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人工栽培平菇常常会在采收第一茬平菇后，第二、三茬菇发生干枯现象。据调查：产生这种现象的主要原因是管理不当所致。其主要防止措施是：一旦4k7k气候干燥会使菇袋失水过快，造成培养袋含水量明显下降。所以在采收第一茬平菇后必须及时进行补水，使料袋湿度保持在75％l以上。
Artificial cultivation of mushrooms often harvest mushrooms in the first stump, the second, three crop mushroom dry phenomenon. According to the survey: The main reason for this phenomenon is due to improper management. The main preventive measures are: once 4k7k dry weather will mushroom bag dehydration too fast, resulting in a significant decline in culture bag water content. Therefore, after the harvest of the first crop of Pleurotus must be timely replenishment, so that the humidity of the material bag maintained at 75% l above.