Ulmus pumila cv. jinye.
中华金叶榆
temperate Ulmus pumila sparse forest grassland ecosystem
温带榆树稀树草原生态系统
The grafting and cutting propagation tests Ulmus pumila cv.
对中华金叶榆进行嫁接和扦插繁殖试验。
A Study on Occurrence Regularity of Ulmus pumila Withered Disease
白榆干枯病发生规律的研究
Experiment on Grafting and Planting of Ulmus pumila var. Pendula Rehd.
垂榆嫁接及栽植的试验研究。
A study on genetic variation and selection of provenance of Ulmus pumila
白榆种源遗传变异和种源选择研究
Spatial Heterogeneity of Ulmus pumila Open Forest Ecosystem in Otindag Sandy Land
浑善达克沙地榆树疏林生态系统的空间异质性
Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land.
榆树疏林生态系统是浑善达克沙地得重要组分之一。
A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn.
银白杨与白榆远缘杂交的研究。
The principal component analysis on the physical and strength properties of Ulmus pumila clones wood
白榆优良无性系木材物理力学性质的主成分分析
The main plant are Ulmus pumila and Celtis bengeana community, Acer mono and Quercus mongolica community.
天然残存林植被, 主要为榆树, 小叶朴群落和色木, 蒙古柞群落。
Comparison of the Effects of Different N, P and K Fertilization On the Growth of Ulmus pumila Seedlings in Containers
不同氮、磷、钾量对金叶榆容器苗生长效果的比较
Otherwise, the phenology phases of ulmus pumila are not significantly related to precipitation and sunshine duration.
研究表明,榆树物候与降水、日照关系不显著。
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