PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ARS focus for the 2012 fiscal year has been on sediment/phosphorus interactions in wetland systems. 200 soil samples obtained from wetlands of three types (Natural, Prior Converted, and Restored) were analyzed for phosphorus, arsenic, and other elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov