| 放牧强度 | 放牧小区 | 回归系数 | SOC土壤有机碳 | SIC土壤无机碳 | STC土壤全碳 | 全N | 土壤C/N比 |
| HGI | G9 | K | 1.63 | −0.89 | −1.46 | 8.34 | −0.87 |
| b | 1991.95 | 2022.57 | 2048.45 | 2000.86 | 2027.54 | ||
| G13 | K | 1.47 | −0.96 | −1.99 | 11.07 | −1.02 | |
| b | 1994.56 | 2022.60 | 2058.67 | 1996.23 | 2028.90 | ||
| G20 | K | 1.37 | −1.00 | −0.74 | 22.96 | −1.04 | |
| b | 1995.31 | 2024.26 | 2033.28 | 1972.70 | 2029.67 |