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我场果农在农技人员的指导下，采用在树干上吊挂装有药液的药瓶，用棉绳或棉芯把瓶中药液引注到树干上已钻好的小洞中，让药液通过树干中的导管输送到枝叶上，从而达到防治病虫的目的。实践表明：此法比喷药法省工、省药、防治效率高。一、适用对象此法适用于危害果树林木...
My field of farmers under the guidance of agricultural technicians, the use of hanging in the trunk with a liquid medicine bottle, with cotton rope or cotton core liquid injection into the trunk has been drilled holes in the hole, let medicine Liquid through the trunk of the conduit transported to the foliage, so as to achieve the purpose of pest control. Practice shows that: this method than spraying method of provincial workers, provincial medicine, prevention and control of high efficiency. First, the applicable object This method applies to harmful fruit trees ...