Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correlation coefficient between different varieties of leaf nitrogen concentration and the original spectra. The trend of correlation coefficients of Kotobuki shinsui, Cuiguan, and Yali were found to be similar to each other, which showed a higher correlation in the 550 nm (green peak) and 720 nm (red edge). Nevertheless, the trend of correlation coefficient of Huangguan and Yuanhuang were found to be significantly different compared with the three cultivars above.
