Engineering & Materials Science
Tile
100%
Watersheds
67%
Wetlands
38%
Rivers
38%
Nitrates
32%
Fertilizers
31%
Nitrogen fertilizers
22%
Nutrients
20%
Chlorophyll
19%
Denitrification
18%
Soils
17%
Surface waters
15%
Fluxes
12%
Seepage
11%
Nitrogen removal
9%
Water
9%
Runoff
8%
Metabolites
8%
Dissolved oxygen
8%
Crops
7%
Sulfates
6%
Gas emissions
6%
Greenhouse gases
6%
Temperature control
6%
Animals
5%
Sulfur
5%
Substrates
5%
Earth & Environmental Sciences
watershed
53%
maize
52%
nitrogen
43%
loss
25%
agricultural ecosystem
23%
river
23%
wetland
22%
nutrient
21%
soil
20%
drainage water
19%
crop
17%
herbicide
12%
surface water
12%
water
12%
denitrification
12%
bioreactor
11%
chlorophyll a
11%
fixation
11%
drainage system
9%
fertilizer application
9%
seepage
8%
nutrient uptake
8%
mutualism
8%
rhizobacterium
8%
rate
8%
crop yield
8%
agricultural management
7%
biomass
7%
soil nitrogen
7%
mass balance
6%
agricultural land
6%
subsoil
6%
sulfate
6%
water quality
5%
Agriculture & Biology
corn
33%
cover crops
30%
tiles
28%
soybeans
27%
tile drainage
27%
credit
22%
agroecosystems
22%
soil
18%
constructed wetlands
17%
nitrogen
17%
nitrates
17%
nutrient uptake
12%
wetlands
12%
Trifolium pratense
11%
crops
11%
drainage water
10%
seepage
9%
labile carbon
9%
mineralization
9%
phosphorus
9%
anion exchange resins
8%
growing season
8%
nitrogen cycle
8%
agricultural management
7%
subsoil
7%
crop yield
7%
mutualism
7%
water management
7%
agricultural soils
6%
field crops
6%
ecosystem services
6%
legumes
6%
nitrogen fixation
6%
weather
6%
Rhizobium
6%
agronomic traits
6%
composts
6%
Zea mays
5%
biomass production
5%
nutrients
5%
water
5%
nitrogen fertilizers
5%
resins
5%
biodiversity
5%
winter annuals
5%
