PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Anhydrous ammonia is a widely used nitrogen fertilizer and its interactions with soils and soil clays play an important role in its environmental fate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov