Keyphrases
Legumes
100%
Crop Rotation
100%
Agricultural Area
100%
Water Pollutants
100%
Pollutant Reduction
100%
Water Quality
57%
Continuous Corn
57%
Alfalfa
42%
Corn-soybean Rotation
42%
Corn-soybean
28%
Cost-benefit
28%
Corn Crop
28%
Rotating System
28%
Loss Reduction
14%
Conventional System
14%
US Midwest
14%
Subsurface Drainage
14%
Land-grant Universities
14%
Pesticides
14%
Nitrogen Fertilizer
14%
Nutrient Management
14%
Nitrate-N Concentration
14%
N Loss
14%
Conservation Practices
14%
Cropping System
14%
Corn Rotation
14%
Cost Analysis
14%
Fertilizer Application Rate
14%
Management Scenarios
14%
Effective Conservation
14%
N Fertilizer Application
14%
Agricultural Conservation Practices
14%
Subsequent Crop
14%
Conventional Cropping System
14%
Crop Rotation System
14%
Drain Discharge
14%
Extended Rotation
14%
Cost Analysis Methods
14%
Agricultural and Biological Sciences
Maize
100%
Cropping System
14%
Application Rate
7%
Nutrient Management
7%
Fertilizer Application
7%
Subsurface Drainage
7%
Conservation Practices
7%
Agricultural Conservation Practice
7%