I live just a few miles from a mushroom growing place and have known the person that handles the drying and packing personally for a very long time. I will have to ask about getting some of the leftovers from the growing cycle. I'm fairly certain they just throw the stuff away.
EDIT: I've been doing some reading on Msuhroom compost and it seems that most places would sterilze the growing medium after it's been used for the growing cycle. I don't think this operation does that. If they don't, would there be any harm to my garden if it were added?
Last edited by matermaniac; March 4, 2010 at 07:11 PM.
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