Earth & Environmental Sciences
biofuel
92%
harvest
80%
field experiment
79%
warming
69%
rain
68%
clipping
53%
climate
47%
prairie
21%
evaporation
15%
runoff
13%
C4 plant
13%
long-term experiment
12%
rainfall
12%
water use efficiency
11%
transpiration
10%
terrestrial ecosystem
9%
temporal distribution
9%
global change
9%
plant community
9%
litter
9%
growing season
9%
soil
8%
community structure
8%
human activity
7%
plain
7%
effect
6%
ecosystem
5%
Agriculture & Biology
global warming
94%
biofuels
83%
rain
69%
tallgrass prairies
22%
C4 plants
19%
runoff
18%
evaporation
16%
terrestrial ecosystems
10%
long term experiments
9%
C3 plants
9%
global change
9%
ecological function
9%
soil
8%
water use efficiency
7%
plant communities
7%
community structure
7%
transpiration
7%
climate change
6%
growing season
6%
ecosystems
6%
Engineering & Materials Science
Biofuels
100%
Rain
97%
Experiments
31%
Runoff
23%
Ecosystems
17%
Evaporation
16%
Soils
12%
Precipitation (meteorology)
12%
Transpiration
11%
Earth (planet)
6%
Water
4%