About: http://webisa.webdatacommons.org/390820894

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	???Well, if crop is a commodity and labour is a commodity, it is arbitrary to argue the the surplus originates from labour.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com