Subject
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Tree planting
2
White ash
2
Wood
2
Woodlots
2
Abnormalities
1
Afforestation
1
Application
1
Ash (Plants)
1
Bark
1
Biodiversity
1
Branching (Botany)
1
Brush
1
Computer programs
1
Computer simulation
1
Congresses
1
Crown lands
1
Defects
1
Defoliation
1
Deterioration
1
Ecology
1
Economic analysis
1
Economics
1
Ecotourism
1
Emerald ash borer
1
Evaluation
1
Fernow Experimental Forest (W.Va.)
1
Fertilization
1
Fir
1
Forest insects
1
Forest inventories
1
Forest nurseries
1
Forest plants
1
Forest productivity
1
Forest products
1
Forest products industry
1
Forestry practices
1
Genetics
1
Grwoth
1
Gypsy moth
1
HYDROLOGY
1
Hardwood
1
Harvesting
1
Herbicides
1
Humus
1
Identification
1
Insects
1
Lindens
1
Lumber industry
1
Machinery
1
Maple
1
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