| Parameters | Soil alone | Soil plus plant | ||||||
| Biomass application level (Mg∙ha−1) | 0 | 3 | 6 | 12 | 0 | 3 | 6 | 12 |
| CH4 emission rate (g∙m−2) | 3.54d | 3.84c | 13.77b | 15.74a | 1.16d | 1.38c | 2.41b | 3.78a |
| DOC (mg∙kg−1) | 262d | 298c | 338b | 420a | 320d | 352c | 380b | 484a |
| HWOC (mg∙kg−1) | 600d | 778c | 803b | 994a | 917d | 1022c | 1132b | 1182a |