First, the raw material itself has many kinds of bacteria, so it should be exposed to raw materials in advance before cultivation, it is best to add fungicide and spices. The second is the open cultivation and extensive management, as well as the serious pollution of the cultivation environment (old mushroom farm), which makes the number and types of bacteria in the culture materials increase. Therefore, it is necessary to strengthen the cultivation and management, and to sterilize the old mushroom house. . Third, the use of aging, degrading strains, or the use of low-grade strains will not only impair the growth of Pleurotus ostreatus but also control or inhibit the growth of various bacteria. IV. Inadequate cultivation and management measures, such as high water content in the feed, too tight charge, poor air permeability, and influence of high-temperature weather, will inhibit the growth of Pleurotus ostreatus mycelium, and do not assume that the higher the water content, the higher the yield. In the months of high temperature from June to August, it is necessary to conduct single-layer placement and water management.
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