Agriculture & Biology
dry tropics
100%
land use change
78%
carbon sequestration
75%
energy crops
73%
plantations
55%
soil aggregates
50%
soil organic carbon
44%
microbial biomass
35%
soil
33%
agroecosystems
14%
forest land
8%
soil productivity
8%
alternative fuels
8%
Jatropha curcas
7%
fossil fuels
7%
land use
6%
feedstocks
6%
climate change
5%
Earth & Environmental Sciences
bioenergy
72%
carbon storage
70%
tropics
60%
plantation
59%
land use change
59%
crop
47%
soil
27%
organic carbon
17%
macroaggregate
15%
soil aggregate
13%
productivity
13%
biomass
9%
agricultural ecosystem
8%
natural forest
8%
trend
5%
belowground biomass
5%
aggregate size
4%
fossil fuel
3%
substitution
3%
global climate
3%
mitigation
2%
land use
2%
climate change
2%
land
2%
Engineering & Materials Science
Tropics
99%
Land use
78%
Crops
72%
Fluxes
52%
Soils
51%
Carbon
49%
Organic carbon
29%
Biomass
14%
Productivity
13%
Climate change
3%
Substitution reactions
3%
Fossil fuels
3%