| Constituent | Scomp | Bcomp |
| pH | 8.7 | 7.2 |
| Total carbon (g∙kg−1) | 123.0 | 248.1 |
| Total nitrogen (g∙kg−1) | 11.4 | 37.7 |
| C/N ratio | 10.8 | 6.6 |
| Inorganic N |
|
|
| NH4-N (g∙kg−1) | 0.97 | 11.65 |
| NO3-N (g∙kg−1) | 0.03 | 0.79 |
| Total phosphorus (g∙kg−1) | - | 53.2 |
| Exchangeable cations (cmol∙kg−1) | ||
| K+ | 15.6 | 12.6 |
| Na+ | 10.0 | 6.3 |
| Ca2+ | 34.0 | 16.6 |
| Mg2+ | 5.6 | 33.0 |
| Total heavy metal (mg∙kg−1) |
|
|
| Zn | 202.1 (5.3)† | 205.4 (0.3) |
| Cu | 318.6 (3.5) | 137.7 (0.5) |
| Cd | 8.2 | 8.0 |
| Ni | 99.3 | 18.3 |