About: http://webisa.webdatacommons.org/405245909

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	When during the 60s??? and 70s???, major changes in environmental and genetic growing methods came into wide use resulting in higher crop yields, it was seen as an economic boon to farmers especially grain farmers.
http://www.w3.org/ns/prov#wasQuotedFrom	organicauthority.com