Subject
soil chemistry
30
soil
24
soil pollution
24
soil microbiology
10
soil protection
10
agriculture
9
plant
9
soil science
9
plant soil relationship
8
soil biology
8
soil water
8
water
7
nitrogen
6
remediation
6
biodegradation
5
erosion
5
fertilization
5
groundwater
5
modeling
5
root
5
antibiotics
4
cultivated plant
4
degradation
4
heavy metal
4
microbial activity
4
moisture
4
nitrification
4
nitrogen cycle
4
root growth
4
soil physics
4
carbon cycle
3
denitrification
3
environmental impact
3
environmental transport
3
fertilizer
3
heavy metal concentration
3
metal
3
mobility
3
organic matter
3
pesticide
3
pesticide residue
3
pollutant transport
3
soil analysis
3
water uptake
3
MRI (magnetic resonance imaging)
2
acidification
2
bacterium
2
biodiversity
2
contaminated land
2
ecology
2
more ...