SVIs | Equation | Traits | References |
---|---|---|---|
NDVI | (R800 − R680)/(R800 + R680) | Biomass, coverage | [29] |
MCARI2 | (1.5[2.5 (R800 − R670) − 1.3 (R800 + R550)])/sqrt((2*R800 + 1)^2 − (6*R800 − 5*sqrtR670) − 0.5)) | LAI, coverage | [30] |
780/700 | R780/R700 | Nitrogen content | [31] |
TGI | −0.5[(W670 − W480)(R670 − R550) − (W670 − W550)(R670 − R480)] | Chlorophyll content | [32] |
CHLG | (R760 − R800)/(R540 − R560) | Chlorophyll content | [33] |
PRI | (R531 − R570)/(R531 + R570) | Stress | [34] |
NDWI1650 | (R840 − R1650)/(R840 + R1650) | Plant water status | [35] |
HI | (R534 − R698)/(R534 + R698) − R704/2 | Plant health | [1] |