物理防治方法
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设施果树红蜘蛛的物理防治方法研究
Study on Method of Physical Control Red Spider in Facilities Fruit-Tree
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农业害虫农业防治和物理防治方法的研究
Effective Control Way of the Pests
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把天敌的利用和生物物理防治方法组装配套,形成苹果害虫绿色管理体系,可大幅度减少化学农药的使用量,降低果品农残污染。
With the combination of natural enemy and Biophysical control , this could form green management system to apple pests , we can reduce the use of chemistry , agricultural chemicals , and to reduce the remainder of chemistry agricultural chemicals in apples .
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概述了管道水合物形成机理和条件,以及目前水合物的物理和化学的防治方法。
The article summarizes the hydrates formation principle and condition in pipelines , and its physics and chemistry prevention method at present .