A bulk substrate is any bigger amount of substrate that is used for mushroom cultivation on a larger scale.
A bulk substrate is any biger amount of substrate that is used for mushroom cultivation on a larger scale.
A bulk substrate for cultivation of Psilocybe cubensis or Pan. cyanescens is for instance straw, dung, dung based compost, worm castings...
Bulk substrates are generaly pasteurised as opposed to grain substrates and flour based substrates which are sterilized and are generaly inoculated using spawn made with whole grains.
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