Agriculture & Biology
tile drainage
100%
wetlands
58%
phosphorus
35%
nitrate nitrogen
30%
nitrates
30%
edge effects
26%
agricultural land
23%
overland flow
18%
subsurface drainage
18%
landowners
16%
drainage water
15%
subsoil
14%
Gulf of Mexico
14%
total phosphorus
14%
denitrification
14%
prairies
13%
vegetation
8%
prediction
8%
monitoring
7%
methodology
3%
Medicine & Life Sciences
Wetlands
85%
Nitrates
65%
Phosphorus
63%
Drainage
51%
Farms
27%
Nitrogen
23%
Gulf of Mexico
21%
Denitrification
19%
Grassland
17%
Water
16%
Soil
13%
Therapeutics
9%
Costs and Cost Analysis
7%
Earth & Environmental Sciences
wetland
46%
drainage
44%
nitrate
43%
phosphorus
43%
removal
25%
harvest
21%
agricultural land
19%
nitrogen
14%
landowner
13%
drainage water
13%
routing
12%
prairie
12%
subsoil
12%
outflow
10%
denitrification
10%
mass balance
10%
inflow
10%
gulf
8%
vegetation
7%
loss
6%
project
6%
cost
6%
prediction
5%
water
3%
method
2%
Social Sciences
wetland
80%
performance
27%
Water drainage
22%
recording
10%
Mexico
9%
water
9%
costs
6%
Chemical Compounds
Phosphorus(.)
50%
Flow
31%
Nitrate
27%
Drainage Water
20%
Denitrification
15%
Mass Balance
14%
Surface
3%