Canada thistle management in pastures Mark J RenzExtension Weed ScientistAgronomy Dept., University of Wisconsin-Madison Canada thistle has been identified as enemy #1 in pastures in the Midwestern U.S. It is important to remember that Canada thistle is a perennial, unlike other thistles which are biennial (e.g. plumeless, musk, bull thistle). Intensive mana […]
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