@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0058356>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0057855>, <http://www.irandoc.acir/onto/irandoc/CAB0058359> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0058358> ;
  skos:prefLabel "فرسودگی خاک"@fa, "soil exhaustion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0057855>
  skos:prefLabel "فروکاهی خاک"@fa, "soil degradation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058356> .

<http://www.irandoc.acir/onto/irandoc/CAB0058359>
  skos:prefLabel "علم خاک"@fa, "soil science"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0058356> .

<http://www.irandoc.acir/onto/irandoc/CAB0058358>
  skos:prefLabel "soil fertility status"@en, "وضعیت حاصلخیزی خاک"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0058356> .