[Market-farming] Harmony Herbicide how long lasting is it

Richard Robinson rrobinson at nasw.org
Mon Jul 21 10:46:55 EDT 2008

 On Sun, 20 Jul 2008 22:17:20 -0400, Andy Fellenz wrote:
> A local supplier of wheat straw has a reasonable price on his small bales but
> mentioned that he used Harmony as a post-emergent herbicide this spring.  I
> use straw mulches with several of my hoophouse crops - tomatoes, peppers,
> eggplant, cucumbers, melons and am wondering if I should have any concern
> about residue from the spring application affecting my crops.  Normally, I
> wouldn't even be asking this question, but after reading about the problems
> english gardeners have been having with manure from animals which ate forages
> treating with aminopyralid.
> (http://www.guardian.co.uk/environment/2008/jun/29/food.agriculture).  I
> figure I better that I better ask.

Here is some manufacturer's info on the product. 


They say there is no next-season restriction on crops planted, indicating no residual effect at that point. But I think that's different than your situation--any herbicide residue on the wheat is tightly packed into bales, away from the elements, and may not break down much further once in there. Personally, i'd be wary.

 Richard Robinson

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