Mushroom Compost in Cultivation

Rebecca Belling rebellin at
Fri Mar 26 15:02:12 EST 1999

I have a student that just told me about using rice as the main nutrient source for
growing mushrooms, and claimed success.  I have no idea if this would actually work
or not, though--and I've never heard of anyone else using rice.  Might be worth
looking into, though.

Randy Mshr wrote:

> 1.  Has anyone heard of using material other than straw as the main carbon
> souce for mushroom compost production (can bark be used?).
> I heard a presentation involving the use of spent brewing grains which were
> used to grow shiitakes. I don't know if that would work for Agaricus. Spent
> grains are produced in abundance by breweries of all sizes and are often a
> nuisance for brewers to get rid of. Farmers will often take them, but they're
> not really good cow food. great for raising worms, though.
> It was by a Belgian gentleman who had been working out methods for use in third
> world countries. If you want more information, call the Institute of Brewing
> Studies in Boulder, 303-447-0816. They could put you in touch with him. I
> believe he had a book as well. The presentation was at their 1997 conference in
> Seattle.

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