Table 2.
Effects of land use types on carbon management index at different depths
| 0–15 cm | 15–30 cm | |||||||
|---|---|---|---|---|---|---|---|---|
| ENPOC% | CPI | LI | CMI | ENPOC% | CPI | LI | CMI | |
| BL | 19.97a | 0.34a | 0.80a | 31.00a | 17.00a | 0.36a | 0.59a | 22.77a |
| GR | 23.95a | 0.46b | 0.81a | 41.00ab | 17.40a | 0.46a | 0.64ab | 28.93a |
| AG | 27.03c | 0.64c | 0.82a | 53.00b | 22.37b | 0.68a | 0.70c | 65.73b |
| SH | 34.99d | 1d | 1a | 100c | 27.30b | 1c | 1c | 100c |
Means with letters within are statistically different. SH is the reference land use type
GR grasslands, SH shrublands, AG agricultural lands, BL barelands, ENPOC enrichment ratio of POC to TOC, CPI carbon pool index, LI lability index, CMI carbon management index