2 Podcast Episodes
179: Penn Parmenter on Passive Solar Greenhouses
179: Penn Parmenter on Passive Solar Greenhouses
179: Penn Parmenter on Passive Solar Greenhouses.Designing greenhouses using the natural laws of nature as allies and re... Read more
5 Jan 2017
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54mins
165: Penn Parmenter on High Altitude Tomatoes
165: Penn Parmenter on High Altitude Tomatoes
165: Penn Parmenter on High Altitude TomatoesGrowing and saving seeds for extreme or challenging climatesSince 1992 Penn... Read more
3 Dec 2016
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58mins