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"New celery will grow from the base of a used stalk. Give it a try. For your efforts, you'll get a free, edible stalk of celery in a few months and a fun experim"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/healthy-eating/blogs/how-to-re-grow-celery-from-the-base>