利用磷化锌毒签防治幼虫时要在蛀道低端几个新鲜都插毒签，并用泥土密封所有排粪孔。

The Zinc phosphide sticks were inserted into new hole of the gallery from bottom to top, and then the holes had to be blocked with mud.

youdao

利用磷化锌毒签防治幼虫时要在蛀道低端几个新鲜都插毒签，并用泥土密封所有排粪孔。

The Zinc phosphide sticks were inserted into new hole of the gallery from bottom to top, and then the holes had to be blocked with mud.

youdao