English AGROVOC

uf Nutrient status (soil)
uf Soil nutrient balance
uf Soil nutrient content
uf Soil productivity
NT Soil deficiencies
NT Soil exhaustion
RT Cropping systems
RT Fertilizer application
RT Nutrient availability
RT Plant soil relations
RT Soil analysis
RT Soil chemistry
RT Soil degradation
RT Soil improvement
RT Soil sickness
RT Soil toxicity
(Lao)
   ຄວາມອຸດົມສົມບູນຂອງດິນ
(French)
   Fertilité du sol
(Spanish)
   Fertilidad del suelo