From: Spectral estimation of the aboveground biomass of cotton under water–nitrogen coupling conditions
Growth stage | Model | Number | Minimum value (g) | Maximum value (g) | Average (g) | Standard deviation | CV (%) | |
---|---|---|---|---|---|---|---|---|
bud stage | total data set | 90 | 24.08 | 44.96 | 34.71 | 6.19 | 17.83 | |
training data set | 54 | 24.09 | 44.92 | 34.69 | 6.11 | 17.61 | ||
validation data set | 36 | 24.08 | 44.96 | 34.69 | 6.38 | 18.39 | ||
flowering stage | total data set | 90 | 20.46 | 105.43 | 42.05 | 14.84 | 35.27 | |
training data set | 54 | 21.34 | 105.43 | 42.31 | 15.53 | 36.71 | ||
validation data set | 36 | 20.46 | 74.41 | 41.55 | 13.46 | 32.39 | ||
boll stage | total data set | 90 | 19.08 | 133.79 | 57.19 | 18.07 | 31.60 | |
training data set | 54 | 19.08 | 133.79 | 56.32 | 18.71 | 33.22 | ||
validation data set | 36 | 27.19 | 104.06 | 58.95 | 16.74 | 28.40 |