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In Experiments 1-7 inclusive the trees did not appear to be in 
any way injured by the fumigants. In every case the trees which 
were fumigated and planted out were less retarded in growth than 
those which were only transplanted. 
Experiment 8 was delayed in order to obtain a higher tempera- 
ture, and the transplantation at this latter date and not the 
fumigant appeared to injure the trees. 
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‘ 
Trees 
fumigated. 
Spruce and 
larch. 
V 
5? 
55 
55 
Scots pine. 
Spruce and 
larch. 
Spruce, 
larch, and 
Scots pine. 
Date of 
Fumigation. 
March 
21st. 
55 
March 
22 nd. 
55 
55 
March 
26th 
55 
April 
26th. 
Number of 
Experiment. 
1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
