Subject
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Pine
2
Plant cells and tissues
1
Plantations
1
Provenance trials
3
Red maple
1
Red pine
2
Reforestation
2
Research
1
Scleroderris canker
1
Seed orchards
4
Seedlings
1
Seedlings, Container
1
Shelterwoods
1
Softwood
1
Soil ecology
1
Soil fumigation
1
Soils
1
Spruce
3
Spruce budworm
6
Tree farms
1
Trees
12
Trees in cities
1
Urban landscape architecture
1
Weight
1
Wood fuels
1
Wood waste
2
conifer
1
forests and forestry
1
fungus
1
hardwood
1
markets
1
testing
1