The idea of using microorganisms to control plant pests is not new.

用微生物来控制病虫害的设想并不新鲜.

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The crops suffered from frequent blights.

农作物经常遭受病虫害.

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Pest control is one of the major areas of concern in intensive agriculture.

病虫害防治是集约型农业所关心的主要方面之一.

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Spraying with insecticides and fungicides may be necessary to control any insects and diseases.

也许有必要喷洒杀虫剂和杀菌剂以防止病虫害.

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The application of gaseous ozone as ( biocide ) is a questionable practice.

温室中使用臭氧气体防治病虫害是个错误.

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It's been a bad season with disease and that terrible cyclone.

因为病虫害和龙卷风,菠萝的收成不是很好.

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Plant disease and insect pest monitoring and reporting system.

病虫害监测预报系统.

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Integrated insect pest control and effective water management should be developed.

发展病虫害防治和水分管理措施.

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To improve crop resistance and reduce crop diseases and pests physiology.

提高作物抗病能力,减少作物生理病害和病虫害.

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This old man is a leading authority on wheat diseases.

这位老人是小麦病虫害方面的权威.

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But the plant falls prey to more than 20 pests and diseases.

不过木薯也并不是完美无缺,有20多种病虫害都对它虎视眈眈.

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An unknown disease suddenly attacked the crops in this area.

一种尚未搞清的病虫害突然侵袭了这一带的庄稼.

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Table 10. The major pest infestion of each crop.

表10. 各作物发生之主要病虫害名称.

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Garden plant pest control.

园林植物病虫害防治.

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He is a leading authority on plant diseases.

他是植物病虫害方面的最高权威.

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