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