| 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) | 0.32d | 0.76c | 1.50b | 4.12a | 1.05d | 3.61c | 20.19b | 28.78a |
| DOC (mg∙kg−1) | 217c | 242b | 242b | 252a | 244d | 251c | 271b | 274a |
| HWOC (mg∙kg−1) | 595d | 602c | 742b | 888a | 914d | 994c | 1057b | 1152a |