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ulmus pumila造句
1. The grafting and cutting propagation tests Ulmus pumila cv. 2. Technology of Grafting Ulmus pumila var, pendula Rehd. 3. Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land. 4. Ulmus pumila L. is a geographical variety of Ulmus pumila growing in Hun-shandake sandy lands and its southern edge of Xilin Gol Prefecture. 5. Ulmus pumila of Haixing, Yanshan provenance is more suited to high salinity stress growth, more be adapt to coastal saline areas ecological restoration. 6. Wind tunnel test indicated that the volatiles of Ulmus pumila and Ricinus communis have high efficiency to attract Holotria diomphalia. 7. The grafting and cutting propagation tests of Ulmus pumila cv. 8. Since the 1960's, a lot of elms, Ulmus pumila have been killed in Xing-jiang, Henan, Shanxi, Inner Mongolia and other provinces in China. 9. The best regression models (e. g. Ulmus pumila) of leaf content against air SO2 and leaf stomatic resistance could explain that the sulfur acted as pollutant entered plant mainly through stoma. 10. The temporal and spatial changes of ulmus pumila phenology and the relationship with climate factors in Northeast China from 1980 to 2005 were discussed. 11. The Ulmus pumila had strong adaptive ability to the environment, which could grow well under the poor soil. However, ... 12. Compared with Ulmus pumila, Platycladus orientalis showed stronger adjustability in the semi-arid area of Loess Plateau. 13. Spatial patterns of main woody plant populations are aggregative , Ulmus macrocarpa, Acer mono, Ulmus pumila populations in some communities are random. 14. Diversity Indices were applied to analyze the species diversity of sparse Ulmus Pumila L forest pasture, and contiguous grid quadrats were used to test the distribution pattern of arbor population. 15. A Preliminary Study on the Mathematic Model of Leaf Area of Ulmus pumila Linn. 16. Ivela ochropoda is one of the main defoliator pest occurred in Ulmus pumila, and is very serious in Wuqi County.