基于遥感与作物模型的土壤速效养分时空变异分析
方慧婷,蒙继华,程志强

Spatio-Temporal Variability of Soil Available Nutrients Based on Remote Sensing and Crop Model
FANG HuiTing,MENG JiHua,CHENG ZhiQiang
图2 2012—2016 年农田尺度上土壤速效氮空间分布
Fig. 2 The spatial distribution maps of soil available nitrogen (AN) under farm scale from 2012 to 2016