Leaf properties | GNDVI (550 and 800 nm) | RENDVI (705 and 750 nm) | NDWI (860 and 1240 nm) | Best two band combination | |||||
---|---|---|---|---|---|---|---|---|---|
R2 | RPD | R2 | RPD | R2 | RPD | R2 | RPD | Selected bands | |
Chlorophyll (µmol/m2) | 0.847 | 2.56 | 0.805 | 2.27 | 0.063 | 1.03 | 0.921 | 3.54 | 730, 770 nm |
Leaf water content (%) | 0.045 | 1.02 | 0.045 | 1.02 | 0.094 | 1.05 | 0.428 | 1.32 | 1465, 2125 nm |
Specific leaf area (m2/kg) | 0.057 | 1.03 | 0.050 | 1.03 | 0.058 | 1.03 | 0.314 | 1.21 | 1870, 2275 nm |
Nitrogen (%) | 0.717 | 1.88 | 0.685 | 1.78 | 0.139 | 1.07 | 0.751 | 2.00 | 735, 745 nm |
Phosphorus (%) | 0.101 | 1.05 | 0.083 | 1.04 | 0.013 | 1.01 | 0.147 | 1.08 | 850, 860 nm |
Potassium (%) | 0.006 | 0.99 | 0.002 | 0.98 | 0.087 | 1.03 | 0.143 | 1.05 | 1215, 1325 nm |