Agriculture & Biology
phosphorus
71%
mixed grazing
52%
Netherlands
48%
surpluses
48%
kriging
44%
animal manure management
43%
grazing systems
39%
German Federal Republic
39%
surface water
39%
agricultural land
38%
mowing
38%
soil texture
38%
forage
36%
phosphorus content
35%
Belgium
34%
grasslands
33%
European Union
33%
pastures
25%
soil
25%
peat
24%
environmental factors
23%
seepage
22%
animal manures
22%
grasses
19%
water quality
19%
nutrients
19%
leaching
19%
eutrophication
18%
clay soils
18%
agricultural soils
17%
sandy soils
17%
clay
14%
barns
14%
soil buffering capacity
13%
ammonia
13%
preferential flow
12%
sand
12%
management systems
12%
sampling
11%
marine sediments
11%
peat soils
10%
high water table
10%
subsoil
9%
runoff
9%
soil profiles
8%
topsoil
8%
fertilizers
8%
groundwater
8%
methodology
8%
animal production
8%
laws and regulations
8%
dry matter accumulation
8%
mineralization
7%
autocorrelation
7%
soil organic matter
7%
soil quality
7%
annealing
7%
production technology
6%
water
6%
excretion
6%
feces
6%
minerals
5%
manure storage
5%
animal housing
5%
case studies
5%
uptake mechanisms
5%
Earth & Environmental Sciences
phosphorus
100%
soil
50%
grassland soil
40%
loss
39%
surface water
37%
soil texture
34%
kriging
32%
pasture
30%
surplus
30%
agricultural land
28%
leaching
27%
grassland
22%
agriculture
22%
agricultural soil
20%
need
17%
river
15%
peat soil
14%
manure
14%
rate
14%
grass
14%
water quality
13%
dry matter
12%
crop
12%
soil layer
12%
arable land
11%
peat
11%
long-term effect
11%
crop yield
11%
sandy soil
10%
interpolation
10%
effect
10%
runoff
10%
environmental target
9%
eutrophication
9%
trial
8%
mowing
8%
indicator
8%
method
8%
sand
8%
clay
8%
simulated annealing
7%
experiment
7%
animal production
7%
variogram
7%
seepage water
7%
Water Framework Directive
7%
clay soil
6%
quality standard
6%
trend
6%
preferential flow
6%
autocorrelation
6%
water table
5%
production system
5%
subsoil
5%
literature review
5%
ammonium
5%
topsoil
5%
marine sediment
5%
soil profile
5%
Engineering & Materials Science
Phosphorus
77%
Soils
50%
Surface waters
34%
Rivers
31%
Textures
25%
Peat
15%
Water quality
12%
Eutrophication
11%
Runoff
10%
Manures
10%
Seepage
8%
Leaching
8%
Clay
6%