Agriculture & Biology
grassland management
90%
grassland soils
89%
bacterial communities
65%
community structure
60%
highlands
58%
rhizosphere
56%
pastures
50%
nitrogen
37%
soil
32%
Crenarchaeota
32%
denaturing gradient gel electrophoresis
24%
ammonium nitrate
24%
mineral fertilizers
22%
urine
17%
reverse transcriptase polymerase chain reaction
16%
ribosomal RNA
15%
sheep
14%
Earth & Environmental Sciences
rhizosphere
65%
pasture
61%
grassland soil
60%
grassland
39%
nitrogen
38%
soil
27%
community structure
27%
inorganic fertilizer
21%
ammonium nitrate
18%
sheep
17%
microcosm
16%
urine
16%
amplification
15%
electrokinesis
15%
effect
14%
gel
13%
incubation
13%
experiment
12%
analysis
4%
Medicine & Life Sciences
Rhizosphere
100%
Grassland
92%
Soil
69%
Nitrogen
63%
Crenarchaeota
19%
ammonium nitrate
19%
Fertilizers
16%
Denaturing Gradient Gel Electrophoresis
14%
16S Ribosomal RNA
11%
Sheep
9%
Urine
7%
Polymerase Chain Reaction
6%