About: http://webisa.webdatacommons.org/326752299

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	The most extensively grown crop is sweet potato, the main food staple, cultivated on between 50 and 90 per cent of arable land.
http://www.w3.org/ns/prov#wasQuotedFrom	thinksoils.org