Table 2.
Estimated concentration ranges (mg Corg L−1) of soluble humic fractions (dissolved humic substances, DHS) in the soil solution of bare soils (OF and CF) and planted soils (OF-P and CF-P) at field capacity and wilting point.
| OF | OF-P | CF | CF-P | |
|---|---|---|---|---|
| DHS at field capacity (mg Corg L−1) | ||||
| November | 10.5 | 10.8 | ||
| April | 11.9 | 8.3 | 8.8 | 5.3 |
| June | 6.3 | 8.5 | 14.3 | 11.7 |
| *Mean value | 9.1 | 10.2 | ||
| OF | OF-P | CF | CF-P | |
| DHS at wilting point (mg Corg L−1) | ||||
| November | 22.3 | 20.4 | ||
| April | 25.4 | 17.7 | 16.7 | 10.0 |
| June | 13.4 | 18.1 | 27.1 | 22.1 |
| *Mean value | 19.4 | 19.3 | ||
*Mean values refer to all soil treatments and sampling times (N = 5).