PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to the minerals from the weathering of rocks, healthy soils contain millions of different bacteria, plants, and other organisms which are added to the soil as organic matter, called humus, when they die and decompose.
http://www.w3.org/ns/prov#wasQuotedFrom
  • enviroliteracy.org