The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.
为控制害虫，人们持续且不计后果地使用人工合成化学品，对农作物和人类健康造成危害，事实证明会产生相反的效果。
According to farmers' report, the amount of insecticide needed per acre to control insect pests was only slightly lower for those who tried the modified seed than for those who did not.
根据农民的报告，试验转基因种子的人与没有试验的人相比，每英亩用于控制害虫的杀虫剂用量只是稍微少一点。
One good thing about it is, it offers a means of control over soil-borne diseases and pests.
它的一个优点是它提供了一种控制由土壤以引发疾病和害虫侵害的方法。
Fungi that attack insects are present in soils worldwide, and they are used in gardens, greenhouses, and open fields to control agricultural pests.
真菌主要是在土壤环境中开始对昆虫的攻击，在花园，温室以及户外，人们经常采用真菌来控制农业害虫。
Better understanding how spiders travel long distances could help scientists control farmland pests.
更多地了解蜘蛛如何能长途旅行能帮助科学家控制农田害虫。
Yields were rising, pests appeared under control and fertilisers were replenishing tired soil.
产量不断增加，害虫得到控制，贫瘠的土壤也补充了肥料。
Its terrestrial equivalent is the cane toad, widely introduced in the tropics to control crop pests.
鲶鱼等同于蟾蜍的陆栖能力，使它在热带被广泛引入以遏止庄嫁害虫。
You can buy a lot of the fish for what a lawyer charges per hour, and some authorities, with commendable creativity, even provide them free to help control the pests.
这种鱼很便宜，相比若被处罚而去请律师的花费来说，显然要划算的多，更何况，一些官方机构甚至为房主们提供免费的杀虫服务。
Conventional cotton production relies heavily on chemical pesticides to control caterpillars and other insect pests.
常规棉生产严重依赖化学杀虫剂来防治毛虫和其他虫害。
Some plants would control pests and soil quality naturally, and humans helped by rotating their crops; if extra fertilizer was needed, manure usually filled in.
一些作物本身就具备防治病虫害、保持土壤肥力的功效，人类辅以轮种；即便需要添加一些肥料，大多用的是人畜粪便。
An assortment of chemicals, such as DDT, have been employed since early in the last century to control crop pests or carriers of diseases.
一种化学药品，比如滴滴涕（DDT，一种杀虫剂，在环境中非常难降解，多数国家已经明令禁止或限制生产和使用DDT），从上个世纪早期以来一直被用于控制农作物虫害或者疾病载体。
So pesticides have significantly contributed to declines in bird population and because there will continue to be a need to control agricultural pests in the future this decline will continue.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
So, pesticides have significantly contributed to declines in bird population, and because there will continue to be a need to control agricultural pests in the future, this decline will continue.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
Chemical control - using chemical pesticides to control pests.
化学防治——利用化学杀虫剂来防治害虫。
This article discusses kind of pests of piplar seedlings in Tailai county and puts forward control measures .
本文论述了泰来县杨树苗木主要害虫种类，并提出了防治对策。
The future of bio-control technology of crops diseases and insect pests was prospected.
展望了农作物病虫害生物防治技术的发展前景。
Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata ( Thunb ) Lour .
与麦冬主要病虫害发生规律及防治措施> > 相似的文献。
This paper introduces the kinds of azalea and its distribution in our country, breeding technique, planting and management, and prevention and control methods of insect pests.
介绍了名贵观赏花卉杜鹃花的种类和在我国的分布及其繁育技术、栽培管理和病虫害防治的方法。
The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed.
介绍了云南省烟草主要害虫天敌资源和天敌昆虫的自然控制作用。
Objective to study pests invading and harassing passengers in train, to provide evidence for pest control.
目的查明旅客列车有害生物滋扰侵害乘客的种类，为有效控制提供科学依据。
Use the trap insect pests prevention and control should be combined with chemical control.
利用诱捕器防治害虫应与化学防治相结合。
Special topography of northern Guizhou were large mountainous areas without large area forest region, this went against developing control work of forest pests.
黔北的地形特殊，以山区为主，没有成片成片的大面积林区，这不利于森林病虫害防治工作的开展。
This paper is a study of heavy smoke agent of pesticide using in field control on plant diseases and insect pests.
本文研究了农药重烟剂防治田间农作物病虫害的可能性，并对应用技术和使用方法进行了探索。
Egg parasitoids of the genus Trichogramma are widely used in biological control against Lepidopterous pests.
赤眼蜂属是生物防治中广泛用来防治鳞翅目害虫的一类重要天敌昆虫。
Physical control technique of medlar storage pests is studied primarily.
对枸杞储藏害虫的物理防治技术进行了初步研究。
Physical control technique of medlar storage pests is studied primarily.
对枸杞储藏害虫的物理防治技术进行了初步研究。
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