世界银行：利用光学遥感和有限训练数据绘制斯里兰卡田间水稻面积和产量图（英文版）

Rice is a staple crop for over half the world’s population, and accurate, timely information on its planted area and production is crucial for food security and agricultural policy, particularly in developing nations like Sri Lanka. However, reliable rice monitoring in regions like Sri Lanka faces significant challenges due to frequent cloud cover and the fragmented nature of small-holder farms. This research introduces a novel, cost-effective method for mapping rice planted area and yield at