Agriculture & Biology
soil organic carbon
100%
soil organic matter
82%
carbon sinks
26%
carbon
21%
fractionation
18%
soil
16%
particulate organic matter
15%
dissolved organic carbon
14%
environmental management
14%
arable soils
12%
silt
12%
topsoil
12%
Switzerland
11%
clay
10%
grasslands
9%
pastures
8%
oxidation
8%
environmental factors
7%
biomass
6%
testing
4%
sampling
3%
methodology
2%
Earth & Environmental Sciences
soil organic matter
83%
organic carbon
49%
soil
37%
carbon
13%
fractionation
13%
organic matter
10%
physical method
10%
chemical method
9%
particulate organic matter
9%
arable land
8%
environmental management
7%
topsoil
7%
pasture
7%
dissolved organic carbon
7%
turnover
7%
silt
6%
environmental factor
6%
grassland
6%
material
6%
clay
5%
oxidation
5%
biomass
4%
test
3%
distribution
2%
rate
2%
analysis
2%