Agricultural and Biological Sciences
Biomass
100%
Agroforestry
89%
Perennials
69%
Crops
64%
Trees
63%
Forests
54%
Land Use
52%
Alley Cropping
49%
Nutrients
42%
Farmers
38%
Case Studies
36%
Cropping System
32%
National Forests
32%
Fuels
32%
Bioenergy
32%
Community Forestry
32%
Forest Management
24%
Evolution
22%
Salix
20%
Land
20%
Fish
20%
Forest Communities
20%
Farm Animal
19%
Fields
18%
Environment
18%
Biosphere
18%
Vegetable
17%
Alnus
16%
Algae
16%
Subsurface Drainage
16%
Forage
16%
Root Crops
16%
Roots
16%
Return Flow
16%
Marshland
16%
Governance
16%
Woodland
16%
Grazing
16%
Storage
16%
Aquaponics
16%
Snow
16%
Fences
16%
Microalgae
16%
Germplasm
16%
Research
15%
Photosynthetically Active Radiation
13%
Crop Yield
13%
Forestry
11%
Agricultural Science
10%
Polyculture
9%
Earth and Planetary Sciences
Agroforestry
49%
Strategy
40%
Minnesota
36%
Land Use
32%
Management
32%
Forestry
27%
Investigation
26%
Policy
23%
Cost
19%
Model
19%
Farm
19%
Project
19%
Utilization
18%
Biomass
16%
Central America
16%
India
16%
Treatment Wetland
16%
Implication
16%
Community Forestry
16%
Phosphorus
16%
Tile
16%
Caribbean
16%
Norm
16%
Guatemala
16%
United States of America
16%
Industry
16%
Runoff
16%
Conservation
16%
Effort
15%
Land
13%
Removal
13%
Market
12%
Environmental Policy
12%
Harvest
12%
State
10%
Value
9%
Water Resource
9%
Support
9%
Forest Management
9%
Emerging
8%
Tree (Plant)
8%
Right
7%
Nitrogen
6%
Watershed
6%
Farmland
6%
Activation
6%
Responsibility
6%
Nation
6%
Plant
6%
Edge
6%
Social Sciences
Forestry
49%
Community
44%
Case Studies
36%
Farmers
35%
Agroforestry
32%
Costs
32%
Community-Based
32%
Forests
29%
Project
23%
Success
20%
Crops
19%
Caribbean
19%
Enterprises
19%
Policy
19%
Trees
18%
Mayas
18%
Guatemala
17%
Application
17%
Biomass Energy
16%
Governance
16%
Central America
16%
Approach
16%
Time
16%
India
16%
Evolution
16%
Understanding
16%
Markets
16%
Forest Management
14%
Production
10%
Practice
8%
Incentive
7%
Economic and Social Development
7%
Adoption
6%
Communities
6%
Analysis
6%
Evaluation
5%
Research
5%
Income
5%
Support
5%
Biofuel
5%
Uncertainty
5%
Identity
5%
Guides
5%
Resources Management
5%
Profits
5%