基于无人机多光谱影像的冬小麦返青期变量施氮决策模型研究

董超^1,², 赵庚星^2,^*, 宿宝巍², 陈晓娜², 张素铭²

Decision Model of Variable Nitrogen Fertilizer in Winter Wheat Returning Green Stage Based on UAV Multi-Spectral Images

DONG Chao^1,², ZHAO Geng-xing^2,^*, SU Bao-wei², CHEN Xiao-na², ZHANG Su-ming²

无人机多光谱影像(组合波段: 近红光、红光、绿光)及氮肥施肥水平设置示意图 1.2.2 小麦冠层SPAD值与产量测定