Velvet leaf problem

[sw99]

Out of control in my pasture. Any tips on getting rid of it? The field was neglected for the past 40 years. Last year I tried frequent mowings helped but I'm not sure if there is anything else I can do.

 

[beckmurph]

Wikipedia suggests herbicides.

 

[teejk]

You made me look! plone_templates — Pest Management — Penn State Extension to 60 years dormancy for the seeds? Monsanto time...