Quote:
Originally Posted by rockman
Iv'e used the purple Tordon on stumps to kill the sprouts. Didn't know it's used on hay fields. My neighbor may know what is used in the fields where their hay comes from. Thanks,Dick
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Yep, the risidual is the whole reason why it works wonders on killing trees.
Take a look here, 3rd paragraph from bottom, page 4. It says 5 years, but who's counting!
https://www.google.com/url?sa=t&sour...1fN1TKnxeODhoI