Furthermore, the variation of spectral vegetation index of winter wheat under different nitrogen levels and the correlation between agronomic parameters and spectral variables were analyzed.
在此基础上分析了不同氮素水平冬小麦生育期内的光谱植被指数的变化，并分析了农学参数与植被指数之间的相关性。
Furthermore, the variation of spectral vegetation index of winter wheat under different nitrogen levels and the correlation between agronomic parameters and spectral variables were analyzed.
在此基础上分析了不同氮素水平冬小麦生育期内的光谱植被指数的变化，并分析了农学参数与植被指数之间的相关性。
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