
670: Puja and Udgar Parsons on Growing a Green Business
The Urban Farm Podcast with Greg Peterson
00:00
Growing Dome - Self Heating
The growing dome can stay up to 30 degrees warmer than the outside temperature on a cold winter night with no heat whatsoever. So essentially you've got a heated insulated soil mass because you're blowing hot air through pipes in the soil so plants stop growing when the soil gets below 43°F. The wall is insulated so it slows down the heat loss through the wall and then we do a blueboard skirt around the dome that stops the frost coming in under the wall.
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