@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:24693
  skos:prefLabel "suelos sódicos"@es, "sodic soils"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:963 .

nalt:38859
  skos:prefLabel "sodio intercambiable"@es, "exchangeable sodium"@en ;
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  skos:related nalt:963 .

nalt:963
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:hiddenLabel "gypsum-requirement"@en ;
  ns0:marc001 "17342" ;
  skos:related nalt:24693, nalt:38859, nalt:44152 ;
  skos:prefLabel "gypsum requirement"@en, "requisito de yeso"@es ;
  dc:modified "2012-11-30"^^xsd:date ;
  skos:broader nalt:962 .

nalt:44152
  skos:prefLabel "yeso (mineral)"@es, "gypsum"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:related nalt:963 .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .

nalt:962
  skos:prefLabel "estatus de productividad del suelo"@es, "soil productivity status"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:963 .