herbicides

There is a lot of concern over the amount of herbicides and pesticides used in farming.

人们对农业上灭草剂和杀虫剂的用量非常担忧.

《简明英汉词典》

Resistance of weeds to certain herbicides is beginning toshow up.

杂草对某些除草剂的抗药性已显现出来.

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Arsenic is widely associated with the manufature of herbicides and pesticides.

砷广泛地应用于除草剂和杀虫剂的制造中.

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Herbicides are difficult to apply horizontally over long distances.

要在长段距离的水平方向施用除草剂也很困难.

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Phenylcarbamate herbicides were among the earliest herbicides developed.

氨基甲酸苯酯除莠剂是发展最早的一种除莠剂.

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Among the many regulatory substances in use we have controllable and selective herbicides.

在所有的许多调节物质中,有控制性的和选择性的除草剂.

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Herbicides provide a cheaper and more effective means of controlling weeds than cultivation.

除草剂比清耕消除杂草成本低,效率高.

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Poisons that generally affect only unwanted plants, or weeds, are called herbicides.

那些只抑制多余植物或杂草生长的药被称为除草剂.

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Most herbicides were degraded and run off in soil.

大部分除草剂在土壤环境中被降解或流失.

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Note: Some sulfonylurea herbicides have other general names, tradenames and code names.

注: 有些除草剂还有其它通用名 、 商品名或代号.

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Scientists have known for years that weeds develop resistance to herbicides.

科学家们早在几年前就了解到杂草对除草剂产生了抗体.

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Acetochlor is currently one of most widely used herbicides in China.

乙草胺是目前我国使用最广泛的除草剂之一.

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Note: Some sulfonylurea herbicides have other generalnames, tradenames and code names.

注: 有些除草剂还有其它通用名、品名或代号.

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Efficacies of 8 herbicides in winter oilseed rape field were compared.

研究了8种除草剂防除冬油菜田杂草的效果.

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The researchers placed the hibersites [ herbicides ] on the sorghum seeds.

研究者把除草剂放在高粱种子上.

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