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林口县青山林场是黑龙江省的重要林木良种生产基地之一,也是省林业科学院林业研究所的主要研究基点之一。早在1964年即由省林业研究所主持在青山林场试建了落叶
The Qingshan Forest Farm in Linkou County is one of the major forest seed production bases in Heilongjiang Province and one of the major research bases of the Forestry Research Institute of the Provincial Academy of Forestry. As early as 1964, the provincial Forestry Research Institute hosted a deciduous test in Qingshan Forest Farm