DIGITALNA ARHIVA ŠUMARSKOG LISTA
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ŠUMARSKI LIST 1-2/1966 str. 30     <-- 30 -->        PDF

is applied. This represents a yield of 50 per cent of the dry weight of the wood.
For example, with an export price of 600 Swedish crowns per ton of pulp, we
can estimate the value of the wood in one case at 96 crowns, and in the other


HEIGHT CURVE FOR PLUS TREES OF SCOTS PINE
INCLUDED IN THE SEED ORCHARD Na1 IN
NORTHERN SWEDEN.


2^1 Mean height of the plus and check trees in m.
23
22


21
20
19
18


/ s


17-I
16
15-1
14
13-1
12


11
PLUS TREES
10 CHECK TREES
y,´/
^


80 120 160 200 240 280


yea rs
The age of the plus and check trees at breast height.


Fig. 3.