Agriculture & Biology
ammonia
51%
ammonium
4%
Archaea
64%
Astragalus
12%
bacteria
16%
community structure
4%
fallow
5%
genes
1%
green manures
73%
least squares
5%
Lolium
5%
nitrification
30%
Nitrosospira
8%
nucleotide sequences
3%
oxidation
3%
paddy soils
79%
prokaryotic cells
64%
radishes
11%
rice
13%
soil
5%
soil pH
5%
winter
3%
Medicine & Life Sciences
Ammonia
70%
Ammonium Compounds
6%
Archaea
75%
Astragalus Plant
21%
Bacteria
20%
DNA Sequence Analysis
5%
Genes
2%
Least-Squares Analysis
5%
Lolium
8%
Manure
100%
Nitrification
46%
Oryza
24%
Raphanus
16%
Soil
66%
Earth & Environmental Sciences
ammonia
49%
ammonium
4%
analysis
1%
bacterium
19%
community structure
4%
DNA
4%
effect
2%
experiment
4%
fallow
5%
gene
3%
green manure
92%
green manuring
18%
milk
11%
modeling
2%
nitrification
23%
oxidation
3%
prokaryote
73%
rice
17%
soil
26%
winter
3%