Earth & Environmental Sciences
tropical soil
93%
symbiosis
88%
ecosystem process
83%
fungus
65%
environmental change
64%
soil
17%
tolerance
14%
restoration
12%
soil aggregate
10%
biotic factor
9%
ecosystem
9%
abiotic factor
9%
soil fertility
8%
fertility
8%
soil condition
8%
rhizosphere
8%
terrestrial ecosystem
8%
pathogen
7%
ecosystem service
7%
plant species
7%
penetration
6%
drought
6%
surface area
6%
health
5%
organism
5%
erosion
5%
nutrient
5%
land
4%
air
4%
effect
3%
parameter
2%
water
2%
Agriculture & Biology
tropical soils
100%
mycorrhizal fungi
72%
symbiosis
71%
ecosystems
56%
hyphae
27%
soil fertility
17%
soil quality
17%
disturbed land
15%
soil
14%
microsymbionts
12%
soil aggregates
12%
terrestrial ecosystems
11%
soil structure
11%
biotic factors
10%
plant architecture
10%
ecosystem services
10%
drought tolerance
9%
surface area
8%
rhizosphere
8%
species diversity
7%
uptake mechanisms
6%
air
6%
environmental factors
6%
fungi
5%
nutrients
5%
pathogens
5%
organisms
5%
water
3%