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。
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.
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。
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.
而是用于使一些昆虫过来帮助控制害虫。
Instead, they are used to get some insects to come to the plant to help control harmful insects.
我们应该通过引进天敌这种生物手段来控制害虫。
We should control insects biologically by introducing their natural enemy.
还可以通过机械或物理手段控制害虫,例如捕捉器,光照或声波。
Pests may be controlled using mechanical or physical means, such as traps, light, or sound.
控制害虫、保藏食物以及包装、贮藏和推销农产品的新方法发明了。
New ways have been found for controlling harmful insects, for preserving food, for packaging, storing and marketing farm products.
通过对蜘蛛控制害虫的生物量测定,发现低剂量农药能显著的增加天敌对害虫的捕食量。
The result of biomass of pests under spiders showed that the most suitable low-dose chemical pesticide could remarkablely increase the insect-controlling efficiency of paddy field spiders.
两栖类动物不仅在维持生态平衡、控制害虫等方面有重要作用,而且有重要的经济和药用等价值。
Amphibians play an important role in maintenance of ecological balance, control pests and so on, and they have important economic and medicinal value.
全世界的种植者都在使用新的方法种植葡萄来酿酒,包括用自然或有机的方法取代化学药品来控制害虫和杂草。
Growers around the world are using new methods to grow grapes to make wine. These include natural and organic methods to control harmful insects and weeds instead of using chemicals.
环链拟青霉是一种虫生真菌,是皖南宣城敬亭山马尾松林生态系中的优势种,在松林控制害虫起到了至关重要的作用。
Paecilomyces cateniannulatus, an entomogenous fungus and one of the predominant species of the fungi in a Masson spine plantation ecosystem, plays an important role on forest pest control.
科学家们立即拿出某些明显站不住脚的证据前来救驾,大致说的是如果鸟儿不能控制害虫的话,害虫就会把我们吃掉。
Scinentists jumped to the rescue with some distinctly shaky evidence to the effect that insects would eat us up if birds failed to control them.
作为调节和利用寄生性天敌以控制害虫为害所需的重要基础信息之一,寄生性天敌的寄生行为已有70多年的研究历史。
Behaviors of parasitoids, as part of important basic information for regulating and utilizing parasitoids to control insect pests, have been studied for more than 70 years.
20世纪60年代末期,当斯里兰卡繁荣的椰子果园被潜叶昆虫侵扰时,一种从新加坡引进的寄生幼虫将这种害虫控制住了。
In the late 1960s, when Sri Lanka's flourishing coconut groves were plagued by leaf-mining hispides, a larval parasite imported from Singapore brought the pest under control.
蔗蜍早在1935年就被引进,以控制一种破坏澳大利亚甘蔗种植园的害虫。
The cane toad was introduced back in 1935 to control an insect pest that was destroying Australia's sugarcane plantations.
奥格贝说,专家们正在研究如何控制这种害虫的危害,并防止其蔓延,直到现在,这种情况基本上还没有得到控制。
Ogbeh says experts are investigating how to control the pest's damage and prevent its spread, which has gone largely unchecked until now.
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。
Fungi that attack insects are present in soils worldwide, and they are used in gardens, greenhouses, and open fields to control agricultural 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。
Better understanding how spiders travel long distances could help scientists control farmland pests.
一家美国家居用品公司和东方宾馆的管理层开了一场技术座谈会,讨论使用工业害虫控制产品对付蟑螂。
An American household products company had given a technical seminar to the Dong Fang Hotel management on the use of industrial pest control products to deal with the cockroach problem.
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。
One good thing about it is, it offers a means of control over soil-borne diseases and pests.
2010年的版本控制了九中地上害虫和七种土壤害虫,还抑制了其他三种。
The 2010 version controlled nine above-ground pests and seven in the soil, and suppressed three more.
我们的研究只是表明有机农业可以使农业害虫的天敌群落更加平衡,可以更好控制农业害虫。
What our study suggests is that organic agriculture is promoting these more balanced natural enemy communities and they may have better, organic pest control.
产量不断增加,害虫得到控制,贫瘠的土壤也补充了肥料。
Yields were rising, pests appeared under control and fertilisers were replenishing tired soil.
公司于2004年推出了下一代控制了15种地上害虫中的九个,还控制了八种土壤害虫中的七个。
In 2004 the company introduced a successor that controlled nine of the 15 above-ground pests and seven of the eight that lived in the soil.
公司于2004年推出了下一代控制了15种地上害虫中的九个,还控制了八种土壤害虫中的七个。
In 2004 the company introduced a successor that controlled nine of the 15 above-ground pests and seven of the eight that lived in the soil.
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