Table 1 Results of cotton AGB extraction
From: Spectral estimation of the aboveground biomass of cotton under water–nitrogen coupling conditions
Growth stage | Number of characteristic wavelengths | Characteristic wavelengths (nm) |
|---|---|---|
bud stage | 20 | 334–344, 351, 388, 502, 657, 721, 817, 951, 965, 1066 |
flowering stage | 20 | 325, 334–344, 401, 490, 632, 699, 983, 1041, 1061, 1075 |
boll stage | 20 | 325, 331, 334–344, 357, 547, 666, 701, 753, 928 |