Research Progress of the Biological Control for Lymantria dispar L. 舞毒蛾生物防治研究進(jìn)展。
Biological control has been used in many parts of the world. 生物防治曾經(jīng)在世界許多地方使用。
This event was pivotal in establishing biological control as a practical means of reducing pest populations. 這件事對于建立生物控制從而有效地防治害蟲(chóng)起著(zhù)至關(guān)重要的作用。
Rachid Hanna advises farmers to use biological controls such as natural enemies of the aphids. 拉齊德漢納建議農民們采用諸如引入蛀蟲(chóng)天敵的生物控制方法。