PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A soil amendment is any material mixed into a soil to improve its physical properties, including water retention, permeability, water infiltration, drainage, aeration and structure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • landandwater.com