论文部分内容阅读
一、试验目的华东黄杉(Pseudotsuga gaussuii Flous)常绿乔木。树干端直,侧枝发达,树姿优美,材质良好,是很好的观尝和用材树种。我国黄山风景区云谷寺附近有一株大树,为中外游客所珍视。华东黄杉大多数种粒空,育不成苗。在天然林中也很难找到小苗,长期下去,有频于绝
First, the purpose of the test East China fir (Pseudotsuga gaussuii Flous) evergreen trees. Straight trunk straight, developed side branches, beautiful tree pose, good material, is a good view and timber species. Huangshan Scenic Area in China near the Valley Temple has a tree, cherished by Chinese and foreign tourists. Most of East China Douglas Fir seeds empty, sterile seedlings. In the natural forest is also very difficult to find seedlings, long-term, frequent in absolute