微生物种类 | 土层(cm) | 退耕年限(a) | ||||||||
1 | 2 | 3 | 4 | 5 | 8 | 15 | 24 | 31 | ||
细菌 | 0~10 | 23.06a | 2.22c | 2.68c | 7.30b | 1.11de | 0.45e | 1.37d | 7.71b | 0.45e |
10~20 | 2.85b | 1.09d | 1.94c | 2.08c | 3.25b | 19.39a | 0.29e | 1.05d | 3.16b | |
20~30 | 1.44de | 0.91f | 1.30e | 1.75cd | 2.26b | 2.08bc | 0.26g | 0.26g | 7.10a | |
30~40 | 0.45cd | 0.58bc | 1.11a | 0.64bc | 1.30a | 0.71b | 0.13e | 0.13e | 0.26de | |
真菌 | 0~10 | 0.72de | 0.52ef | 2.16b | 4.65a | 0.72de | 1.10c | 0.91cd | 0.45f | 0.45f |
10~20 | 0.45d | 0.71cd | 0.84c | 1.30b | 1.24b | 0.52d | 0.58d | 2.29a | 0.90c | |
20~30 | 0.26d | 0.91b | 0.71c | 0.32d | 1.03b | 0.32d | 0.26d | 1.69a | 0.45d | |
30~40 | 0.13b | 0.13b | 0.13b | 0.13b | 0.71a | 0.32b | 0.13b | 0.78a | 0.26b | |
放线菌 | 0~10 | 1.04de | 0.46f | 0.46f | 7.69b | 0.59ef | 8.37a | 1.43d | 3.63c | 0.97def |
10~20 | 0.65ef | 1.09e | 2.39cd | 3.05b | 2.15d | 6.33a | 0.23f | 2.82bc | 2.20d | |
20~30 | 0.52e | 2.60a | 0.26f | 0.91d | 1.42c | 0.91d | 0.19f | 0.91d | 2.00b | |
30~40 | 0.13e | 0.71b | 0.20de | 0.58bc | 1.23a | 0.32cde | 0.13e | 0.45bcd | 1.04a |