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Agronomy • 1m 28s
The Hefty brothers identify puncturevine and share tips for control.
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The Hefty brothers offer tips on getting smallflower buttercup under control.
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Darren and Brian Hefty explain why farmers use different categories of herbicides, or "modes of action", when controlling weeds in crop fields.
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Darren and Brian Hefty discuss ways to get common reed grass under control.