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提高橡树(即栎类——编者)林的稳定性与生产率,是林业科学与生产的迫切任务,橡树在我国虽然比松类、云杉、桦木、山杨少很多,但仍占有一定的面积,它在人民经济生活中占有巨大的意义,这些珍贵木材在各个经济部门有广泛的用途,而且橡树具有巨大的水土保持作用。营造混交林是提高橡树林分产生率与稳定性的重要措施,目前科学实践证明,
To improve the stability and productivity of the oak tree (oak - ed.) Is an urgent task in forestry science and production. Although oak trees in our country are much less than pine, spruce, birch and poplar, they still occupy a certain area , Which is of great significance in the economic life of the people. These precious woods have a wide range of uses in various economic sectors and the oak tree has a great water and soil conservation effect. To create a mixed forest is to improve the yield and stability of oak stands an important measure, the current scientific practice has proved that,