Keyphrases
Nitrate
100%
Illinois
100%
Tiling Systems
100%
Drainage Water Management
100%
Nitrate Loss
66%
Free Drainage
44%
Drainage Tiles
33%
Tile Flow
33%
Shallow Groundwater
22%
Retained Water
22%
Control Structure
11%
Control Method
11%
Production System
11%
Glycine Max
11%
Influence Zone
11%
To Determine the Effectiveness
11%
Water Loss
11%
Surface Water
11%
Field Techniques
11%
Nitrate Concentration
11%
Zea Mays
11%
Drainage System
11%
River Watershed
11%
Soybean Production
11%
Agricultural Fields
11%
Vermillion
11%
Water Restriction
11%
Nitrate Load
11%
Flow Loss
11%
No-till
11%
Corn Production
11%
Field Edge
11%
Flow Loads
11%
Paired Watersheds
11%
Water Level Control
11%
Watershed Approach
11%
Non-growing Season
11%
Water Quality Benefits
11%
Water Table Level
11%
Soil Water Management
11%
Agricultural and Biological Sciences
Return Flow
100%
Water Management
100%
Tile Drainage
30%
Maize
20%
Watersheds
20%
Surface Water
10%
Soil Water
10%
Groundwaters
10%
Soybean
10%
Drainage System
10%
Growing Season
10%
Water Table
10%
Field Technique
10%