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

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Chemical>
  a owl:Class ;
  rdfs:label "Chemical"@en .

nalt:46139
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2014-05-12"^^xsd:date ;
  skos:broader nalt:41736, nalt:2882 ;
  skos:exactMatch <http://id.cabi.org/cabt/58874>, <http://id.agrisemantics.org/gacs/C8384>, agrovoc:c_3685 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "ácidos húmicos"@es, "humic acids"@en ;
  skos:related nalt:46137 ;
  ns0:marc001 "18671" .

nalt:41736
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:46139 ;
  skos:prefLabel "sustancias húmicas"@es, "humic substances"@en .

nalt:2882
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:46139 ;
  skos:prefLabel "organic acids and salts"@en, "ácidos y sales orgánicas"@es .

nalt:46137
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "humates"@en, "humatos"@es ;
  skos:related nalt:46139 .