PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The most common growing medium is tuff (volcanic stone) which is a reactive substrate with high power of adsorption and high indigenous phosphorus content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ipipotash.org