Agriculture & Biology
volcanic soils
85%
methanotrophs
76%
grassland soils
76%
nitrification
65%
ammonia
45%
ammonium
30%
Archaea
28%
methane
21%
nitrites
16%
oxidants
16%
oxidation
12%
bacteria
12%
Methylosarcina
11%
Methylomicrobium
10%
isotope labeling
7%
terrestrial ecosystems
6%
nitrogen
6%
biogeochemical cycles
6%
soil microorganisms
5%
stable isotopes
5%
lifestyle
5%
microorganisms
3%
energy
3%
soil
2%
genes
1%
Medicine & Life Sciences
Nitrification
100%
Grassland
79%
Ammonia
62%
Soil
59%
Methylococcaceae
43%
Ammonium Compounds
41%
Archaea
33%
Methane
30%
Autotrophic Processes
20%
Nitrites
18%
Bacteria
11%
Nitrogen
10%
Isotope Labeling
8%
Ecosystem
6%
Life Style
4%
Genes
2%
Earth & Environmental Sciences
volcanic soil
76%
grassland soil
69%
nitrification
50%
ammonia
43%
methane
33%
bacterium
27%
ammonium
27%
nitrite
15%
oxidation
10%
nitrogen
6%
soil microorganism
6%
biogeochemical cycle
6%
lifestyle
5%
microcosm
5%
labeling
5%
terrestrial ecosystem
5%
stable isotope
4%
incubation
4%
gene
4%
microorganism
4%
fold
4%
substrate
3%
energy
2%
soil
2%
experiment
2%
effect
1%