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Keyphrases
Illinois
53%
Soil Loss
47%
Nitrate-N
45%
Tillage Systems
31%
Water Quality
30%
Central Illinois
29%
Sediment Concentration
28%
Tillage Treatment
25%
Simulated Rainfall
25%
Rill
25%
Streamflow
24%
Silt Loam Soil
24%
Mississippi River Delta
23%
Riverine Nitrate
23%
TamA
22%
NO3-N
22%
Agricultural Watershed
21%
N Load
20%
Illinois River
20%
Conservation Tillage
20%
Contour Tillage
20%
Agriculture
19%
Total Phosphorus
18%
Nitrate
18%
Willmott's Index
17%
N Input
17%
Riverine
17%
Runoff Loss
15%
Tile Drainage
15%
Phosphorus Load
15%
Nitrate Concentration
15%
Corn Yield
15%
Nitrate Load
15%
N Export
14%
Moldboard
14%
Bioreactor
13%
Subsurface Drainage
13%
Corn Belt
13%
Crop Yield
13%
Temporal Variation
13%
Organic Carbon
13%
System of Systems
13%
Upper Mississippi River Basin
13%
Food-energy-water Systems
13%
Fertilizer
13%
Up-down
12%
Soil Erosion
12%
N Yield
12%
Gulf of Mexico
12%
Residue Cover
11%
Agricultural and Biological Sciences
Watersheds
100%
Water Quality
48%
Denitrification
34%
Agricultural Watersheds
34%
Silt Loam Soils
33%
Tile Drainage
26%
Losses from Soil
22%
Grain Yield
22%
Subsurface Drainage
17%
Growing Season
15%
Soil Erosion
15%
Grains
15%
Surface Water
15%
Soil Organic Matter
15%
Nitrogen Fertilizer
15%
Soil Water
13%
Conservation Tillage
13%
Rainfall Simulation
13%
Biofuel
13%
Fertilizer Application
13%
Spring
13%
Grassland
11%
Transportation
11%
Cropping System
11%
Hypoxemia
10%
Crop Management
10%
Sustainable Agriculture
10%
Return Flow
10%
Prairies
10%
Soil
10%
Mollisol
9%
Miscanthus
9%
Cropland
9%
Agroecosystem
9%
Best Management Practice
8%
Environmental Protection
8%
Adaptive Management
7%
Climate Change
7%
Soil Moisture
7%
Nitrogen Fixation
7%
Nitrogen Balance
6%
Crop Production
6%
Crop Biomass
6%
Field Plots
6%
Miscanthus giganteus
6%
Food Energy
6%
Drainage Ditch
6%
Committees
6%
Biomass Production
6%
Sediment Transport
6%
Earth and Planetary Sciences
Mississippi
57%
Nitrogen
52%
Illinois
50%
Streamflow
36%
Water Quality
34%
United States of America
30%
Gulf of Mexico
27%
Farmland
19%
Biofuel
17%
Temporal Variation
14%
Surface Water
14%
Rill
13%
Land Use Change
11%
Water Yield
10%
Inflow
10%
Nonpoint Source
9%
Ethanol
9%
Alcohol
9%
Land Use
8%
Growing Season
8%
Spatial Variation
8%
Trend Analysis
8%
Denitrification
7%
Loam
6%
Atmospherics
6%
Artificial Neural Network
6%
Soil Moisture
6%
Base Flow
6%
Carbon Flux
6%
Crop Growth
6%
Agricultural Engineering
6%
Hillslope
6%
Land Surface
6%
Physical Environment
6%
Agricultural Practice
6%
Energy Flux
6%
Organic Carbon
6%
Water Flow
6%
Surface Water Pollution
6%
Comparative Analysis
6%
Model Evaluation
6%
Soil
6%
Nitrogen Dioxide
5%
Water Flux
5%
Hydrology
5%
Leaf Area
5%
