使用化学农药是果树保护的重要手段,具有使用方便、效果明显的特点。但是,笔者下乡经常遇到果农提问和在生产中发现,果园中使用农药效果差的现象较为普遍,既污染环境和浪费了农药,又增加了成本。因此,笔者深入果园和走访果农对果园中使用农药效果差的原因进行了认真调查和总结? The use of chemical pesticides is an important means of fruit tree protection, with easy to use, the effect is obvious. However, the author often encountered fruit farmers asking questions and found in production, the phenomenon of poor pesticide use in orchards is more common, not only pollute the environment and waste pesticides, but also increased the cost. Therefore, the author in-depth orchards and fruit farmers visited the orchards in the poor use of pesticides conducted a careful investigation and summary?