Here is a interesting green house for cold or adverse environments. It keeps the garden safe, warm/cool, and year round in even very hot and cold environments. Enjoy!
Great PDF file, only thing that concerned me was high heat areas.
In Washington I have property in Chelan, which if any of you have
been there is pretty much a desert, keeping the interior cool enough
for plant life, and properly watered ont top of that might pose a
challenge. for decidous regions though this idea is superb!
Thanks for bringing this style of garden to light. I am now researching various underground gardens for food production, for many reasons: extending the growing season, eliminating genetic drift of GMO crops into organic fields, maintaining purity of pre-hybrid heirloom varieties of food that contain resilient DNA characteristics, plus having the vision of 4 season cropping to maintain local, fresh food supplies, and decentralizing food production, which I believe is physically and philosophically valuable in maintaining self-sufficiency and self reliance. Thanks again
I've been thinking about this for awhile. I've thought about raising tilapia in it along with plants and not having to worry about the temp variations. I was watching the History channel one day and they were talking about how you put pigs in greenhouses during the winter with straw on the floor and as the pigs waste composts in the straw it creates heat which in turn heats the greenhouse.
thank you very much! it reminds me of a book called "The $50 & up underground house book" by Mike Oehler, very practical and manageable, just need lots of elbow grease
thanks for the great idea, may do it
looks great and hopeing to get started on it later on this year as time permits, was woundering if any one has tried 1 of these before would love to hear about it and any input..
Does any one have experience in building one of these or a structure along similar lines in USA either for growing plants of for part of a living space
Does anyone have a link to the pdf that's NOT on this site? I'm never able to download anything from here - it always tells me to slow down, that I'm trying to download files too quickly and have to wait (but I'm not downloading anything), and then tells me I've exceeded my daily download limit (again, I didn't download anything).
I would think that anyone could control the temp in these units pretty easy, as long as you are able to get to the top layer of plastic. You could prepare something ahead of time by buying a tarp the same width as the Walipini and mount it on a system where you could unroll some of it and use it to cover the top of the Walipini. This would allow you to restrict the amount of sunlight that enters the Walipini and thereby restrict the amount of heat that is generated.
I would also change the angle of the roof, to correlate to the angle the sun is at during the winter months. This would also help decrease the over-exposure, and over-heating from the sun, during the summer.
The best idea coming out of this book is to insulate all but the south windows. Then there is the idea to install some type of folding cover to insulate the window(s) at night. Excellent topic.
Oh, your link has winter solstice at 90 degrees. Much lower here.
My major problem with pig manure is the incredible smell. Horse manure is less smelly and should have greater heat value. When I was in Williamsburg during a really cold- 15 degrees, January about 12 years ago, they were heating cold frames with horse manure. Then dug down about 2', put over 1' of horse manure in the hole, and placed topsoil on it. A simple window cover (glass) kept internal temps at 45 or above. celery was growing well in the frame.
I saw a video of a guy who built a Walipini greenhouse ; the video is on "treehugger.com", but it doesn't have any contact info.
Anyway, he uses an "arch" as a roofing structure, and I really think that idea has merit.
Does anyone on here have any information on that concept ?
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