Subject
soil microbiology
11
soil biology
8
soil science
7
soil chemistry
6
soil physics
6
soil
4
soil pollution
4
soil protection
4
soil acidity
3
soil water
3
bacterium
2
biodegradation
2
carbon cycle
2
fungus
2
microbial activity
2
microbial degradation
2
nitrogen cycle
2
phosphorus cycle
2
solute uptake
2
sulfur cycle
2
agriculture
1
alga
1
arthropod
1
biogeochemistry
1
biomass
1
contaminated land
1
contamination
1
crop
1
denitrification
1
ecology
1
environmental impact
1
enzyme activity
1
erosion
1
evaporation
1
forest
1
forestry
1
heavy metal
1
humic substance
1
isotope ratio
1
mass spectroscopy
1
metal
1
microbiology
1
modeling
1
nitrification
1
nutrient
1
organic matter
1
pesticide
1
pesticide residue
1
plant soil relationship
1
porous material
1
more ...