Table 1.
Daily N2O and CO2 emissions
| Treatment | Avg (SE) levela on: |
|||||
|---|---|---|---|---|---|---|
| Day 5 |
Day 18 |
Day 89 |
||||
| N2O | CO2 | N2O | CO2 | N2O | CO2 | |
| S | 0.067 (0.022) A | 121 (32) A | 0.015 (0.005) A | 75 (16) A | 0.017 (0.001) A | 69 (16) A |
| SM | 0.063 (0.033) A | 742 (17) C | 0.010 (0.005) A | 504 (15) C | 0.024 (0.005) A | 374 (18) C |
| ST | 0.077 (0.022) A | 533 (26) B | 0.029 (0.002) A | 332 (16) B | 0.022 (0.008) A | 270 (20) B |
| STR | 0.106 (0.036) A | 582 (26) B | 0.059 (0.012) B | 332 (17) B | 0.071 (0.016) B | 302 (20) B |
| STC | 0.059 (0.015) A | 568 (39) B | 0.055 (0.012) B | 303 (13) B | 0.017 (0.004) A | 292 (6) B |
| STRC | 0.099 (0.017) A | 597 (26) B | 0.101 (0.012) C | 339 (21) B | 0.050 (0.011) B | 282 (8) B |
a
N2O units are reported as N2O-N hour−1 kg of soil−1; CO2 levels are reported as μg CO2-C hour−1 kg of soil−1. Significant differences within sampling day are represented by different uppercase letters.