@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:23647_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "A self-propelled irrigation system in which a single pipeline supported on towers rotates around a central point. These systems are typically about onequarter mile long and serve 128 to 132 acre circular fields."@en, "Sistema de irrigación autopropulsado en el que una única tubería apoyada en torres gira alrededor de un punto central. Estos sistemas normalmente tienen una longitud de unos 400 m y funcionan en campos circulares de 0.51 a 0.53 km2."@es ;
  dc:source "Agriculture: A Glossary of Terms, Programs, and Laws. Congressional Research Service Report for Congress, 2005 Edition." .

<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:23647
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2020-05-21"^^xsd:date ;
  skos:altLabel "irrigación de centro-pivote"@es, "centre pivot irrigation"@en ;
  skos:broader nalt:23649 ;
  skos:definition nalt:23647_def ;
  skos:exactMatch <http://id.cabi.org/cabt/25553>, <http://id.agrisemantics.org/gacs/C30396>, agrovoc:c_9703 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "center pivot irrigation"@en, "irrigación de pivote central"@es ;
  ns0:marc001 "7466" .

nalt:23649
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:23647 ;
  skos:prefLabel "riego por aspersión"@es, "sprinkler irrigation"@en .