Earth & Environmental Sciences
adsorption
6%
biochar
70%
biomass
3%
carbon
17%
carbon cycle
65%
climate change mitigation
5%
degradation
3%
documentation
4%
effect
2%
environmental control
5%
environmental sustainability
5%
leaching
3%
material
2%
mineralization
3%
nitrogen
15%
nitrogen cycle
80%
nutrient loss
6%
phosphorus
18%
phosphorus cycle
100%
pyrolysis
4%
soil
28%
soil amendment
12%
soil fertility
5%
soil property
4%
water
1%
weathering
12%
Engineering & Materials Science
Adsorption
11%
Biomass
5%
Carbon
50%
Climate change
6%
Degradation
4%
Leaching
7%
Nutrients
7%
Phosphorus
80%
Pyrolysis
5%
Soils
52%
Surface properties
5%
Sustainable development
5%
Water
3%
Weathering
22%
Social Sciences
amendment
28%
climate change
14%
documentation
14%
due attention
22%
fertility
13%
knowledge gap
19%
literature
6%
mediation
13%
sustainability
12%
water
13%