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试验结果表明：５２ ．２５ ％ 农地乐乳油７５０ｍｌ／ｈｍ ２ 、９００ ｍｌ／ｈ ｍ ２ 和１０５０ｍｌ／ｈｍ ２ 三种处理防治棉铃虫均具良好效果。施药后３ ～７ 天的防效介于８２ ．６ ％ ～９１ ．４ ％ ，且三种处理两两间效果差异不显著
The test results show that: 52. The control of cotton bollworm with 25% agroforestry oil 750ml / hm 2, 900ml / h m 2 and 1050ml / hm 2 all had good results. 3 to 7 days after application of anti-efficacy between 82. 6% ~ 91. 4%, and the difference between the two treatments is insignificant