The rooting rates of P, davidiana in phytotron reached 85%.
在人工气候室条件下，山杨扦插生根率达85％。
There were no detailed studies on litter and forest floor of Populus davidiana and Fraxinus mandshurica in this region.
针对帽儿山林区的水曲柳、山杨两种主要林分类型凋落物以及林下凋落物层进行细致的研究较少。
In this paper, the biomass of 20-year-old Keteleeria davidiana var. Chien-peii colony in Qingyan Town of Guizhou province has been investigated and analyzed.
本文对贵州省青岩镇20年生珍稀植物—青岩油杉种群生物量进行测定和研究。
Now the willow has germination, early flowering Prunus davidiana is much also, and children of the sky decorated anaphora, become integrated with the gentle spring.
但此时地上的杨柳已经发芽，早的山桃也多吐蕾，和孩子们的天上的点缀照应，打成一片春日的温和。
Now the willow has germination, early flowering Prunus davidiana is much also, and children of the sky decorated anaphora, become integrated with the gentle spring.
但此时地上的杨柳已经发芽，早的山桃也多吐蕾，和孩子们的天上的点缀照应，打成一片春日的温和。
应用推荐