PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ammonia release to the atmosphere is an environmental concern with possible negative effects on air quality (particulate formation), terrestrial life (decreased ecosystem diversity), and water resources (nutrient enrichment).
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov