CULT: black vs clear plastic
- Subject: CULT: black vs clear plastic
- From: L* M*
- Date: Sat, 29 Jun 2002 13:01:07 -0400
From the Virginia Cooperative Extension (VPI & Virginia State) website:
<Raise Soil Temperature by Using Black and Clear Plastic
The outdoor soil temperature may be manipulated by covering the ground
first with black plastic, then clear plastic with an air layer between
formed by a series of thin strips of wood. The clear plastic traps solar
heat, the black plastic absorbs it, and the air layer insulates and
reduces loss due to convection and radiation. A good soil thermometer is
important so you can see when the soil has warmed sufficiently to allow
planting of the seed. >
They are talking about seed planting rather than killing things, but
it's still about trapping heat.
--
Linda Mann east Tennessee USA zone 7/8
American Iris Society web site <http://www.irises.org>
iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-photos/>
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