Earth & Environmental Sciences
soil nitrogen
100%
woodland
82%
grass
74%
mineralization
50%
wet season
39%
grassland
31%
soil organic matter
27%
dry season
26%
microclimate
21%
vegetation type
19%
plant species
17%
soil
16%
effect
13%
rate
12%
ecosystem
11%
removal
10%
ecosystem function
9%
plant community
9%
nitrification
8%
national park
8%
volcano
8%
soil moisture
7%
restoration
7%
carbon
5%
experiment
3%
Agriculture & Biology
woodlands
86%
mineralization
66%
grasses
64%
nitrogen
50%
soil
43%
wet season
35%
grasslands
33%
soil organic matter
27%
dry season
26%
vegetation types
21%
microclimate
21%
species diversity
15%
ecosystems
14%
volcanoes
13%
nitrification
11%
ecological function
11%
Hawaii
10%
plant communities
9%
national parks
9%
soil water
8%
carbon
6%