Agriculture & Biology
nitrogen fixation
72%
ecosystems
53%
soil resources
46%
net primary productivity
45%
plant characteristics
41%
carbon dioxide
41%
physicochemical properties
27%
drought
27%
soil
26%
terrestrial ecosystems
21%
total phosphorus
21%
global change
20%
meta-analysis
20%
microbial biomass
19%
bulk density
17%
texture
14%
prediction
12%
carbon
11%
nitrogen
10%
Earth & Environmental Sciences
nitrogen fixation
85%
fixation
68%
environmental change
60%
disturbance
48%
effect
16%
soil resource
15%
physicochemical property
13%
ecosystem
11%
drought
10%
warming
9%
productivity
8%
soil
8%
meta-analysis
7%
biome
6%
terrestrial ecosystem
6%
global change
6%
bulk density
6%
plant species
5%
budget
5%
carbon dioxide
5%
Chemical Compounds
Nitrogen Fixation
100%
Ecosystem
67%
Soil
59%
Microbial Biomass
22%
Bulk Density
16%
Crystalline Texture
13%
Phosphorus(.)
11%
Carbon Dioxide
10%
Nitrogen
8%
Carbon Atom
6%
pH Value
5%