Posted 8/24/2010 11:19 (#1330069 - in reply to #1330045) Subject: Re: how much authority for season long marestail control?
sw corner ia.
I have used valor, and authority. Neither of these will ever gave me control of marestail.
Only thing I have found that works every time is a pint of amine pre. Strange how all this new expensive technology is with us and still can't beat that old product.