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Definition

Greens in Composting

Greens are nitrogen-rich organic composting materials such as vegetable peels, fruit scraps, coffee grounds, and fresh grass clippings. In a compost pile, microorganisms utilize this nitrogen to build essential proteins. Too many greens make a wet, smelly pile that releases ammonia.

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Updated 2026-10-06

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Prep Sessions

Home Composting Fundamentals for Backyard Gardeners @ University of Michigan - Ann Arbor

Ch.2 Pile Care and Maintenance - Home Composting Fundamentals for Backyard Gardeners @ University of Michigan - Ann Arbor

Balancing Greens and Browns - Home Composting Fundamentals for Backyard Gardeners @ University of Michigan - Ann Arbor