Earth & Environmental Sciences
phosphorus
76%
surface water
74%
agriculture
42%
loss
40%
water quality
39%
groundwater
38%
agricultural land
37%
mitigation
36%
catchment
35%
soil
35%
diffuse pollution
32%
Water Framework Directive
32%
nutrient loss
30%
grassland soil
30%
soil water
28%
buffer zone
27%
side effect
27%
uncertainty analysis
25%
soil texture
25%
cost
24%
nutrient
24%
kriging
23%
point source
22%
legislative process
20%
water flow
20%
river
17%
policy
17%
development model
16%
agricultural soil
15%
modeling
14%
goods and services
14%
atmosphere
13%
ecosystem
13%
river basin
13%
source of pollution
13%
mitigation measure
12%
surface water management
12%
need
12%
ecological status
12%
evaluation
11%
regulation
11%
peat soil
10%
rural area
10%
Richards equation
10%
crop
9%
soil layer
9%
watershed
8%
manure
8%
effect
8%
vadose zone
8%
sandy soil
8%
interpolation
8%
pollution
7%
water
7%
habitat
7%
environmental target
7%
eutrophication
7%
evapotranspiration
7%
nitrogen
7%
pollutant
6%
solute
6%
leaching
6%
boundary condition
6%
mowing
6%
program
6%
method
6%
runoff
6%
sediment
5%
simulated annealing
5%
experiment
5%
animal production
5%
variogram
5%
seepage water
5%
productivity
5%
sensitivity analysis
5%
clay soil
5%
Agriculture & Biology
saturated flow
44%
surface water
41%
kriging
33%
animal manure management
32%
German Federal Republic
29%
soil texture
28%
Netherlands
27%
agricultural land
26%
Belgium
25%
European Union
24%
groundwater
21%
soil water
20%
soil
17%
phosphorus
17%
environmental factors
17%
seepage
16%
nutrients
14%
eutrophication
13%
agricultural soils
13%
sandy soils
12%
water quality
11%
leaching
11%
barns
10%
ammonia
9%
preferential flow
9%
management systems
8%
water
8%
sampling
8%
animal manures
8%
marine sediments
8%
vadose zone
8%
Richards' equation
8%
peat soils
8%
case studies
8%
high water table
7%
subsoil
7%
clay soils
6%
runoff
6%
soil profiles
6%
topsoil
6%
methodology
6%
animal production
6%
peat
6%
laws and regulations
6%
mineralization
5%
autocorrelation
5%
soil organic matter
5%
clay
5%
nutrient management
5%
water management
5%
annealing
5%
evapotranspiration
5%
Engineering & Materials Science
Phosphorus
100%
Surface waters
80%
Catchments
71%
Water quality
67%
Soils
46%
Rivers
39%
Pollution
32%
Uncertainty analysis
28%
Ecosystems
25%
Nutrients
20%
Textures
18%
Sediments
17%
Groundwater
17%
Uncertainty
14%
Agriculture
12%
Peat
11%
Nitrogen
10%
Costs
9%
Eutrophication
8%
Runoff
7%
Manures
7%
Seepage
6%
Leaching
6%
Clay
5%