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Zairai, matcha milling, and more with Pau from Tea Nursery

A podcast episode featuring a Wazuka tea farmer discusses Zairai cultivar genetics being mapped at a Shizuoka summit through seed-stock sampling to verify historical tea-planting claims, the practical challenges of restoring a century-old abandoned Zairai field to production, and the technical demands of operating stone mills for matcha milling.

Zairai, matcha milling, and more with Pau from Tea Nursery
Photograph: Specialty Matcha Podcast
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Key points
  • Genetic sampling project at Shizuoka Zairai summit traces seed-stock origins across prefectures and validates historical…
  • Revival of century-old abandoned Zairai field underway—demonstrates grower commitment to heritage cultivar preservation.
  • Stone-mill (ishi usu) operation for matcha requires detailed daily management and technical expertise.

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What they said
“genetic sampling is being used to trace which prefectures share seed stock and to test the legends about who planted tea where”
genetic sampling is being used to trace which prefectures share seed stock and to test the legends about who planted tea where
“what it takes to bring a century-old abandoned Zairai field back into production”
what it takes to bring a century-old abandoned Zairai field back into production
📍 Shizuoka📍 National MatchaGrowing & HarvestResearch
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