Earth & Environmental Sciences
nanomaterial
72%
soil column
70%
graphite
64%
fertilizer
55%
additive
51%
leaching
48%
nitrate
46%
experiment
25%
soil
16%
agricultural soil
13%
residence time
11%
dose
9%
unsaturated flow
8%
nitrogen
7%
loss
6%
immobilization
6%
dissolved organic matter
6%
microbial activity
6%
dissolved organic carbon
6%
leachate
5%
nitrification
5%
denitrification
5%
organic carbon
4%
irrigation
4%
temperature
4%
crop
4%
effect
4%
surface water
4%
hydraulics
4%
contamination
4%
biomass
3%
groundwater
3%
comparison
2%
water
1%
Engineering & Materials Science
Fertilizers
81%
Nitrates
80%
Nanostructured materials
79%
Leaching
77%
Graphite
63%
Soils
50%
Experiments
22%
Organic carbon
12%
Nitrogen fertilizers
7%
Nitrification
6%
Denitrification
5%
Surface waters
5%
Biological materials
5%
Greenhouses
4%
Irrigation
4%
Groundwater
4%
Graphene
4%
Contamination
3%
Nitrogen
3%
Biomass
3%
Temperature
3%
Hydraulics
3%
Chemical Compounds
Fertilizer
78%
Leaching
57%
Soil
54%
Nitrate
48%
Graphite
46%
Nanomaterial
40%
Column Like Crystal
38%
Additive
23%
Residence Time
8%
Nitrogen Fertilizer
7%
Microbial Biomass
6%
Dose
6%
Nitrification
6%
Irrigation
6%
Denitrification
5%
Flow
5%
Organic Carbon
4%
Groundwater
4%
Organic Matter
4%
Surface Water
4%
Graphene
3%
Nitrogen
2%
Gas
2%
Application
1%
Medicine & Life Sciences
Fertilizers
100%
Graphite
87%
Nanostructures
75%
Nitrates
70%
Soil
69%
Carbon
7%
Nitrogen
7%
Nitrification
7%
Denitrification
6%
Lettuce
6%
Groundwater
5%
Temperature
5%
Water
5%
Biomass
4%
Immobilization
4%
Social Sciences
experiment
38%
Surface waters
11%
irrigation
9%
environmental pollution
8%
water
6%
time
5%
cause
4%