About: http://webisa.webdatacommons.org/92235044

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	Because each farm is a production unit, it was necessary to calculate the amount of labour to be invested, and which yields a field would produce.
http://www.w3.org/ns/prov#wasQuotedFrom	chinaknowledge.org