Pasture renovation

Asked August 4, 2013, 10:38 PM EDT

I want to reseed my pasture in August. I have many weeds in my pasture such as Canada thistle, pig weed, morning glory, etc. Would it be best to spray with roundup to kill everything before seeding or use a broadleaf herbicide? My pasture mix includes red and white clover and alfalfa so I want to avoid having to spray the pasture in the near future again.

Sioux County Iowa

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