本文探讨了立地环境因素与蓝桉、直干桉人工林地下害虫种类、分布及危害程度的关系。
This paper discusses the relations between the site factors and the species of subterranean pest of Eucalyptus globulus and E.
在昆明试验点测定林保存完好的无性系中，直干桉有5个、蓝桉有3个无性系的材积超过对照（实生木） ，其中超过30 %有6个（直干桉4个，蓝桉2个）。
In those clones maintained completely, the volume of 8 clones (5 E maidenii and 3 E globulus) exceed that of the control and of which 6(4 E maidenii clones and 2 E globulus ) exceed by 30% in Kunming.
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