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forest insect control
相关语句
  林木害虫防治
     The Utilization of Plant Genetic Engineering in Forest Insect Control
     植物基因工程及其在林木害虫防治上的应用
短句来源
  “forest insect control”译为未确定词的双语例句
     Action of Luring Insects to Their Death with Lamps on Injurious Forest insect Control
     灯光诱杀在林业害虫防治中的作用
短句来源
  相似匹配句对
     forest .
     林。
短句来源
     The Mutualism of Insect and Fungi in the Forest Ecosystem
     森林生态系统中昆虫与真菌的互惠共生
短句来源
     Forest Insect Pest and Its Control in Huzhu
     互助森林病虫害及防治
短句来源
     About Comprehensive Utility of Forest Insect
     浅谈森林害虫综合利用
短句来源
     Forest Insect Pest Control in Datong County
     大通县森林病虫害防治
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Ant is a kind of social insect, having a large population and enjoying a widest dis-tribution on earth. It is characterized by numerousness, high predacity and stability incolony. It is useful in forest insect control. Many countries in the world use ants to controlforest insects. Germany is the earliest country for ant utilization. In the beginning of thiscentury much progress was made by German entomologists in research on ant habit andmany ways of ant utilization were invented. Other countries...

Ant is a kind of social insect, having a large population and enjoying a widest dis-tribution on earth. It is characterized by numerousness, high predacity and stability incolony. It is useful in forest insect control. Many countries in the world use ants to controlforest insects. Germany is the earliest country for ant utilization. In the beginning of thiscentury much progress was made by German entomologists in research on ant habit andmany ways of ant utilization were invented. Other countries include Poland, Italy, Canada,former USSR, South Korea, Japan and China. Only a few species of ants damage trees,feeding on leaf, flower and young bud. Chemical control may be made to control the har-mful ants. Henceforward the orientation in research is to find out the highly effective andnonpolluting ways in using the beneficial ants to control forest insects and controlling theharmful ones.

本文介绍了国内外森林蚂蚁的研究概况,总结了世界上利用有益森林蚁类的历史和方法,以及有害蚂蚁及其防治途径。对今后的蚂蚁利用研究提出了建议。

It becomes more and more carefully to control forest insects by pesticide because the people's senses of environmental protection have been constantly strengthened.In this paper,the principle of luring insects to their death with lamps has been introduced.And at the meantime,application of luring insects to their death with lamps on forest insects control and its existent teehnical problems and countermeasures have also been introduced.

化学农药防治森林害虫随着人们环保意识不断增强在应用中越来越慎重。本文介绍了简便易行的灯光诱杀技术的原理、灯光诱杀在林业害虫防治中的广泛应用及其存在的技术问题和对策。

 
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