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本文报道了48%乐斯本乳油防治韭蛆2a的试验结果。表明该药剂每667m2使用150~200ml可有效地控制韭蛆的为害。
This paper reports the test results of 48% LES anti-leek maggots 2a. Show that the drug per 667m2 150 ~ 200ml can effectively control the leek maggot damage.