Table 1. Characteristics of the nitrogen concentration of the samples.
Samples | Observations | Maximum/g·kg-1 | Minimum/g·kg-1 | Mean/g·kg-1 | Standard deviation/g·kg-1 |
---|---|---|---|---|---|
Total | 100 | 34.75 | 26.84 | 30.56 | 1.69 |
Calibration | 75 | 34.49 | 26.84 | 30.55 | 1.65 |
Validation | 25 | 34.75 | 27.04 | 30.56 | 1.82 |