Fig. 4

The canopy spectra of two samples with similar LAI values, a LAI around 2.9 and b LAI around 5, in pre-heading (Pre-HD) and post-heading (Post-HD) stages

The canopy spectra of two samples with similar LAI values, a LAI around 2.9 and b LAI around 5, in pre-heading (Pre-HD) and post-heading (Post-HD) stages