Agriculture & Biology
land use planning
90%
Bradyrhizobium
75%
crop management
67%
Rhizobium
59%
soybeans
44%
soil
30%
Bradyrhizobium japonicum
24%
grasslands
17%
Bradyrhizobiaceae
14%
phosphorus content
11%
organic carbon
10%
biogeography
10%
land use
9%
legumes
8%
species diversity
7%
history
7%
wheat
6%
corn
6%
Medicine & Life Sciences
Bradyrhizobium
100%
Rhizobium
92%
Soybeans
74%
Soil
65%
Grassland
19%
Fabaceae
8%
Zea mays
8%
Triticum
8%
Fertilization
7%
Phosphorus
7%
Carbon
6%
Earth & Environmental Sciences
rhizobacterium
80%
soybean
65%
crop
43%
land use
40%
soil
25%
monoculture
24%
grassland
16%
cultivation system
14%
diversity index
10%
biogeography
10%
wheat
9%
maize
8%
organic carbon
7%
phosphorus
7%
history
5%
distribution
3%
parameter
3%
effect
2%