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simy1 · 15-09-2006, 05:23 PM posted to rec.gardens

Kay Lancaster wrote:
On 13 Sep 2006 21:20:50 -0700, wrote:
in other words, will a screen protect the weeds from spreading? I
assume it is airborn somehow.

There are about 75 years worth of viable weed seed in any outdoor soil
that's been cultivated. A greenhouse will give you a different,
more heat tolerant selection of weeds compared to just the garden soil.
You might want to google the combination of the phrase "seed bank" with
the word weed.

Unless you're growing in sterilized soil, you're going to be weeding.
Clean mulch is your friend.

Kay

Best no-till advertisement I have ever seen.