstract
Karawang Regency is the top rice producer within West Java, Indonesia. Accurate information about the number of harvest areas is essential in rice production in Indonesia, and the population majority eat rice. The Sentinel-2A imagery which has a spatial resolution of 10 meters. The study aims to spatial analysis pattern of rice phenology and estimation of rice productivity using Sentinel-2A imagery in Karawang Regency. The NDVI algorithm method used to determine the age of rice plants, which then used to estimate rice productivity. The Karawang Regency had 30 districts with rice fields. The stage of rice was land preparation (NDVI = 0.096-0.036), early vegetative (NDVI = 0.0 36-0.24), vegetative (NDVI = 0.24-0.45) generative NDVI = 0.45-0.63) and harvesting (NDVI= >0.63). The result from the estimation of harvest area in June and July is 39,364.55 hectares, and the estimation of rice productivity is 275,551.85 tons in Karawang Regency. Finally, the result concluded that the harvest area from Sentinel-2A imagery could provide an estimation of productivity on the paddy field in Karawang Regency
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