基于地块级时序NDVI的喀斯特山区撂荒地特征精准识别
王玲玉, 陈全, 吴跃, 周忠发, 但雨生

Accurate recognition and extraction of karst abandoned land features based on cultivated land parcels and time series NDVI
WANG Lingyu, CHEN Quan, WU Yue, ZHOU Zhongfa, DAN Yusheng
图7 息烽县累计撂荒地数量趋势
Fig.7 Number trend of multiple abandoned land in Xifeng County