PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This material is derived from biomass such as wood chips, crop residues and manures processed with heat in a low- or no-oxygen environment to produce a carbon-enriched charcoal that promotes microbial activity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • startribune.com