Fig. 1

Part of the hyperspectral image. (A) Study area; (B) High nitrogen and medium nitrogen treatment areas; (C) Low nitrogen treatment area.ArcGIS (V10.3 Esri).

Part of the hyperspectral image. (A) Study area; (B) High nitrogen and medium nitrogen treatment areas; (C) Low nitrogen treatment area.ArcGIS (V10.3 Esri).