Agriculture & Biology
grassland management
97%
oxidants
67%
ammonia
57%
species diversity
53%
Nitrosospira
41%
Nitrosomonas
40%
soil
21%
soil management
19%
Nitrosomonas europaea
13%
grassland soils
12%
soil heterogeneity
11%
oligonucleotide probes
10%
denaturing gradient gel electrophoresis
9%
Scotland
9%
genes
8%
microbial communities
8%
ammonium
8%
nitrogen fertilizers
7%
soil sampling
7%
pastures
6%
hybridization
6%
ribosomal RNA
6%
nucleotide sequences
5%
organisms
4%
phylogeny
4%
DNA
4%
Medicine & Life Sciences
Grassland
100%
Ammonia
78%
Soil
74%
Nitrosomonas
41%
Population
27%
Ribosomal DNA
24%
Nitrosomonas europaea
13%
Fertilizers
10%
Denaturing Gradient Gel Electrophoresis
9%
Ammonium Compounds
8%
Oligonucleotide Probes
8%
Genes
8%
Practice Management
8%
Polymerase Chain Reaction
8%
Scotland
7%
rRNA Genes
7%
16S Ribosomal RNA
7%
Microbiota
6%
DNA
3%
Earth & Environmental Sciences
species diversity
64%
grassland
56%
ammonia
54%
gene
26%
soil
25%
soil management
20%
grassland soil
10%
pasture
8%
amplification
8%
electrokinesis
8%
management practice
7%
fertilizer
7%
gel
7%
microbial community
7%
ammonium
7%
DNA
7%
phylogenetics
7%
probe
6%
organism
5%
station
4%
product
4%
analysis
2%
effect
2%