@prefix dc: . @prefix rdfs: . @prefix cast: . @prefix skos: . @prefix xsd: . dc:contributor rdfs:label "Contributor" . cast:274 a skos:Concept ; dc:contributor "dgwr" ; skos:altLabel "Olsen P"@en ; skos:definition "An estimate of inorganic phosphorus in soils, based on extraction using sodium bicarbonate."@en ; skos:broader cast:21 ; dc:modified "2019-05-09T16:00:18.197+00:00"^^xsd:dateTime ; dc:created "2014-06-03T10:07:48Z"^^xsd:dateTime ; skos:prefLabel "Olsen phosphorus"@en ; dc:creator "dgwr" . dc:modified rdfs:label "Modified" . dc:created rdfs:label "Created" . cast:21 skos:prefLabel "total phosphorus"@en ; a skos:Concept ; skos:narrower cast:274 . dc:creator rdfs:label "Creator" .