PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The reason there is a premium would appear to be that there is less supply and an incentive is needed to overcome the yield drag you identify with organic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • biofortified.org