Table 1. Cumulative CO2 production, soil organic matter (SOM) mineralization and fresh organic matter (FOM) mineralization during 0~9 d, 9~30 d, 30~105 d, and the whole period of the incubation.
Larch Plantation soil |
Secondary Forest soil |
|||
---|---|---|---|---|
+leaves | +stalks | +leaves | +stalks | |
CO2 production (mg C kg-1 soil) | ||||
0~9 d | 171.13a | 161.78b | 367.46a | 338.38b |
9~30 d | 266.91b | 277.65a | 510.62b | 557.11a |
30~105 d | 560.89b | 581.29a | 895.06b | 971.00a |
0~105 d | 998.93b | 1020.72a | 1773.14b | 1866.49a |
0~9 d | 0.21a | 0.16b | 0.22a | 0.12b |
9~30 d | 0.53a | 0.54a | 0.59a | 0.61a |
30~105 d | 1.44b | 1.49a | 1.43b | 1.59a |
0~105 d | 2.18a | 2.19a | 2.24b | 2.32a |
FOM mineralization (% of added FOM) | ||||
0~9 d | 14.86a | 15.70a | 14.15b | 14.93a |
9~30 d | 13.01b | 14.29a | 12.87b | 14.82a |
30~105 d | 12.37a | 12.95a | 13.38a | 13.67a |
0~105 d | 40.25a | 42.93a | 40.40b | 43.43a |
Different letters in the same line denote significant differences (P < 0.05) between two FOM treatments based on Independent-Samples T Test (n = 4).