Agriculture & Biology
carbon footprint
100%
hardwood forests
93%
soil carbon
88%
organic carbon
79%
sorption
76%
earthworms
76%
minerals
55%
soil organic matter
42%
A horizons
33%
B horizons
17%
surface area
15%
earthworm burrows
9%
clay minerals
8%
chronosequences
7%
Acer saccharum subsp. saccharum
7%
glaciation
7%
loess
7%
burrowing
6%
silt
6%
deciduous forests
6%
soil
5%
clay
5%
ecosystems
4%
carbon
3%
Earth & Environmental Sciences
earthworm
83%
soil carbon
75%
sorption
59%
organic carbon
56%
organic matter
32%
surface area
14%
last glaciation
7%
mineral matter
7%
chronosequence
7%
burrowing
7%
burrow
6%
ecosystem process
6%
deciduous forest
6%
Postglacial
6%
sugar
6%
loess
5%
vertical distribution
5%
silt
5%
soil
5%
North America
4%
consumption
4%
carbon
3%
effect
1%
Chemical Compounds
Organic Carbon
80%
Soil
62%
Mineral
59%
Organic Matter
55%
Sorption
51%
Carbon Atom
34%
Surface
23%
Surface Area
14%
Ecosystem
8%
Clay Mineral
8%