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闫家河毕业于山东省林业学校森保专业。他说他之所以挚爱森防这个职业,除了痴迷、兴趣以外,更多的是一种责任和义务!上世纪90年代,华东、华北平原地区的杨树上,发生了严重的杨潜叶叶蜂虫害,景观形象和树木生长受到严重损害。刚刚工作不久的闫家河,在观察虫害的同时,发现在有虫枝叶周边,飞舞着一种体型很小的姬蜂,凭着职业的敏感,他断定是天敌。在没有任何记载的情况下,他持续观察,最终摸
Yan Jiahe graduated from forestry school in Shandong Province Forestry Insurance. He said that he loves Mori defense profession, in addition to obsession, interest, more is a responsibility and obligation! In the 90s of last century, East China, North China Plain poplar, a serious Yang Qian leaf bee , The landscape image and the growth of trees are severely damaged. Yan Jiahe, who had been working for a short while ago, was observing the pests and found that there was a kind of small wasps flying around the branches and leaves of insects. Due to his professional sensitivity, he concluded that it was a natural enemy. In the absence of any documented circumstances, he continued to observe the final touch