Agriculture & Biology
subsurface drainage
92%
pollution load
78%
drainage water
77%
edge effects
65%
wetlands
57%
total phosphorus
35%
tile drainage
32%
groundwater flow
18%
vegetation
14%
infiltration rate
13%
Ulmus
12%
groundwater
10%
field crops
10%
phosphorus
7%
nutrients
5%
nitrogen
5%
water
4%
Engineering & Materials Science
Wetlands
90%
Nutrients
73%
Drainage
63%
Phosphorus
47%
Water
31%
Tile
21%
Groundwater flow
15%
Watersheds
12%
Groundwater
11%
Infiltration
11%
Surface treatment
10%
Nitrogen
9%
Earth & Environmental Sciences
drainage water
67%
wetland
45%
nutrient
38%
phosphorus
28%
removal
15%
drainage
14%
surface treatment
11%
vegetation
11%
groundwater flow
9%
harvest
8%
creek
8%
budget
8%
infiltration
8%
recommendation
7%
watershed
7%
crop
7%
groundwater
5%
nitrogen
5%
rate
3%
water
2%
Chemical Compounds
Drainage Water
100%
Nutrient
63%
Phosphorus(.)
49%
Groundwater
31%
Reduction
26%
Filtration
12%
Flow
9%
Nitrogen
8%
Surface
4%