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Growers in colder climates often utilize various approaches to extend the growing season or to give their crops a boost, whether it's coldframes, hoop houses or greenhouses. Greenhouses are usually glazed structures, but are typically expensive to construct and heat throughout the winter. A much more affordable and effective alternative to glass greenhouses is the walipini (an Aymara Indian word for a "place of warmth"), also known as an underground or pit greenhouse. First developed over 20 years ago for the cold mountainous regions of South America, this method allows growers to maintain a productive garden year-round, even in the coldest of climates. Here's a video tour of a walipini that shows what a basic version of this earth-sheltered solar greenhouse looks like inside: © Benson Institute It's a pretty intriguing set-up that combines the principles of passive solar heating with earth-sheltered building. SilverThunder/via

http://www.treehugger.com/green-architecture/build-underground-greenhouse-garden-year-round.html

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Walipini greenhouse (wofati and earth berm forum at permies) @K9 I didn't come back and answer your question: "So what should the pitch angle be then?" Bottom line: if your system is working then good for you, this is simply an attempt to explain the methodology I would have used so that a) I can be corrected if I am wrong and b) if I am correct then others can use it for their projects. Long post, but I hope it is useful for someone..... DIY Greenhouse From Used Windows Or Storm Doors Early that autumn morning, I knew it was going to be a great day: I dropped my toast, and it landed honey-side up! Then in the morning newspaper, I saw an announcement for a public auction of “dozens of used aluminum storm doors.” I could hardly wait to hitch up my trailer. My bid was $4 when the auctioneer said, “Sold! How many do you want?”

Growing Winter Organic Produce Geodomes greenhouses Winter growing Part I.avi Winter Growing Part II.avi Greenhouse in a Swimming Pool - Winter Harvest Salad greens, chives and braising greens thrive in this winter growing space, a greenhouse converted from an old swimming pool. Outside temperatures dipped down as low as 3F (-17C); yet this space remains productive without any additional heat. It is heated by the sun during the day, and stays relatively warm (around 32F (0C)) on coldest of nights. Plants are happy and harvest is in full swing. This unheated growing space was created in an old swimming pool that has fallen into disrepair. Old swimming pools are hard fix; this one was built in the 1950-s and doubled up as water cistern for irrigating fields and pastures.

AQUAPONICS TILAPIA/SHELL FISH WARM FRESH WATER - Jeff's Geo Metro _Have question ask me please, I'm still building this page and know there is much more to put on it. Email is watercatwn6535nd@yahoo.com_________________________________________________________________________________________________Well its been a very busy year around here. Wit the cost of fuel rising the Geo end of the farm has been intense to say the least. From local to out of state customers bringing me Geo's I have barley had time to keep everything running.

Aquaponics: 20,000 Pounds of Fish & 70,000 Pounds of Vegetables on a 1/4 Acre Aquaponics is the combination of aquaculture (fish farming) and hydroponics (growing plants in water only), in a carefully designed, hyper-productive closed-loop system. There is no pesticide, no fungicide, no fertilizer, no watering the garden, no bending down to weed the garden, and you produce food year round, no matter the climate or soil conditions. This can work in the Sahara Desert or in Antarctica. DIY Low Cost Greenhouse From Pallet Wood The 5 Euro greenhouse... its organic produce.. Good companions, Courgettes and Tagetes erecta its tenants.. How To Build A Greenhouse – SIX Part Video Series – Wranglestar wranglestar Wranglestar is an incredible teacher, builder and homesteader who is kind enough to share his wisdom and his creative do it yourself spirit. Each of his videos are clear and concise as he guides you through the instructions as he builds so that you can do the project as well. The Homestead Survival website has featured many of Wranglestar’s homesteading building projects because he is in our opinion one of the very best.

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