Table 3.
Treatment | Carbon input (g) | Carbon output (g) | Uncounted C (g) | Degradation rate: k (g d−1) | ||||
---|---|---|---|---|---|---|---|---|
Soil carbon | Residues carbon | Total carbon |
Emission carbon | Residual carbon |
Apparent C balance | |||
Water levels (W) | ||||||||
MC | 0.92 | 0.20 | 1.12 | 0.072 | 1.012 | 1.084 | 0.036 | 0.007 |
FC | 0.92 | 0.20 | 1.12 | 0.058 | 1.032 | 1.090 | 0.030 | 0.005 |
| ||||||||
Organic residues (OR) | ||||||||
Soil | 0.92 | 0.00 | 0.92 | 0.040 | 0.870 | 0.911 | 0.010 | 0.008 |
Soil + RS | 0.92 | 0.25 | 1.17 | 0.060 | 1.050 | 1.109 | 0.061 | 0.003 |
Soil + RR | 0.92 | 0.25 | 1.17 | 0.076 | 1.025 | 1.101 | 0.069 | 0.005 |
Soil + CD | 0.92 | 0.25 | 1.17 | 0.054 | 1.105 | 1.160 | 0.011 | 0.005 |
Soil + PM | 0.92 | 0.25 | 1.17 | 0.095 | 1.060 | 1.155 | 0.015 | 0.008 |
| ||||||||
Interaction (W × OR) | ||||||||
MC × soil | 0.92 | 0.00 | 0.92 | 0.043 | 0.870 | 0.913 | 0.007 | 0.008 |
MC × soil + RS | 0.92 | 0.25 | 1.17 | 0.065 | 0.990 | 1.053 | 0.117 | 0.001 |
MC × soil + RR | 0.92 | 0.25 | 1.17 | 0.084 | 1.060 | 1.144 | 0.026 | 0.008 |
MC × soil + CD | 0.92 | 0.25 | 1.17 | 0.054 | 1.100 | 1.154 | 0.016 | 0.005 |
MC × soil + PM | 0.92 | 0.25 | 1.17 | 0.114 | 1.040 | 1.154 | 0.016 | 0.010 |
FC × soil | 0.92 | 0.00 | 0.92 | 0.038 | 0.870 | 0.908 | 0.012 | 0.008 |
FC × soil + RS | 0.92 | 0.25 | 1.17 | 0.055 | 1.110 | 1.165 | 0.005 | 0.004 |
FC × soil + RR | 0.92 | 0.25 | 1.17 | 0.068 | 0.990 | 1.058 | 0.112 | 0.001 |
FC × soil + CD | 0.92 | 0.25 | 1.17 | 0.055 | 1.110 | 1.165 | 0.005 | 0.004 |
FC × soil + PM | 0.92 | 0.25 | 1.17 | 0.076 | 1.080 | 1.156 | 0.014 | 0.007 |
LSD0.05 | ||||||||
W | NS | NS | NS | 0.013 | NS | NS | 0.005 | 0.002 |
OR | NS | 0.016 | 0.072 | 0.016 | 0.143 | 0.113 | 0.016 | 0.005 |
W × OR | NS | NS | NS | NS | NS | NS | 0.023 | 0.022 |