Block effects on initiation of stem growth. Blocks 1 and 2 are situated on the northern side of Frederikssundsvej; blocks 3 and 4 are situated on the southern side.
| Block | Start of stem growth (day of year) |
|---|---|
| 1 | 121 (30 April) a* |
| 2 | 121 (30 April) a |
| 3 | 128 (7 May) b |
| 4 | 128 (7 May) b |
| Park trees | 131 (10 May) b |
↵* Values in columns differ significantly when followed by different letters (according to LSD test, P < 0.05).