Subject
soil chemistry
3
soil microbiology
3
soil pollution
microbial degradation
2
pesticide residue
2
soil biology
2
soil protection
2
denitrification
1
enzymatic analysis
1
enzymatic reaction
1
enzyme activity
1
enzyme production
1
humic substance
1
humus
1
nitrification
1
nitrogen fixation
1
organic matter
1
pesticide
1
soil
1
soil acidity
1
soil physics
1
soil science
1
soil surface
1
soil water
1