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我县历年多在9月下旬初出现寒露风。它的出现对正在抽穗扬花的双晚影响很大,常造成一定的减产。防止寒露风的危害,
My county over the years in early September there was a cold dew. Its appearance has a great impact on the double night of the flowering and flowering, often resulting in a certain cut. Prevent the harm of cold dew,