Table 1 Vegetation index.

NDVI

Normalized Difference Vegetation Index

[SUM R (760–900)/141-SUM R (630–900)/271]/

[SUM R (760–900) + SUM R (630–900)/271]

⁴⁰

RVI

Ratio Vegetation Index

[SUM R (760–900)/141]/ [SUM R (630–900)/271]

⁴¹

NDVI

[560/680]

Normalized Difference Vegetation Index

(R560-R680)/(R560 + R680)

⁴⁰

MCARI

Modified Chlorophyll Absorption Reflectance

(R700-R670)-0.2×(R700-R550) × (R700/R670)

⁴²

NDNI

Normalized interpolated nitrogen index

(R1510-R1680)/ (R1510 + R1680)

⁴³

CRI1

Carotenoid Reflectance index1

(1/R550-1/R700)

⁴⁴

CRI2

Carotenoid Reflectance Index2

(1/R510-1/R550)

⁴⁴