Earth & Environmental Sciences
biochar
50%
carbon
26%
carbon sequestration
3%
climate change mitigation
3%
crop
2%
effect
0%
environmental impact
2%
environmental quality
3%
environmental risk
48%
human health
2%
microorganism
2%
mineralization
35%
nutrient
4%
nutrient availability
3%
nutrient uptake
4%
PAH
2%
PCDD
4%
PCDF
4%
productivity
2%
pyrolysis
3%
regulation
2%
soil
10%
soil fertility
7%
soil nutrient
51%
Medicine & Life Sciences
biochar
100%
Carbon
47%
Climate Change
4%
Fertility
6%
Formal Social Control
3%
Health
1%
Nutrients
40%
Polychlorinated Dibenzodioxins
4%
Polychlorinated Dibenzofurans
5%
Polycyclic Aromatic Hydrocarbons
4%
Pyrolysis
5%
Soil
51%
Technology
2%
Engineering & Materials Science
Availability
3%
Carbon
35%
Chemical analysis
30%
Climate change
5%
Crops
5%
Environmental impact
4%
Feedstocks
4%
Health
3%
Microorganisms
5%
Nutrients
59%
Polycyclic aromatic hydrocarbons
6%
Productivity
3%
Pyrolysis
4%
Soils
37%
Chemical Compounds
Application
5%
Arene
4%
Carbon Atom
2%
Environment
3%
Nutrient
50%
Pyrolysis
4%
Reduction
5%
Soil
40%
Soil Fertility
20%