The influence of soil decompaction on tree canopy density over a 3-year period. VM (vertical mulching); WCM (wood chip mulching); WC (white clover).
| Treatment | Month 4 | Month 16 | Month 28 |
|---|---|---|---|
| Control | 47.5a | 49.0a | 50.0a |
| VM | 50.0ab | 52.0ab | 55.5ab |
| WCM | 50.5ab | 53.5ab | 57.5bc |
| VM + WCM | 52.5ab | 56.0bc | 61.0bcd |
| VM + WCM + worms | 54.5b | 57.0bc | 62.5cd |
| VM + WC | 54.5b | 57.5bc | 64.5de |
| VM + WC + worms | 54.5b | 60.0c | 68.5e |
| Significance over time | |||
| Month (time) | 0.602 | ||
| Treatment | 0.010 | ||
| Month (time) × treatment | 0.200 | ||
Numbers within a column followed by a common letter are not significantly different according to Tukey’s honestly significance test (P = 0.05). For treatment description, see Materials and Methods (Winn and Araman 2010).