IPM is an effective pest control method that uses information on the life cycle of the pest and incorporates nonchemical and chemical methods.
这种方法是一种有效的综合运用非化学和化学方法的方法，并充分利用害虫生长周期的一种方法。
Using system science methods to study the system control of pest insect population, has an obvious social significance and practical value.
以系统科学方法研究害虫种群系统的控制，具有明显的社会意义和实践意义。
In addition, this paper also put forward the strategy and principle of integrated control of the seed pest, as well as steps and methods of evaluating integrated control.
并提出青海云杉种实害虫综合治理的策略、原则以及评价青海云杉种实害虫综合治理的步骤和方法。
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