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

nalt:43021
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2020-01-17"^^xsd:date ;
  skos:altLabel "greenhouse testing"@en, "glasshouse experimentation"@en, "greenhouse experiments"@en ;
  skos:broader nalt:9146 ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C7233>, agrovoc:c_331348 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "greenhouse experimentation"@en, "experimentación en invernadero"@es ;
  skos:related nalt:5487 ;
  ns0:marc001 "50887" .

nalt:5487
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "invernaderos"@es, "greenhouses"@en ;
  skos:related nalt:43021 .

nalt:9146
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:43021 ;
  skos:prefLabel "métodos de investigación"@es, "research methods"@en .