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Subject: Sugar maple
DNR Office
Author
7
Northeastern Forest Experiment Station (Radnor, Pa.)
4
United States. Forest Service
2
Donnelly, John R
2
Garrett, Peter W., 1933-
2
North Central Forest Experiment Station (Saint Paul, Minn.)
1
Allen, D. C.
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1
Allen, Douglas C.
1
Arp, Paul A.
1
Beaton, John A.
1
Bragg, Don C.
1
Burkman, W. G.
1
Burton, David
1
Canadian Forest Service
1
Canadian Forestry Service. Great Lakes Forest Research Centre
1
Carl, Clayton M
1
Cornell University
1
Dudzik, Kenneth R.
1
Erdmann, Gayne G.
1
Forestry Canada
1
Godman, Richard M
1
Gonzalez, A.
1
Graber, Raymond E
1
Great Lakes Forest Research Centre
1
Grisez, Ted J
1
Horsley, Stephen B. 1943-
1
Houston, David R.
1
Hubert, G.
1
Keys, Kevin
1
Lachance, D.
1
Lachance,Denis
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Subject
Sugar maple
3
Growth
3
Tapping
3
Trees
2
Clearcutting
2
Defects
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2
Diseases and pests
2
Ecology
2
Forest soils
2
Forests and forestry
2
Maples
2
Research
2
Wood
2
Yellow birch
1
Abnormalities
1
Economic aspects
1
Fertilization
1
Fertilizers
1
Forest damage
1
Forest declines
1
Forest management
1
Forest site quality
1
Forest thinning
1
Grading
1
Hardwoods
1
Health
1
Management
1
Maple sugar industry
1
Maple syrup
1
Maple syrup industry
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Place
Collection
Year of Publication