Subject
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Costs
2
Crop rotation
1
Cull tree felling
1
Cutover lands
1
Data
1
Debris
1
Economic analysis
3
Economic aspects
8
Economics
3
Ecosystems
3
Effect of logging on
2
Electric power
1
Electricity
2
Energy
3
Energy conservation
3
Energy conversion
2
Energy crops
10
Energy development
1
Energy management
1
Energy models
1
Energy policy
3
Energy resources development
1
Energy sources
2
Environment
1
Environmental aspects
9
Environmental assessment
1
Environmental impacts
8
Environmental policy
1
Equations
1
Equipment and supplies
1
Ethanol fuels
4
Evaluation
2
Feasibility studies
1
Feed dispensers
1
Fermentation
1
Forest Biomass
1
Forest and forestry
1
Forest biomass
51
Forest ecology
8
Forest ecosystems
1
Forest fuels
1
Forest machinery
3
Forest management
12
Forest monitoring
1
Forest policy
1
Forest productivity
1
Forest products
8
Forest products industry
4
Forest resources
3
Forest site quality
1
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