@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:2736
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-10-19"^^xsd:date ;
  skos:altLabel "soil acidity"@en, "soil alkalinity"@en ;
  skos:broader nalt:2772, nalt:9595 ;
  skos:closeMatch <http://id.loc.gov/authorities/subjects/sh85124313> ;
  skos:exactMatch agrovoc:c_34901, <http://id.cabi.org/cabt/108051>, <http://id.agrisemantics.org/gacs/C1671> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "soil pH"@en, "pH del suelo"@es ;
  skos:related nalt:2732, nalt:2829, nalt:6431, nalt:325462, nalt:20312, nalt:5566 ;
  ns0:marc001 "34329" .

nalt:2732
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "suelos ácidos"@es, "acid soils"@en ;
  skos:related nalt:2736 .

nalt:2829
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "titratable acidity"@en, "acidez titulable"@es ;
  skos:related nalt:2736 .

nalt:6431
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "suelos alcalinos"@es, "alkaline soils"@en ;
  skos:related nalt:2736 .

nalt:325462
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "soil buffering capacity"@en, "capacidad tampón de los suelos"@es ;
  skos:related nalt:2736 .

nalt:20312
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "capacidad tampón"@es, "buffering capacity"@en ;
  skos:related nalt:2736 .

nalt:9595
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:2736 ;
  skos:prefLabel "soil chemical properties"@en, "propiedades químicas del suelo"@es .

nalt:5566
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "enmiendas calizas"@es, "liming materials"@en ;
  skos:related nalt:2736 .

nalt:2772
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:2736 ;
  skos:prefLabel "pH"@es, "pH"@en .