Evaluating an Herbicide-Applying Mower for Invasive Species Controls Status: CompleteReport Date: 03/17/2014 Summary: Researchers conducted two tests to compare the effectiveness of the WetBlade to traditional broadcast herbicide application in controlling Canada thistle, a serious invasive species in Minnesota, and minimizing herbicide drift. Final Deliverables: Report #2014-08 Technical Summary Related Materials: Related Research: