@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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 .
nalt:6431_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Soil with a pH of more than 7.0."@en, "Suelos con un pH superior a 7,0."@es ;
  dc:source "NAL Thesaurus Staff" .

<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:6431
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2014-07-15"^^xsd:date ;
  skos:broader nalt:2734 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh96003859> ;
  skos:definition nalt:6431_def ;
  skos:exactMatch agrovoc:c_268, <http://id.agrisemantics.org/gacs/C17672>, <http://id.cabi.org/cabt/8162> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "alkaline soils"@en, "suelos alcalinos"@es ;
  skos:related nalt:6432, nalt:221851, nalt:2736 ;
  ns0:marc001 "1707" .

nalt:6432
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "calcícolas"@es, "calcicoles"@en ;
  skos:related nalt:6431 .

nalt:2736
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "pH del suelo"@es, "soil pH"@en ;
  skos:related nalt:6431 .

nalt:2734
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:6431 ;
  skos:prefLabel "tipos de suelos químicos"@es, "chemical soil types"@en .

nalt:221851
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "hidrólisis alcalina"@es, "alkaline hydrolysis"@en ;
  skos:related nalt:6431 .