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Subject: Control
Author
15
Canadian Forestry Service
6
Canada. Environment Canada
5
Canada/United States Spruce Budworms Program
4
Forest Pest Management Institute (Canada)
4
Laurentian Forestry Centre
4
Maritimes Forest Research Centre
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4
Smith, T. D.
3
Maine. Bureau of Forestry
3
Northeastern Forest Experiment Station (Radnor, Pa.)
3
Nova Scotia. Dept. of Lands and Forests
3
United States. Cooperative State Research Service
2
British Columbia. Ministry of Forests
2
Canadian Forest Service
2
Canadian Forestry Service annual forest pest control forum Hull, P.Q.)
2
Canadian Forestry Service annual forest pest control forum Ottawa, Ontario)
2
Carter, Nelson E.
2
Chemical Control Research Institute (Canada)
2
Georgeson, E.
2
IEA Coal Research
2
Kettela, E. G.
2
New Brunswick Committee for Environmental Monitoring of Forest Insect Control Operations (EMOFICO)
2
New Brunswick Department of Natural Resources and Energy
2
Newfoundland Forest Research Centre
2
Nova Scotia Department of Lands and Forests. Entomological Services
2
Nova Scotia. Dept of Lands and Forests
2
Richardson, J.
2
Smirnoff, W. A.
2
Smith, C. C.
2
United States. Forest Service
2
University of New Brunswick
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Subject
Control
50
Spruce budworm
25
Diseases and pests
25
Forest insects
18
Pests
12
Forests and forestry
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11
Aerial spraying and dusting in forestry
11
Insect pests
10
Trees
9
Spruce
9
Weeds
8
Bacillus thuringiensis
8
Pesticides
7
Environmental aspects
7
Forest management
7
Insecticides
6
Congresses
6
Gypsy moth
5
Application
5
Biological control
5
Forest protection
5
Herbicides
4
Behavior
4
Coyote
4
Coyotes
4
Ecology
4
Pest management
4
Toxicology
4
Weed control
3
Brush
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Place
26
Canada
22
Nova Scotia
16
New Brunswick
15
United States
6
Maine
3
British Columbia
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3
Maritime Provinces
3
Newfoundland and Labrador
2
Atlantic Provinces
2
North America
1
Atlantic Canada
1
Cape Breton Island
1
North East
1
Northeast
1
Northeastern States
1
Québec (Province)
1
Vermont
1
World
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Collection
Year of Publication