So the drought and higher air temperature in summer was the important conditions of the Heliothis armigera great occurrence.

因此，夏季干旱少雨和气温偏高是棉铃虫大发生的重要条件。

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So the drought and higher air temperature in summer was the important conditions of the Heliothis armigera great occurrence.

因此，夏季干旱少雨和气温偏高是棉铃虫大发生的重要条件。

youdao