The amount of non-compacted soil installed in each plot. The space available in each plot was 1.1 m3. Numbers with the same letter indicate that there are no significant differences among treatments (SNK p = 0.05).
| Treatment | Volume of non-compacted soil installed (m3) |
|---|---|
| Control (non-compacted) | 2.1 b |
| Stratacell | 1.8 a |
| Silva cell | 2.0 b |
| Sand-based structural soil | 2.5 c |
| Gravel-based structural soil | 2.5 c |
| Control (compacted) | 2.5 c |