PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To the maximum extent possible organic farming systems rely upon crop rotation, green manure, off farm organic wastes, mechanical cultivation, mineral bearing rocks, (which Utah is rich in), and aspects of biological pest control to maintain soil productivity and tilth, to supply plant nutrients, and to control insects and other pests.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sunadvocate.com