Healthy soil and sustainable growing

[Mike E <mike.lists@mlxvi.org>]

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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