Earth & Environmental Sciences
soil carbon
67%
dissolved organic carbon
62%
nutrient dynamics
55%
soil
49%
cropland management
38%
grassland
37%
carbon stock
37%
agricultural emission
32%
emission reduction
32%
agriculture
31%
farm
30%
land use
30%
organic carbon
30%
topsoil
28%
nitrogen
28%
life cycle analysis
27%
risk perception
26%
carbon sequestration
26%
wind turbine
23%
accounting
23%
absorbance
23%
biochar
23%
soil quality
23%
land management
22%
alternative energy
22%
agricultural soil
22%
fertilizer
22%
cattle
22%
carbon emission
21%
policy
21%
turbine
20%
forestry
20%
nutrient
19%
land use change
19%
mitigation
19%
greenhouse gas emissions
19%
analysis
18%
nutrient use efficiency
17%
meta-analysis
16%
decision making
16%
emission factor
15%
moorland
15%
nitrate
15%
effect
13%
climate change
13%
water flux
11%
budget
11%
comparison
10%
manure
9%
catchment
9%
Agriculture & Biology
dissolved organic carbon
29%
soil carbon
26%
carbon sinks
26%
soil solution
25%
collectors
24%
organic carbon
23%
soil organic carbon
21%
grasslands
18%
soil
15%
land use change
13%
land use planning
10%
Leptosols
10%
soil separates
8%
climate change
7%
Scotland
7%
sampling
7%
carbon sequestration
7%
sward
7%
methodology
7%
United Nations Framework Convention on Climate Change
7%
grassland soils
6%
economic productivity
5%
Engineering & Materials Science
Organic carbon
100%
Soils
36%
Risk perception
32%
Fertilizers
27%
Fluxes
21%
Decision making
15%
Water
9%
Groundwater
8%
Sampling
7%
Rivers
7%
Acids
5%
Lead
5%
