Table 2 The proportions of SOC fractions accounting for SOC in different restoration measures.

40.07 ± 0.81^a

58.75 ± 0.80^c

2.43 ± 0.11^a

97.57 ± 0.11^c

56.78 ± 3.61^ab

81.35 ± 0.75^a

30.36 ± 1.19^b

68.26 ± 1.19^b

1.96 ± 0.04^b

98.04 ± 0.03^b

59.40 ± 2.67^a

82.31 ± 3.63^a

20.06 ± 1.73^c

78.16 ± 1.69^a

1.72 ± 0.04^c

98.28 ± 0.04^a

50.03 ± 2.31^b

83.45 ± 4.93^a

21.64 ± 1.29^a

76.73 ± 1.23^b

2.80 ± 0.05^a

97.20 ± 0.05^c

42.61 ± 5.48^a

75.83 ± 3.94^a

20.60 ± 1.31^ab

77.71 ± 1.28^ab

2.06 ± 0.08^b

97.94 ± 0.08^b

42.51 ± 2.71^a

74.66 ± 3.41^ab

17.51 ± 1.54^b

80.67 ± 1.53^a

1.64 ± 0.05^c

98.35 ± 0.05^a

40.17 ± 4.53^a

64.60 ± 3.62^b