## Materials and Methods
### Measurements of Sensitivity and Anti-Interference
\begin{table}
\begin{tabular}{c c c c} \hline \hline
**Index** & **Calculation Formula** & **Reference** & **Comment** \\ \hline \(\mathrm{A_{GNDVI}}\) & \(\mathrm{A_{GNDVI}}=\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum \limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\frac{\mathrm{NIR}_{\mathrm{r_{gal}}} -\mathrm{Green}_{\mathrm{r_{gal}}}}{\mathrm{NIR}_{\mathrm{r_{gal}}}+\mathrm{ Green}_{\mathrm{r_{gal}}}}\) & this paper & Green accumulative \\  & & normalized vegetation index \\ \hline \(\mathrm{A_{BNDVI}}\) & \(\mathrm{A_{BNDVI}}=\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum \limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\frac{\mathrm{NIR}_{\mathrm{r_{gal}}} -\mathrm{Blue}_{\mathrm{r_{gal}}}}{\mathrm{NIR}_{\mathrm{r_{gal}}}+\mathrm{Blue }_{\mathrm{r_{gal}}}}\) & this paper & Blue accumulative normalized \\  & & vegetation index \\ \hline \(\mathrm{A_{GRNDVI}}\) & \(\mathrm{A_{GNDVI}}=\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum \limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum\limits_{\mathrm{r_{gal}}}^{ \mathrm{r_{gal}}}\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\frac{ \mathrm{NIR}_{\mathrm{r_{gal}}}-(\mathrm{Green}_{\mathrm{r_{gal}}}+\mathrm{ Red}_{\mathrm{r_{gal}}})}{\mathrm{NIR}_{\mathrm{r_{gal}}}+(\mathrm{Green}_{\mathrm{r_{gal}}}+\mathrm{ Red}_{\mathrm{r_{gal}}})}\) & this paper & Green and Red accumulative \\  & & normalized vegetation index \\ \hline \(\mathrm{A_{GBNDVI}}\) & \(\mathrm{A_{GNDVI}}=\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum \limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum\limits_{\mathrm{r_{gal}}}^{ \mathrm{r_{gal}}}\frac{\mathrm{NIR}_{\mathrm{r_{gal}}}-(\mathrm{Green}_{ \mathrm{r_{gal}}}+\mathrm{Blue}_{\mathrm{r_{gal}}})}{\mathrm{NIR}_{\mathrm{r_{gal}}}+( \mathrm{Green}_{\mathrm{r_{gal}}}+\mathrm{Blue}_{\mathrm{r_{gal}}})}\) & this paper & Green and Blue accumulative \\  & & normalized vegetation index \\ \hline \(\mathrm{A_{RBNDVI}}\) & \(\mathrm{A_{RBNDVI}}=\sum\limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\sum \limits_{\mathrm{r_{gal}}}^{\mathrm{r_{gal}}}\mathrm{NIR}_{\mathrm{r_{gal}}}-( \mathrm{Red}_{\mathrm{r_{gal}}}+\mathrm{Blue}_{\mathrm{r_{gal}}})\) & this paper & Red and Blue accumulative \\  & & normalized vegetation index \\ \hline \hline \end{tabular} Note: NIR, Green, Blue, and Red represent spectral reflectances of near infrared, green, blue, and red bands, respectively.  
\end{table} 
Table 1: _Cont._\[\Delta(\mathrm{A_{VNDVI}})=(\mathrm{A_{VNDVI}})_{\mathrm{max}}-(\mathrm{A_{VNDVI}})_{ \mathrm{min}} \tag{9}\]  
where \(\mathrm{VNDVI_{\mathrm{max}}}\), \(\mathrm{NDVI_{\mathrm{max}}}\), and \((\mathrm{A_{VNDVI}})_{\mathrm{max}}\) refer to the maximum hyperspectral values of VNDVI, NDVI, and \(\mathrm{A_{VNDVI}}\) in the crop growth cycle, respectively; and \(\mathrm{VNDVI_{\mathrm{min}}}\), \(\mathrm{NDVI_{\mathrm{min}}}\), and \((\mathrm{A_{VNDVI}})_{\mathrm{min}}\) refer to the minimum LAI values of VNDVI, NDVI, and \(\mathrm{A_{VNDVI}}\) in the growing period, respectively. The value of the sensitive function indicates the variation trend of sensitivity and anti-interference. The higher the value of the sensitive function, the higher the sensitivity, and the worse the anti-interference. Conversely, a lower value of sensitive function indicates a lower sensitivity and better anti-interference. Obviously, the sensitive function of NDVI is \(\mathrm{S_{V}}=1\). When \(\mathrm{S_{V}}\) and \(\mathrm{S_{A}}\) are greater than 1, it means that the corresponding VNDVI and \(\mathrm{A_{VNDVI}}\) are more sensitive and exhibit less anti-interference than NDVI. Furthermore, when \(\mathrm{S_{V}}\) and \(\mathrm{S_{A}}\) are less than 1, the corresponding VNDVI and \(\mathrm{A_{VNDVI}}\) display higher anti-interference and a lower sensitivity than NDVI.