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棉花覆膜栽培改变了棉田的小气候,棉田病虫害发生规律也相应发生了变化.1981—1983年,我们对本团覆膜田的病虫害发生规律和防治进行了研究.
Cotton covered cultivation changed the microclimate of cotton field, and the occurrence rules of pests and diseases in cotton field also changed correspondingly. From 1981 to 1983, we studied the law of occurrence and control of pests and diseases in this field.