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树冠结构对主干生长量垂直分配的影响
刘奉觉 郑世锴 卢永农
EFFECT OF TREE CROWN DISPOSITION ON THE VERTICAL DISTRIBUTION OF ANNUAL INCREMENT IN THE MAIN STEM OF POPLAR
Liu Fengjue;Zheng Shikai;Lu Yongnong
林业科学 . 1991, (1): 14 -20 .