Subject
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water
9
environmental effect
8
hydrology
8
nitration
8
nitrogen cycle
8
polycyclic aromatic hydrocarbon (PAH )
8
adsorption
7
ecotoxicology
7
environmental transport
7
fertilization
7
forest decline
7
geochemistry
7
organic geochemistry
7
toxicity
7
urban area
7
water chemistry
7
water pollution
7
clay mineral
6
nitrous oxide
6
plant protection
6
carbon cycle
5
ecological microbiology
5
environmental program
5
evaporation
5
fertilizer
5
greenhouse gas
5
hydrogeochemistry
5
organic compound
5
pharmaceuticals
5
plant ecology
5
pollutant
5
root
5
soil sampling
5
solubility
5
surface water
5
water budget
5
NMR spectroscopy
4
antibiotics
4
biogeochemistry
4
cadmium
4
cultivated plant
4
environmental balance
4
environmental health
4
environmental sample
4
extraction
4
forestry
4
herbicide
4
hydrogeology
4
microbial activity
4
microbial ecology
4
more ...