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    • Journal of Range Management, Volume 25 (1972)
    • Journal of Range Management, Volume 25, Number 4 (July 1972)
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    Ten Year Yield Response of Beardless Wheatgrass from a Single Nitrogen Application

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    Author
    Mason, J. L.
    Miltimore, J. E.
    Issue Date
    1972-07-01
    
    Metadata
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    Citation
    Mason, J. L., & Miltimore, J. E. (1972). Ten year yield response of beardless wheatgrass from a single nitrogen application. Journal of Range Management, 25(4), 269-272.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/647514
    DOI
    10.2307/3896910
    Additional Links
    https://rangelands.org/
    Abstract
    Forage yields were measured from 1959 to 1968 in response to a single fertilizer application in the fall of 1958 in southern British Columbia. The ten-year accumulated forage yield of beardless wheatgrass increased from 3000 pounds per acre at zero nitrogen treatment to 7750 pound per acre at 450 pounds per acre nitrogen treatment. Yield response from the lower application rates was greatest in the earlier years of the experiment. The general yield levels declined in the later years of the experiment. Nitrogen concentration in plant tops increased from 0.7 percent at the zero application level to 1.5 percent at the 450 pound application level in the first year. Nitrogen concentration gradually declined over the first eight years at the higher application rates. By the last two years, there was no effect remaining of treatment on nitrogen accumulation. Plant analyses for Ca, K, Mg, Zn, Mn and Fe showed sharp declines in Ca and Zn but only minor changes in other elements from increasing nitrogen application levels. Plant crown diameter had increased from 4.4 to 5.2 inches with increasing nitrogen rates by the fifth year of the experiment.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3896910
    Scopus Count
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    Journal of Range Management, Volume 25, Number 4 (July 1972)

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