Table 1 Repeated measures ANOVA statistics (p value) for soil moisture (treatments) and sampling time effects on various measured parameters.
From: Soil organic carbon cycling in response to simulated soil moisture variation under field conditions
Soil depth (cm) | Measured parameters | 2018 | 2019 | ||||
---|---|---|---|---|---|---|---|
Trt | Time | Trt × time | Trt | Time | Trt × time | ||
0–5 | CO2 emissions | < 0.0001 | < 0.0001 | 0.0004 | 0.0002 | < 0.0001 | 0.0002 |
Extractable organic C | < 0.0001 | 0.009 | NS | < 0.0001 | < 0.0001 | 0.007 | |
Microbial biomass C | 0.086 | 0.0001 | NS | 0.004 | < 0.0001 | 0.0002 | |
Hyphal length | NS | < 0.0001 | NS | 0.002 | 0.003 | 0.006 | |
Total enzyme activity | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | 0.0003 | 0.0001 | |
Specific enzyme activity | 0.0003 | < 0.0001 | 0.001 | < 0.0001 | 0.006 | 0.044 | |
5–15 | Extractable organic C | 0.0001 | 0.038 | 0.004 | 0.001 | 0.0001 | 0.006 |
Microbial biomass C | 0.0002 | NS | NS | 0.001 | 0.044 | 0.001 | |
Hyphal length | NS | NS | NS | 0.023 | 0.0001 | 0.001 | |
Total enzyme activity | 0.015 | < 0.0001 | 0.001 | 0.0002 | < 0.0001 | 0.001 | |
Specific enzyme activity | < 0.0001 | < 0.0001 | NS | 0.001 | 0.004 | 0.259 | |
15–30 | Extractable organic C | NS | < 0.0001 | NS | 0.009 | 0.0002 | 0.007 |
Microbial biomass C | NS | 0.001 | NS | NS | 0.016 | 0.640 | |
Total enzyme activity | NS | NS | NS | < 0.0001 | NS | NS | |
Specific enzyme activity | NS | 0.001 | 0.026 | < 0.0001 | < 0.0001 | 0.0002 |