About: http://webisa.webdatacommons.org/91041638

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	Active methods are those which are used when the danger of a freeze is present and include such techniques as adding heat and covering crops.
http://www.w3.org/ns/prov#wasQuotedFrom	gov.on.ca