CO4.4 Seedlings and transplants - open ground
general - root collar diameter - cell grown trees - seedlings and transplants (open) - seedlings and transplants (container) - girth
For Seedlings and Transplants, Root Collar Diameters will be a minimum of 3 mm and be graded in one or two mm bands, increasing with height and species, e.g. 3/4, 4/6, 6/8, 8/10 or 10/12.
The following table indicates some typical root collar diameters for
open ground forestry conifers.
|
Minimum root collar diameter (mm) for heights (in cms) not less than: |
|||||||||
|
Species |
7.5 |
10 |
15 |
20 |
25 |
30 |
40 |
50 |
60 |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
|
|
5.0 |
6.0 |
6.5 |
8.0 |
9.0 |
||||
|
4.0 |
4.5 |
5.0 |
6.5 |
7.5 |
8.5 |
|||
|
2.5
|
3.5
|
4.0
|
5.0 |
6.0
|
6.5 |
|||
|
3.0 |
4.0 |
4.5 |
5.0 |
6.5 |
8.0 |
9.5 |
||
|
3.0 |
3.0 |
4.0 |
4.5 |
5.5 |
6.5 |
8.0 |
9.5 |
|
|
3.0 |
3.5 |
4.0 |
5.0 |
6.0 |
||||
|
2.5 |
3.0 |
3.5 |
4.0 |
5.0 |
5.5 | |||