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Earth Notes - Too Much Of A Good Thing

KNAU News Talk - Arizona Public Radio
Published March 24, 2010 at 6:04 AM MST

http://stream.publicbroadcasting.net/production/mp3/knau/local-knau-892408.mp3

Flagstaff, AZ – Ammonia may be known for its pungent smell. But, it also promotes plant growth. However, new research suggests that too much ammonia can be a problem.
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Earth Notes earth notes