The influence of soil decompaction on bulk density over a 3-year period. VM (vertical mulching); WCM (wood chip mulching); WC (white clover).
| Treatment | Month 4 | Month 16 | Month 28 | Month 16 | Month 28 |
|---|---|---|---|---|---|
| Inside canopy | Outside canopy | ||||
| Control | 1.80d | 1.81c | 1.81c | 1.80d | 1.80d |
| VM | 1.68c | 1.50b | 1.40a | 1.69c | 1.62c |
| WCM | 1.69c | 1.55b | 1.51b | 1.68c | 1.60c |
| VM + WCM | 1.64bc | 1.41a | 1.40a | 1.66c | 1.60c |
| VM + WCM + worms | 1.59ab | 1.37a | 1.32a | 1.43a | 1.49b |
| VM + WC | 1.66bc | 1.41a | 1.38a | 1.68c | 1.59c |
| VM + WC + worms | 1.51a | 1.38a | 1.37a | 1.54b | 1.38a |
| Significance over time | |||||
| Month (time) | 0.967 | 0.943 | |||
| Treatment | < 0.001 | 0.001 | |||
| Month (time) × treatment | < 0.001 | 0.387 | |||
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.