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.
The correlations of Mg concentration with Chla (A), Chlb (B), Car (C), and Chl/Car ratio (D) in the leaves of rice and cucumber. The lines represent the regressions that are best fit for the data (n = 12). Chla, chlorophyll a content; Chlb, chlorophyll b content; Chl, chlorophyll content; Car, carotenoid content.
