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    • Journal of Range Management, Volume 38 (1985)
    • Journal of Range Management, Volume 38, Number 2 (March 1985)
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    Productivity of Russian Wildrye and Crested Wheatgrass and Their Effect on Prairie Soils

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    Author
    Smoliak, S.
    Dormaar, J. F.
    Issue Date
    1985-09-01
    Keywords
    Psathyrostachys juncea
    grasslands
    soil fertility
    Agropyron cristatum
    Alberta
    crop yield
    prairie soils
    forage
    
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    Citation
    Smoliak, S., & Dormaar, J. F. (1985). Productivity of Russian wildrye and crested wheatgrass and their effect on prairie soils. Journal of Range Management, 38(5), 403-405.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645538
    DOI
    10.2307/3899708
    Additional Links
    https://rangelands.org/
    Abstract
    Crested wheatgrass (Agropyron cristatum (L.) Gaertn.) and Russian wildrye (Elymus junceus Fisch.) are used extensively as seeded pastures in the Prairie Provinces of Canada. Rangeland plowed in 1954 was planted to the 2 grasses in 1955. Herbage was harvested over a 25-year period, root weights were determined in 1977, and soil samples were obtained in 1965 and 1978 from the 2 seeded pastures and from adjacent native rangeland from each of 3 replicates. Forage production from the seeded pastures was greatest 4 years after seeding. Averaged over all years, crested wheatgrass yielded 113% more and Russian wildrye yielded 47% more forage than did native rangeland. Total root weight in the surface 15-cm layer of soil was greater on the native rangeland pasture than on the seeded pastures. Soils from native range pastures generally contained more organic carbon, less sodium, and had lower pH and sodium adsorption ratios than the soils from Russian wildrye pastures seeded 10 and 23 years before the soils were sampled. The organic C and pH's of the soils obtained from crested wheatgrass pastures decreased during the 23-year period while those of soils from the native range did not change.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899708
    Scopus Count
    Collections
    Journal of Range Management, Volume 38, Number 2 (March 1985)

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