PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • What differentiates biochar from charcoal is its purpose; it is produced as an additive to soils, mainly to improve nutrient retention and carbon storage. [1] Although the history of biochar extends thousands of years, its science is still relatively poorly understood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aph.gov.au