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livingontheland - Re: [Livingontheland] feasibility of earth-sheltered greenhouses?

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Subject: Healthy soil and sustainable growing

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Chronological Thread  
  • From: Mike E <mike.lists@mlxvi.org>
  • To: Healthy soil and sustainable growing <livingontheland@lists.ibiblio.org>
  • Subject: Re: [Livingontheland] feasibility of earth-sheltered greenhouses?
  • Date: Tue, 20 Feb 2007 14:31:33 +1300

Mike Oehler ($50 and up Underground House) built one.
http://www.undergroundhousing.com/
http://www.undergroundhousing.com/structures6.html
http://www.motherearthnews.com/Organic_Gardening/2004_February_March/Earth_Sheltered_Greenhouse

Bobby G wrote:
heyall,

in thinking & planning for our land project here in
cold Wisconsin, i've been considering greenhouse
growing as a key component of the plan.

i've worked with one architect on a straw-bale,
solar-heated greenhouse in southern Wisconsin, so i
know how that's done. his design even included a
ductwork system that blew solar-heated hot air from
the top of the greenhouse, down thru ducts into the
gravel base of the greenhouse. in theory, the heat
should have radiated up at night, keeping the house
above freezing.

however, the finished greenhouse was still
cold-susceptible. in fact, the owner used an electric
heater (!!) to prevent the well pressure tank and its
plumbing from freezing on very cold nights. night-time
indoor temps still fell into the 30s...

so i'm wondering if anyone has seen, or built, a fully
earth-sheltered greenhouse, both dug into sloping
ground and with much of the roof also earth-covered?
i'm also thinking that if a pond is dug, that would be
a great way to provide enough earth for
earth-sheltered buildings--use the excavated dirt for
mounding around earth-sheltered buildings.

any thoughts?

bobby g


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