| http://www.w3.org/ns/prov#value | - ???If you misidentify something, you may not be able to control it, and some of the weeds are a huge problem outside of the Ontario because of herbicide resistance,??? Dave Bilyea, a research technician at the University of Guelph???s Ridgetown Campus, told a Diagnostic Day held in Ridgetown July 9-10.
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