English AGROVOC
NT
Humus
NT
Organomineral complexes
RT
Organic matter
RT
Plant litter
RT
Soil
RT
Soil chemistry
(Lao)
ວັດຖຸອົງຄະທາດໃນດິນ
(French)
Matière organique du sol
(Spanish)
Materia orgánica del suelo