• Methods of prevention and cure measure of forestry harmful biological control are very important. The author aimed at this aspect and put forward the corresponding measures.

    营林防治措施林业有害生物控制十分重要笔者针对方面进行了阐述同时提出相应的措施。 。

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  • We get the control measure to the biological after the study on its type, source and the supervisory technology.

    本文通过肉类食品生物性污染的种类来源监测技术提出了生物性污染的防治措施

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  • In the biological control of weeds, the measure which was first studied and applied, and which has also been proved effective is weed-control by insects.

    杂草生物防除中,研究应用最早证明效果最好的措施利用昆虫防除杂草。

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  • Conservation and utilization of natural enemies is the basic measure in biological control of agricultural pests.

    保护利用天敌农田害虫生物防治基本手段

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  • Conservation and utilization of natural enemies is the basic measure in biological control of agricultural pests.

    保护利用天敌农田害虫生物防治基本手段

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