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from FREECYCLE

How To DIY Aquaponics - The How To DIY Guide on Building Your Very Own Aquaponic System

Walipini : Underground greenhouse

Pit Greenhouses or Walipinis. Depending on latitude, but despite above ground air temperatures (and wind chill), 6 to 8 feet down into the earth, temperatures remain fairly constant, between 50 and 60°F. Meaning your pit greenhouse will be much warmer than an above ground greenhouse in winter and that cool earth will keep temps bearable in the summer.

Amazing Off Grid Life Shots ~ Build a greenhouse attached to your home to help heat it in the winter.

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Build an Underground Year-Round Greenhouse for Only $300 — And Grow Food All Year Long. Maybe spend a bit more and make it neater!

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For off-grid, year-round veggies--even in sub-zero temps--get to building a "forever green" geo-thermal hoophouse!

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from TreeHugger

Build a $300 underground greenhouse for year-round gardening (Video)

How To Build An Underground Greenhouse And Have Food All Year Round -

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from David Domoney

How to grow your own peanut plant

How to grow your own peanuts - amazing plants with yellow flowers, and underground are tasty peanut pods!

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