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Mycelial film is a formidable enemy of high-yielding oyster mushrooms, and growers must be vigilant
Casing soil cultivation is an important measure for obtaining high yields of oyster mushrooms. However, before fruiting or after the first flush is harvested, the casing soil surface often forms an impermeable, airtight mycelial film from vigorously growing aerial hyphae, affecting fruiting. This mycelial film consumes a large amount of nutrients, causing reduced oyster mushroom yields, and must be prevented in production. Causes of mycelial film formation: First, when bag-cultivated oyster mushroom substrate is not fully colonized before casing soil is applied, the hyphae undergo a second vegetative growth on the surface, forming a mycelial film; Second, the cultivation substrate formula is unreasonable, with excessive nitrogen content blocking
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