Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1999-3110-55-11/MediaObjects/40529_2013_Article_66_Fig2_HTML.jpg)
Coefficient between reciprocal reflectance and chlorophyll content and its RMSE. (A) Coefficient between reciprocal reflectance (R-1) and chlorophyll content; (B) root mean square error (RMSE) of the chlorophyll estimation by R-1. G+Y, green and yellow leaves only; G+Y+P: green, yellow, and purple leaves.