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为了探讨油桐速生丰产技术,云阳县林业局从1979年开始在千丘村进行了营造速生丰产桐林的试验.现将获得材料整理如下.
In order to explore the tartar’s fast-growing and high-yielding technology, Yunyang County Forestry Bureau started to test the fast-growing and high-yielding tunglin in Qianqiu Village since 1979. The materials obtained are as follows.