Why do mushrooms grow in coffee grounds?

Why do mushrooms grow in coffee grounds?

You can check the answer of the people under the question at Quora “growing oyster mushrooms coffee grounds

0 thoughts on “Why do mushrooms grow in coffee grounds?”

  1. They tend to have a good amount of surface area that traps moisture and provides a place for the mycellium to live. (Educated guess)

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  2. Those that promote coffee grounds for growing mushrooms typically grow oyster mushrooms. Oyster mushrooms ( Pleurotus spp .) thrive on almost any kind of lignocellulosic biomass. That includes wood (preferably hardwoods), straw, and, yes, coffee grounds and tea waste ( Tea waste: an effective and economic substrate for oyster mushroom cultivation. ). They can even capture and eat live nematodes, but that’s another story.
    To help the mushrooms grow, it is necessary to reduce the number of competitive organisms like other fungi and bacteria. Commercial growers pasteurize their sawdust, straw or various mixtures. Used coffee grounds have already been pasteurized when the coffee was made. Thus, it’s good to grow oyster mushrooms on coffee grounds if they are fairly fresh – before other organisms start growing on them.
    Commercial growers do not use coffee grounds unless they combine the grounds with sawdust or chopped straw. By themselves, coffee grounds do not produce mushrooms uniformly enough to be profitable.
    This photo shows Pleurotus ostreatus growing on a cottonwood log. (c)2005 Global Creations LLC, All rights reserved.

    Why do mushrooms grow in coffee grounds?

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  3. This happens because the coffee ground particle size is very small. This means the substrate can become too dense and compact, creating poor air exchange for the mushroom spawn. Add coffee grounds directly to the soil in your garden. You can scratch it into the top couple inches of soil, or just sprinkle the grounds on top and leave it alone. In smaller amounts, especially when mixed with dry materials, coffee grounds will give up their nitrogen.

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