风向与树木之生长

The Wind Direction and the Tree Growth

    摘要
  • 摘要: 剖树木干部之断面,察其年轮之多少,约略可知其生长年代之久暂。由年轮之疏密,可考究其历年雨量之丰歉,因雨量丰沛,则滋长旺盛,年轮宽阔;若雨量稀少,则发育迟缓,年轮密狭,适与一寒一暑情形相似。

     

    Abstract: This short essay is based upon the observations in the orchard at Tanshan, Tsingtao.In this district the twigs of fruit-trees are generally bent toward north.

     

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