Darrell Frey is the owner and manager of Three Sisters Farm, a 5-acre permaculture farm, solar greenhouse and market garden located in Western Pennsylvania. He facilitates workshops and delivers keynote presentations on permaculture design, perennial polyculture management and ecological land use planning, and has been a sustainable community development consultant and permaculture teacher for 30 years. Darrell writes extensively about the principles involved in regenerative, organic agriculture and is the author of Bioshelter Market Garden: A Permaculture Farm .
Bioshelter Market Garden
$32.50 USD – $49.99 USD
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