Agriculture & Biology
grassland soils
96%
nitrogen cycle
90%
stoichiometry
76%
carbon nitrogen ratio
72%
mineralization
68%
dissolved organic matter
67%
grasslands
59%
microbial biomass
50%
nutrients
41%
ecosystems
34%
leucyl aminopeptidase
28%
terrestrial ecosystems
28%
soil
23%
South Africa
20%
phosphorus
16%
peptides
15%
carbon
15%
nitrogen
13%
Medicine & Life Sciences
Grassland
100%
Ecosystem
76%
Soil
74%
Nitrogen Fixation
70%
Nitrogen
67%
Nutrients
58%
Biomass
56%
nitrapyrin
47%
Leucyl Aminopeptidase
34%
Phosphorus
24%
South Africa
24%
Immobilization
23%
Human Activities
23%
Carbon
22%
Peptides
14%
Earth & Environmental Sciences
grassland soil
87%
stoichiometry
75%
substrate
47%
nutrient
44%
grassland ecosystem
42%
nitrogen
41%
fixation
33%
demand
22%
biomass
20%
peptide
17%
immobilization
17%
terrestrial ecosystem
17%
effect
16%
soil
14%
grassland
14%
human activity
13%
Africa
12%
phosphorus
12%
carbon
9%
rate
5%