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Re: Atrazine!

Theresa,
Why not take some soil samples from varios locations and depths and do a
test planting to see if germination is affected?
Larry

----------
> From: Theresa Mau-Crimmins <theresa.mau@wmich.edu>
> To: prairie@mallorn.com
> Subject: Atrazine!
> Date: Monday, July 19, 1999 10:06 AM
> 
> Hello fellow prairie enthusiasts,
> I am a grad student at Western Michigan University.  Quite recently,
> folks here have begun tossing around the idea of a prairie restoration
> on our campus of about 50 acres--yippie!!!  We've been putting together
> species lists, burning regimes, and coming up with all sorts of research
> projects.  The administration is very anxious to get something planted
> on this open area that for the past many years has been farmed.  The
> original plan was to seed it this fall.  Trouble is, we just discovered
> that it was treated with Atrazine last spring.  We've been doing some
> research on this troublesome chemical, and it seems that it breaks down
> in about 2 years or so on the surface, but leaches down and takes much
> longer to break down at deeper levels of soil.  How have you who have
> done restorations/plantings dealt with this?  Can we go ahead and plant
> this coming spring, and then hope that the Atrazine will break down
> quickly enough that by the time our forbs' roots reach down that far,
> they will not be affected?  We'd greatly appreciate advice from folks
> who've dealt with this specifically for prairie plants.
> 
> Thanks much,
> Theresa Mau-Crimmins
> x93mau@wmich.edu
> 
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