PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The principal environmental variables affecting life in soils include moisture, tempera???ture, pH, aeration (i.e. presence or absence of sufficient oxygen), organic matter, and inorganic nutrients such as nitrogen and phosphorus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tamu.edu