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QUEST: Curious About Compost?

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Bob Shaffer - compost guy

How does San Francisco’s 600 tons of compostable waste become a nutrient-rich material that improves the quality of our local wines? Watch QUEST's Science on the SPOT story, Dark Matter: Inside the Compost Cycle to hear from agronomist Bob Shaffer, Northern California’s “compost guy,” and learn about the composting process.

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