mountain ash

Study On Transplantation Test Of Glabrous Mountain Ash Tissue Culture Seeding

无毛花楸组培苗移栽试验研究

This paper discusses the factors that can affect survival ratio of glabrous mountain ash tissue culture seeding through the aspects of culture quality , transplantation groundmass , effective leaves , humidity and temperature .

该研究从无毛花楸组培育质量、移栽基质、有效叶片数、湿度、温度等方面试验，讨论了影响组培苗移栽成活率因素。

Some thinking about detailed design and construction of mountain ash field

山谷型灰场深化设计与施工的几点思考

The house itself was under the guardianship of the fir , the mountain ash , and the acacia ; and a thick screen of them altogether .

宅邸本身处在枞树、山梨树和阿拉伯橡胶树的荫蔽之下，它们一起构成一道厚密的屏障。

There is not entirely consistent between the study and traditional understanding of the volcanic ash soils . ( 3 ) Can be seen from the correlation analysis , chemical properties of soil in CHANGBAI Mountain ash influence each other .

这与传统上对火山灰土的认识并不完全一致。（3）从相关分析中可以看出，长白山火山灰土的各种化学性质相互影响。

Any of several fast-growing deciduous trees of the genus Populus having unisexual flowers borne in catkins . A wild mountain ash ( Pyrus decora ) of eastern North America .

美国鹅掌揪几种鹅掌楸属中快速成长的落叶乔木的一种，其花为单性穗状花花楸北美东部的一种野生花楸（装饰梨）

CHANGBAI Mountain volcanic ash soils humus layer with higher levels of organic matter , all rich in nitrogen , total phosphorus is missing .

长白山火山灰土的表层有机质腐殖质含量较高、全氮量丰富、全磷量缺少。

Reflect the chemical nature of the CHANGBAI Mountain volcanic ash soils is determined organic macromolecules , acidity , and elements of these three factors .

反映了长白山火山灰土的化学性质决定在于有机大分子，酸度和元素这三个因子。

They ignored the erosion of the mountain by the volcanic ash !

他们忽视了山体被火山灰腐蚀的迹象！