We should control insects biologically by introducing their natural enemy.
我们应该通过引进天敌这种生物手段来控制害虫。
Crop rotation: the successive planting of different crops on the same land to improve soil fertility and help control insects and diseases.
轮作:在同一块土地上连续种植不同的作物以提高土壤肥力并帮助控制昆虫的生长和疾病的蔓延。
All major efforts to control insects and rodents must be closely coordinated with national programs and practices, especially with the national malaria control program.
所有控制昆虫和啮齿动物的重大措施都必须和当地国家的规章和程序相协调,尤其是同当地的全国疟疾防治计划。
They help plants grow, clean up decaying matter, and help control other insects.
它们帮助植物生长,清理腐烂的物质,帮助制衡其他昆虫。
This in turn helps to control other infectious diseases transmitted by insects.
“这也有助于控制通过昆虫传播的其他传染病” 。
Malaria, Lymes Disease, Bebesia can be carried by insects and with Rabies, will likely grow out of control without human intervention.
各种昆虫会带来疟疾、莱姆病或巴贝斯虫病,类似于狂犬病的病毒性疾病在缺少人类的控制之下会一发而不可收拾。
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。
Yet animals like sheep or goats eat weeds, so they can provide a biological control. Insects and other organisms can also act as biological controls.
然而,像绵羊或山羊之类的动物会吃杂草,因此它们可以起到生物控制作用。昆虫和其他生物也可以起到生物控制作用。
Another possible method of pest control is using genetically modified plants. They have had their genes changed to contain a special characteristic, like resistance to certain insects.
另一个控制虫害的办法就是采用转基因作物。转基因作物的基因进行了重组,以携带某些特殊性状,例如抵抗某些特定昆虫。
Biocontrol agents, such as insects, are often released outside of their native ranges to control invasive plants.
生物防治剂,如昆虫,往往是外面的释放他们的范围,以控制入侵植物。
Instead, they are used to get some insects to come to the plant to help control harmful insects.
而是用于使一些昆虫过来帮助控制害虫。
Scientists jumped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them.
科学家们不确切的证实不及时解决对鸟类不能控制吃光昆虫的后果,那么会影响人类的。
If you discover an outbreak of some insect pest, there is seldom reason for panic. Your job is simply to keep insects under control. You will never eliminate them completely.
如果你在植株上发现了某种虫子,千万不要恐慌,只要把虫害控制住就好了,想完全祛除虫子几乎是不可能的。
The results showed that recirculation fumigation under film can effectively improve airtightness of the warehouse and control stored grain insects.
结果表明,采用膜下环流熏蒸可有效提高仓房的气密性,取得良好的熏蒸杀虫效果。
An important measure to control Pssodes punctatus is to kill the insects inside the infected lumber before rational utilization of the wood to prevent the pests from spreading.
对蠹害木的利用和防止害虫传播是治理害虫中极其重要的环节,为此,必须杀灭蠹害木上华山松木蠹象的虫体。
Preliminary investigation on the insects background provided a scientific basis for further studying on the insects, making control objects and compiling the catalogue of insects from Zijin Mountain.
紫金山昆虫本底调查是一项基础工作,为开展紫金山进一步的昆虫研究,制定防治对象及编写紫金山昆虫名录提供可靠的科学依据。
The technology can put off grain staleness and control the insects and moulds, save cost and labour compared with turning grain and achieve good economic and social efficiency.
可达到延缓储粮品质陈化、控制虫霉危害的目的。同时,可比人工倒仓节约大笔费用和人力,收到了良好的社会效益和可观的经济效益。
Scientists in Singapore have wired up giant beetles and shown that they can control the insects remotely.
新加坡的科学家们给巨型半机械甲虫连通电源,并证明了他们能够远程操控这些昆虫。
The fungal biocontrol agents Metarhizium species and varieties have been widely applied for insect control but their targets rarely aim at sucking-type homopteran insects such as aphids.
害虫生防真菌绿僵菌的不同种及变种被广泛应用于害虫微生物防治,但罕见以蚜虫等同翅目刺吸式害虫作为靶标。
Use of fertilizers, chemicals to control or destroy weeds and harmful insects, and improved methods of controlling plant and animal diseases has boosted farm production.
肥料和用以防治或铲除杂草及扑灭害虫的化学品,防止动植物病害的新方法,都是使农业增产的原因。
Field tests of Zhejiang province and Jiangsu province have been confirmed that it has fine control effect for many insects of rice and cotton.
稻安磷乳油经浙江、江苏两省八个地区的应用,表明对水稻和棉花等作物的多种害虫均具有良好的防治效果。
By 2045 we should see insect-sized robotic insects capable of flying in co-ordinated swarms. They might be used for crop pollination purposes or as battlefield or crowd control cameras.
到2045年,世界上将有昆虫大小的昆虫机器人,他们能协调地成群飞,可用于作物授粉、战场或群体监控摄像机。
Olfactory plays important roles in the behavior of insects, illustrating the olfactory mechanism will be useful to regulate insect behaviors for effective pest control.
嗅觉是昆虫产生行为的重要物质基础,阐明昆虫嗅觉机理有助于调控昆虫行为和进行害虫治理。
The material and method for the experiment, observation and results, growth characteristic and product, control of insects were explained respectively.
文章对耳叶马兜铃引种试验的材料与方法、试验内容与结果、生长特性及产量以及病虫害的防治,分别作了阐述。
Phosphine (PH3) is one of the best fumigant, widely recognized as the performance control stored product insects.
磷化氢(PH3)是目前公认的防治储藏物害虫性能最优良的熏蒸剂之一。
A concise result was obtained by sampling, which provided specific data for the macro-classification and evaluation and for working out strategies to control the stored product insects.
共划分为四类区域,分层抽样,进而得出较精确的调查结果,为进行宏观分类评价和制定防治策略提供了数量依据。
A concise result was obtained by sampling, which provided specific data for the macro-classification and evaluation and for working out strategies to control the stored product insects.
共划分为四类区域,分层抽样,进而得出较精确的调查结果,为进行宏观分类评价和制定防治策略提供了数量依据。
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