锦西市张相公屯乡某村村民董凤申,因不懂农药混合配制技术,对其承包的40株果树,盲目滥用药,打落了满树的果实,造成绝产,直接经济损失1000多元。今年7月17日,董凤申误以为单用硫酸铜防治梨黑星病,会比用硫酸铜与石灰按比例配制成的波尔多液防治效果更好。因此,他便用240倍的硫酸铜液加入2500倍的“1605”、4000倍的速灭杀丁、500倍的敌百虫农药,对他承包的40株鸭梨、白梨树进行了所谓的病虫害 Dong Fengshen, a villager of a village in Zhangxianggong village of Jinxi City, ignores the mixed preparation technology of pesticides and blindly uses drugs against 40 contracted trees to knock down the fruits of the tree and cause a total loss of over 1,000 yuan in direct economic losses. July 17 this year, Dong Fengshen mistakenly thought that the use of copper sulfate alone control pear scab, than with copper sulfate and lime prepared proportionally Bordeaux mixture prevention and treatment better. Therefore, he added 2500 times of “1605”, 4000 times of speeding and killing and 500 times of trichlorfon pesticides with 240 times of copper sulfate solution, Pests and diseases