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Publication Type:
i
Report
Author(s):Yang, Jing-hui; Wang, Yan-rong; Su, Min; Zhao, Wen-li; Liu, Zi-ye
Author Affiliation:College of Life Science, Inner Mongolia University, Hohhot, China
Title:Comparative research of soil moisture utilization characteristics of Festuca ovina L., Koeleria cristata L. and Poa pratensis under long-term soil drought
Source:Zhongguo Caodi Xuebao [Chinese Journal of Grassland]. Vol. 34, No. 6, 2012, p. 44-48.
# of Pages:5
Publishing Information:[China]: Zhongguo Nongye Kexueyuan Caoyuan Yanjiusuo
Related Web URL:http://en.cnki.com.cn/Article_en/CJFDTOTAL-ZGCD201206008.htm
    Last checked: 04/07/2017
    Notes: Abstract only
Keywords:TIC Keywords: Choice of species; Comparisons; Drought resistance; Evapotranspiration rate; Festuca ovina; Koeleria macrantha; Poa pratensis; Soil moisture; Species trials; Wilting
Abstract/Contents:"For selecting native turfgrass species which had stronger drought resistances, pot cultivation experiment was conducted to study the effects on the survival days, dynamic of daily mean evapotranspiration rate, wilting coefficients, soil moisture utilization rate of Festuca ovina, Koeleria cristata under long-term soil drought treatment from June to September in 2010, and Poa pratensis was used as control. The results indicated that: (1) The total survival days of F. ovina, K. cristata populations were 18 to 22 days longer than P. pratensis, and the temporary wilting time were 14 to 17 days, longer than P. pratensis. (2) The daily mean evapotranspiration rate of F. ovina and K. cristata populations were significantly lower than P. pratensis before temporary wilting, the daily mean evapotranspiration rate of two wild species were 60.44%, 65.38%, respectively, compared with the index of P. pratensis. (3) The critical levels of soil moisture content of F. ovina and K. cristata populations were significantly lower than P. pratensis when temporary wilting and permanent wilting happened, the wilting coefficients had no significant differences between F. ovina and K. cristata, but significantly lower than the index of P. pratensis respectively. The mean maximum soil moisture utilization rate of the two wild grass populations were 75.26%, significantly higher than P. pratensis which was 64.11%. (4) The maximum soil moisture utilization rate of different species were as follows: F. ovina K. cristata P. pratensis."
Language:Chinese
References:Unknown
Note:Abstract also appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yang, J.-h., Y.-r. Wang, M. Su, W.-l. Zhao, and Z.-y. Liu. 2012. Comparative research of soil moisture utilization characteristics of Festuca ovina L., Koeleria cristata L. and Poa pratensis under long-term soil drought. (In Chinese) Zhongguo Caodi Xuebao [Chinese Journal of Grassland]. 34(6):p. 44-48.
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