Dark Matter- Inside the Compost Cycle: Science on the SPOT

Science on the SPOT HD Video Podcast by KQED

Sep 6, 20115:51Science & Medicine

How does San Francisco’s 600 tons of compostable waste become a nutrient-rich material that improves the quality of our local wines? Agronomist Bob Shaffer, Northern California's "compost guy," takes QUEST into the compo...

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