物理机械防治

物理机械防治法对大沙鼠的防治效果不理想。

Physical mechanical control method of prevention and treatment of Great Gerbils is not satisfied .

本文根据长期工作经验介绍了地下虫害的化学防治、物理机械防治和林业防治方法。

The paper introduces chemical control , physical control and forestry control of urder ground pest on the basis of long term of work experience .

茶园蜘蛛的保护、利用措施有：加强蛛虫测报、采用配套的农业措施、应用物理机械防治和科学合理使用农药。

Utilization and protection of spiders in tea garden have forecast the number of spiders and pests accordingly , Adoption of farming method , Application of physical and artificial method application of pesticide reasonably .

采取严格检疫，农业防治、物理机械、化学防治等措施，能有效控制有害生物的传播蔓延。

Adopting rigid quarantine , agricultural control , physical control , chemical control and so on may effectively control the dissemination and spread of pests .

根据其杂草分布特点，采取农业、物理机械及化学防治措施，能有效控制草害发生与危害。

According to the character of weeds ' distribution , adopting agricultural , physical and chemical control may effectively control the occurrence and damage of weeds .

分析了板枣中的主要虫害种类，从农业措施、生物防治、物理机械法、化学防治等方面阐述了病虫害防治。

This paper analyzes on the main pest species of the jujube , and expounds the pest management from aspects of agricultural measures , bio-prevention , physical and mechanical prevention , and chemical prevention , etc.