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辉南森林经营局在1982年开始引种班克松，1984年在四岔林场上山造林，经过造林试验证明，该树种具有良好的适应性、速生性。在我们调查过程中发现该树云杉花墨天牛（MonochamussaltuariusGebl．）虫害较重。因此，对其进行了研究，发现该虫害与环境有较大关系。三虫害发生与坡
The Huinan Forest Management Bureau started to introduce Bancroft in 1982. In 1984, it re-established the forest in the Sicha Forest Farm. After afforestation test, it proved that the tree species has good adaptability and fast-growing. During our investigation, the pest of the tree Monochamussaltuarius Geb. Was found to be heavy. Therefore, it was studied and found that the pest and the environment have a greater relationship. Three pests occurred with the slope