Treatment combinations of bulk density and watering regimes.
| Treatment | Descriptions of treatments |
|---|---|
| WW | Well-watered at field capacity and noncompacted (control 1.0 g/cm3) |
| WC | Well-watered at field capacity and compacted at bulk density 1.5 g/cm3 |
| UN | Unwatered and noncompacted (control 1.0 g/cm3) |
| UC | Unwatered and compacted at bulk density 1.5 g/cm3 |