Fig. 3

Regression coefficient plots of chemical composition of bamboo based on raw NIR spectra (780–2500 nm): a regression coefficient plot of cellulose; b regression coefficient plot of xylan; and c regression coefficient plot of lignin
Regression coefficient plots of chemical composition of bamboo based on raw NIR spectra (780–2500 nm): a regression coefficient plot of cellulose; b regression coefficient plot of xylan; and c regression coefficient plot of lignin