About: http://webisa.webdatacommons.org/46303655

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	Dates, for example, were a very important resource and a valuable export commodity, especially until approximately 1970, when the lowering of the water in the cuvettes had a negative effect on yields.
http://www.w3.org/ns/prov#wasQuotedFrom	mdpi.com