About: http://webisa.webdatacommons.org/357947624

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	Weeds are the most serious threat to crop production in organic farming systems.
http://www.w3.org/ns/prov#wasQuotedFrom	jst.go.jp