1~5d after sowing, heat preservation and moisturizing are the mainstay. No ventilation or less ventilation under normal hyphae germination can promote germination and colonization as soon as possible, and seal the material surface. After the fungus grows for 6-10 days, the mycelium has been basically covered. As the mycelium eats deeper, gradually increase the ventilation. When the fungus grows for 11~18 days, when the mycelium grows to 1/2 of the material layer, it is necessary to perforate and ventilate in time. At the same time, increase the ventilation and increase the oxygen content in the material. When the mycelium grows to more than 2/3 of the material layer, prepare to cover with soil
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