Keyphrases
United States
100%
Excess Nitrogen
100%
Agriculture
37%
Nitrogen Cycle
37%
Human Health
25%
Livestock
25%
Air Quality
25%
Transportation Sector
25%
Mitigation Options
25%
Nitrogen Loss
25%
Energy Sector
25%
Reactive Nitrogen
25%
Nitrogen Emissions
25%
Nitrate
12%
Drinking Water
12%
Ammonia
12%
Energy Production
12%
Effective Solutions
12%
Energy Sources
12%
Industrial Sources
12%
Food Production
12%
Climate Change
12%
Agricultural Industry
12%
Health Impact
12%
Effective Management
12%
Innovative Applications
12%
Negative Consequences
12%
Intensive Development
12%
Nitrogen Oxides
12%
Biodiversity
12%
Ammonia Emission
12%
Biosphere
12%
Support System
12%
Sewage
12%
Invasive Species
12%
Water Quality
12%
Carbon Cycle
12%
Agricultural Production
12%
Carbon (C) Cycle
12%
Health Risk
12%
Warming Effect
12%
Low Oxygen
12%
Eastern United States
12%
Nitrogen Oxide Emissions
12%
Policy System
12%
Environmental Health
12%
Native Species
12%
Coral Disease
12%
Management Policy
12%
Nutrient Loading
12%
Met Demand
12%
Food Fibers
12%
Pathogenic Infection
12%
Cooling Effect
12%
Birth Defects
12%
High Nitrogen Concentration
12%
Agricultural Support
12%
Air Pollution
12%
Diarrheal Disease
12%
Available Nitrogen
12%
Ecosystem Biodiversity
12%
Agricultural Extension
12%
Fish Disease
12%
Intended Use
12%
Land Surface Water
12%
Environmental Health Impacts
12%
Well Water
12%
Coastal Systems
12%
Vector-borne Infections
12%
Agricultural Emissions
12%
Agriculture Development
12%
State Agricultural Policy
12%
Water Pollutants
12%
Nutrient Loss
12%
Earth and Planetary Sciences
United States
100%
Emissions
44%
Human Health
22%
Nitrogen Oxide
22%
Nitrogen Cycle
22%
Air Quality
22%
Energy Production
11%
Air Pollution
11%
Climate Change
11%
Water Pollution
11%
Carbon Cycle
11%
Support System
11%
Agricultural Policy
11%
Agricultural Production
11%
Environmental Health
11%
Potable Water
11%
Water Pollutant
11%
Nutrient Loss
11%
Agricultural Emission
11%
Agricultural Extension
11%
Native Species
11%
Well Water
11%
Invasive Species
11%
Agricultural and Biological Sciences