Table 1 Basic information of the tested soil.
Soil Layer(cm) | Total carbon contents(g/kg) | Organic carbon contents(g/kg) | Inorganic carbon contents(g/kg) | Light fraction organic carbon contents(g/kg) | Clay(%) | Silt(%) | Sand(%) | Texture |
|---|---|---|---|---|---|---|---|---|
0 ~ 5 | 11.5 ± 1.2 | 5.6 ± 0.6 | 5.8 ± 0.6 | 0.6 ± 0.1 | 5.0 ± 0.5 | 69.5 ± 3.5 | 25.5 ± 2.6 | silt loam |
5 ~ 10 | 10.6 ± 1.1 | 4.7 ± 0.5 | 6.0 ± 0.6 | 0.3 ± 0.1 | 6.3 ± 0.6 | 74.0 ± 3.7 | 19.7 ± 2.0 | silt loam |
10 ~ 15 | 10.3 ± 1.0 | 4.0 ± 0.4 | 6.1 ± 0.6 | 0.2 ± 0.1 | 6.9 ± 0.7 | 74.3 ± 3.7 | 18.8 ± 1.9 | silt loam |
15 ~ 20 | 10.0 ± 1.0 | 3.9 ± 0.4 | 6.0 ± 0.6 | 0.2 ± 0.1 | 7.5 ± 0.8 | 74.2 ± 3.7 | 18.4 ± 1.8 | silt loam |
20 ~ 30 | 8.5 ± 0.9 | 3.4 ± 0.3 | 5.1 ± 0.5 | 0.1 ± 0.1 | 7.7 ± 0.8 | 74.3 ± 3.7 | 18.1 ± 1.8 | silt loam |
30 ~ 40 | 5.1 ± 0.5 | 2.6 ± 0.3 | 2.5 ± 0.3 | 0.1 ± 0.1 | 5.8 ± 0.6 | 58.0 ± 2.9 | 36.2 ± 3.6 | silt loam |
