PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Superphosphate is a chemical fertilizer produced by the action of sulphuric acid on phosphate rock, making the phosphorous more soluble for faster release.
http://www.w3.org/ns/prov#wasQuotedFrom
  • westonaprice.org