About: http://webisa.webdatacommons.org/398004193

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Most important of all, in such an arid ecosystem, subject to periodic drought, opium uses less than half the water needed for staples such as wheat.
http://www.w3.org/ns/prov#wasQuotedFrom	globalresearch.ca