A spectral decomposition method for estimating the leaf nitrogen status of maize by UAV-based hyperspectral imaging

Shu Meiyan,Zhu Jinyu,Yang Xiaohong,Gu Xiaohe,Li Baoguo,Ma Yuntao

Comput. Electron. Agric.（2023）

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摘要

•A new spectral decomposition method was proposed for leaf nitrogen estimation.•Spectral decomposition increased the correlation between the reflectance and LNT.•Spectral decomposition was helpful to hyperspectral estimation of maize LNT.

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关键词

Maize,Leaf nitrogen status,UAV-based Hyperspectral image,Spectral decomposition,Machine learning

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