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    • Journal of Range Management, Volume 47 (1994)
    • Journal of Range Management, Volume 47, Number 5 (September 1994)
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    Water balance in pure stand of Lehmann lovegrass

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    Author
    Frasier, G. W.
    Cox, J. R.
    Issue Date
    1994-09-01
    Keywords
    water binding capacity
    water content
    water balance
    evapotranspiration
    rain
    biomass
    Eragrostis lehmanniana
    introduced species
    Arizona
    soil water
    
    Metadata
    Show full item record
    Citation
    Frasier, G. W., & Cox, J. R. (1994). Water balance in pure stand of Lehmann lovegrass. Journal of Range Management, 47(5), 373-378.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644503
    DOI
    10.2307/4002333
    Additional Links
    https://rangelands.org/
    Abstract
    Lehmann lovegrass (Eragrostis lehmanniana Nees), an introduced warm season grass, has invaded grasslands in southern Arizona, in many areas replacing the native warm-season grasses. A water balance evaluation in a pure stand of Lehmann lovegrass showed that more soil water was used through evapotranspiration than occurred as precipitation during 2 years of a 3-year study period. During the winter season, an appreciable amount of water was used by Lehmann lovegrass or lost by evaporation from the soil surface. The remaining available soil water was used in the spring dry period. In the dry early spring the soil water contents (to depths of 120 cm) were less than the traditional wilting point tension of -1.5 MPa. The invasion of Lehmann lovegrass into grasslands of southern Arizona is partially related to its ability to utilize soil water during parts of the year when the native species are dormant and also to extract water from the soil profile to very low water contents.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4002333
    Scopus Count
    Collections
    Journal of Range Management, Volume 47, Number 5 (September 1994)

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