PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Trace mineral deficiency used to not be a problem, but in the last 30 years commercial farming has destroyed most of the trace minerals that are naturally found in soil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthturns.com