Agriculture & Biology
carbon sinks
100%
soil organic carbon
94%
reproducibility
84%
fractionation
70%
carbon
54%
methodology
22%
ultrasonics
20%
soil
15%
land use planning
15%
particulate organic matter
14%
dissolved organic carbon
14%
soil separates
13%
sieving
12%
energy
12%
sieves
12%
organic carbon
11%
fallow
10%
simulation models
10%
soil organic matter
9%
functional properties
9%
water
8%
climate
8%
minerals
7%
Earth & Environmental Sciences
fractionation
69%
organic carbon
64%
carbon
46%
soil
35%
method
18%
laboratory
10%
sieving
8%
fallow
8%
particulate organic matter
7%
used water
7%
energy
6%
dissolved organic carbon
6%
slurry
6%
turnover
6%
trial
5%
organic matter
4%
land use
4%
mineral
3%
climate
3%
simulation
3%
distribution
2%
water
2%