The substrate would be the nutrient-loaded substance on which your mycelium will develop. Prevalent substrates include brown rice flour combined with vermiculite and h2o (normally called BRF cakes) or full grains like rye or millet. The substrate has to be properly pasteurized to prevent contamination. With everything staying explained, here https://josuewmboa.blogripley.com/39409398/a-simple-key-for-brazilian-cubensis-unveiled