English AGROVOC

uf Nox (nitrogen oxides)
BT Oxides
NT Nitric oxide
NT Nitrogen dioxide
NT Nitrous oxide
RT Air pollution
RT Greenhouse gases
RT Nitrates
RT Nitrogen
(Lao)
   ໄນໂຕຣເຈນ ອອກໄຊດ໌
(French)
   Oxyde d'azote
(Spanish)
   Óxidos de nitrógeno