Fig. 3

The variation of LAI plotted with a MTCI, b CIgreen, c CIred edge, d NDRE, e WDRVI, f NDVI, g OSAVI and h EVI2 in rice during the entire growing season. For all tested VIs, samples of post-heading (Post-HD) stages were deviated from the LAI vs. VI relationship of pre-heading (Pre-HD) stages