Agriculture & Biology
global change
100%
stoichiometry
93%
fluid mechanics
79%
nutrients
50%
water
34%
soil
26%
runoff
23%
water uptake
19%
bedrock
14%
introduced plants
11%
biogeochemical cycles
11%
groundwater
11%
arid lands
11%
dry environmental conditions
11%
nutrient availability
10%
soil nutrients
10%
leaching
10%
nutrient uptake
10%
soil organic matter
9%
quantitative analysis
9%
soil water
8%
ecosystems
7%
minerals
7%
degradation
6%
Earth & Environmental Sciences
stoichiometry
91%
global change
82%
hydraulics
55%
nutrient
54%
soil layer
26%
water
25%
runoff
13%
arid land
12%
soil
11%
patchiness
11%
ecosystem response
11%
arid environment
10%
water uptake
10%
introduced species
10%
nutrient availability
10%
nutrient cycling
10%
water availability
9%
soil organic matter
8%
bedrock
8%
soil water
7%
leaching
7%
decomposition
6%
groundwater
5%
mineral
5%