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Record 145 · Video · 2026
Sunken Greenhouse Tour 2020: Failures, Progress and Hope for the Future!
homesteadonomics
“2020 tour discussing failures and progress on a sunken greenhouse project.”
2020 tour discussing failures and progress on a sunken greenhouse project. oEmbed-verified exact title: Sunken Greenhouse Tour 2020: Failures, Progress and Hope for the Future! Channel: homesteadonomics Title indicates walipini / underground / sunken / earth-sheltered / deep-winter / Chinese passive solar / geothermal greenhouse content.
Evidence tier: video. YouTube video — builder experience, news segment, or educational talk; not peer-reviewed research unless presenting extension research.
video|candidate
- oEmbed-verified exact title: Sunken Greenhouse Tour 2020: Failures, Progress…
- Channel: homesteadonomics
- Title indicates walipini / underground / sunken / earth-sheltered / deep-wint…
oEmbed-verified exact title: Sunken Greenhouse Tour 2020: Failures, Progress and Hope for the Future!
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