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| Treatments | Soil CO2 (%) | Soil O2 (%) | Water content (WHC%) |
|---|---|---|---|
| Control | <1.0 | 21.4 (±0.02) | 54.6 (±3.8) |
| 10% CO2 | 10.2 (±0.27) | 20.1 (±0.05) | 54.8 (±3.7) |
| 20% CO2 | 19.9 (±0.28) | 19.0 (±0.07) | 55.1 (±4.8) |
| 40% CO2 | 40.0 (±0.29) | 14.4 (±0.8) | 56.0 (±5.4) |
| WATER | <1.0 | 21.5 (±0.01) | 31.8 (±2.9) |
| WATER + CO2 | 39.9 (±0.25) | 14.4 (±0.11) | 31.9 (±4.3) |
