Agriculture & Biology
bacteria
7%
biodegradation
13%
carbon
45%
clay
65%
clay minerals
20%
corn
43%
degradation
17%
ecosystems
10%
food webs
15%
fractionation
11%
grazing
11%
inoculum
11%
isotope fractionation
99%
isotopes
14%
kaolinite
100%
leaves
30%
microorganisms
9%
montmorillonite
70%
Protozoa
26%
sand
47%
soil
35%
soil organic matter
39%
Earth & Environmental Sciences
bacterium
8%
biodegradation
12%
carbon
39%
clay
46%
clay mineral
12%
decomposition
20%
ecosystem
8%
food web
13%
fractionation
11%
grazing
12%
isotope
10%
isotopic fractionation
83%
kaolinite
66%
maize
62%
material
5%
microcosm
29%
microorganism
10%
montmorillonite
58%
organic matter
18%
respiration
12%
sand
34%
soil
29%
soil organic matter
13%
turnover
63%
Medicine & Life Sciences
Bacteria
9%
Bentonite
86%
Carbon
69%
Clay
98%
Ecosystem
15%
Food Chain
19%
Isotopes
15%
Kaolin
99%
Minerals
13%
Respiration
11%
Sand
77%
Soil
75%
Zea mays
86%