Table 3 Comparative analysis of SOC fraction sequestration capacity based on physical and chemical methods under different restoration measures.

0–20

BG

1.40 ± 0.06^a

0.39 ± 0.05^c

0.52 ± 0.05^c

0.71 ± 0.04^c

1.01 ± 0.09^a

RG

1.19 ± 0.04^b

0.61 ± 0.08^b

0.70 ± 0.08^b

0.88 ± 0.03^b

1.06 ± 0.07^a

CK

1^c

1^a

1^a

1^a

1^a

20–40

BG

1.09 ± 0.02^a

0.81 ± 0.11^a

0.88 ± 0.11^a

0.58 ± 0.02^c

0.64 ± 0.03^c

RG

1.05 ± 0.03^ab

0.85 ± 0.11^a

0.87 ± 0.08^a

0.80 ± 0.04^b

0.85 ± 0.05^b

CK

1^b

1^a

1^a

1^a

1^a