Methods of prevention and cure measure of forestry harmful biologicalcontrol are very important. The author aimed at this aspect and put forward the corresponding measures.
We get the controlmeasure to the biological after the study on its type, source and the supervisory technology.
本文通过肉类食品的生物性污染的种类、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 biologicalcontrol of weeds, the measure which was first studied and applied, and which has also been proved effective is weed-control by insects.