Guidelines for predicting tree mortality caused by the spruce budworm, and measures for reducing losses / Canadian Forestry Service
| Corporate Authors: | Canadian Forestry Service |
|---|---|
| Published: |
Hull, Quebec :
Environment Canada, Canadian Forestry Service,
[1982?].
|
| Subjects: |
| Item Description: |
"Canada United States Spruce Budworms Program". |
|---|---|
| Physical Description: |
1 folded sheet : ill. |
| Language: | English |