Medicine & Life Sciences
Fabaceae
100%
Nitrogen
77%
Genotype
56%
Rhizobium
40%
Symbiosis
35%
Breeding
30%
Population Density
30%
Medicago truncatula
23%
Greenhouse Gases
22%
Sinorhizobium meliloti
20%
Nitrogen Fixation
20%
Bacteria
17%
Ecology
15%
Economics
10%
Costs and Cost Analysis
8%
Population
5%
Earth & Environmental Sciences
genotype
85%
fitness
77%
nitrogen
46%
mutualism
30%
rhizobacterium
30%
breeding
22%
population density
20%
biological nitrogen fixation
17%
bacterium
14%
density dependence
14%
resource availability
13%
ranking
10%
organ
10%
greenhouse gas emissions
9%
environmental factor
9%
ecology
8%
crop
8%
effect
7%
economics
6%
program
5%
cost
5%
prediction
5%
Agriculture & Biology
legumes
63%
genotype
46%
nitrogen
45%
mutualism
16%
Rhizobium
14%
population density
12%
economic plants
10%
inoculum density
9%
environmental factors
9%
Ensifer meliloti
8%
Medicago truncatula
8%
greenhouse gas emissions
8%
root nodules
7%
space and time
7%
bacteria
7%
nitrogen fixation
7%
breeding programs
5%
ecology
5%
prediction
4%
microorganisms
4%
breeding
4%
crops
3%