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根据豇豆钻蛀性害虫的为害特点和多年田间调查的经验,就该类害虫各虫态的调查时间、方法、取样部位、记载取舍等进行探讨,以使调查数据更加合乎客观实际。
According to the pest damage characteristic of cowpea boring insects and the experience of many years of field investigation, the investigation time, method, sampling site, record selection and so on of the pest insects were discussed in order to make the survey data more objective reality.