| Different content of biochar in sand (w/w) | ||||
| 0% | 2% | 5% | 8% | 10% |
Dchla (mg) | 1.8 ± 0.15 (a) | 2.8 ± 0.35 (b) | 1.0 ± 0.40 (a) | 0.8 ± 0.37 (a) | 1.4 ± 0.32 (a) |
Fixed sands (g) | 5.1 ± 0.65 (a) | 6.2 ± 1.44 (b) | 4.2 ± 0.89 (a) | 4.9 ± 0.51 (a) | 5.2 ± 0.82 (a) |