Agriculture & Biology
nitrification
65%
acid soils
59%
oxidants
53%
Archaea
52%
community structure
51%
ammonia
45%
ammonia monooxygenase
21%
tea
18%
bacteria
17%
soil pH
13%
orchard soils
13%
soil
9%
restriction fragment length polymorphism
8%
forest soils
5%
coniferous forests
4%
long term effects
4%
niches
3%
quantitative polymerase chain reaction
3%
sequence analysis
3%
oxidation
3%
genes
3%
genotype
2%
nitrogen
2%
Medicine & Life Sciences
Nitrification
100%
Ammonia
62%
Archaea
61%
Soil
59%
ammonia monooxygenase
27%
Bacteria
21%
Tea
20%
Restriction Fragment Length Polymorphisms
9%
Forests
5%
Fertilization
4%
Nitrogen
4%
Sequence Analysis
4%
Genes
3%
Genotype
3%
Polymerase Chain Reaction
2%
Growth
2%
Population
1%
Earth & Environmental Sciences
nitrification
50%
community structure
46%
ammonia
43%
soil
23%
tea
17%
bacterium
16%
orchard
8%
polymorphism
7%
gene
5%
genotype
3%
long-term effect
3%
forest soil
3%
niche
3%
community composition
3%
pH-value
3%
pine
3%
rate
2%
oxidation
2%
nitrogen
2%
analysis
1%