Re: Plastic Mulch



Chris --

Thanks for your response.  

I should add that, for a grower who is using plastic mulch only for a few
weeks (as may be the case in most places, where mulch is used mainly as a
season-extender and removed), the weed issue may not matter much. In our
patch in Interior Alaska, however, plastic mulch stays on for the entire
growing season, so it makes a big difference whether we choose clear or
dark plastic.

Gail in Fairbanks

On Sat, 11 Dec 1999, Chris Andersen wrote:

> Gail,
> That's a good point and one that had not dawned on me, clear plastic mulch
> weed problem, black or brown none!
> Chris
> 
> -----------------------------------------------------
> >
> >We use plastic mulch extensively in our garden in Interior Alaska,
> >including in the pumpkin patch.  Our experience with clear vs. dark
> >plastic has been that there's not much difference between clear and dark
> >(dark meaning brown or black of a kind which transmits some visible/UV
> >light) in terms of soil warming, but there's a HUGE difference between the
> >two in terms of weed control.  Weeds grow prolifically under clear
> >plastic; weeds are almost nonexistent under dark plastic.
> >
> >Gail in Fairbanks
> >
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