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    • Journal of Range Management, Volume 38 (1985)
    • Journal of Range Management, Volume 38, Number 1 (January 1985)
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    Recovery of Vegetative Cover and Soil Organic Matter During Revegetation of Abandoned Farmland in a Semiarid Climate

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    Author
    Dormaar, J. F.
    Smoliak, S.
    Issue Date
    1985-11-01
    Keywords
    agricultural land
    abandoned land
    soil organic matter
    grasslands
    reclamation
    ecological succession
    Saskatchewan
    Alberta
    vegetation
    semiarid zones
    land restoration
    soil chemistry
    rangelands
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    Citation
    Dormaar, J. F., & Smoliak, S. (1985). Recovery of vegetative cover and soil organic matter during revegetation of abandoned farmland in a semiarid climate. Journal of Range Management, 38(6), 487-491.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645541
    DOI
    10.2307/3899737
    Additional Links
    https://rangelands.org/
    Abstract
    Much of the farmland in the Canadian Prairie region has been abandoned over the years and allowed to revert to weedy cover and eventually to grassland. While some of the changes in vegetation during plant succession have been documented, limited information is available on changes in soil characteristics. The purpose of this study was to assess the vegetative cover and soil transformation under similar semiarid climatic conditions with an annual precipitation of about 310 mm on 3 sites abandoned in 1925, 1927, and 1950 as compared to adjacent native range. Total C and N, water-stable aggregates between 1.0 and 5.0 mm, and polysaccharide content increased, while chelating resin-extractable C, humic acid/fulvic acid ratios, caloric content of the rootmass, and dehydrogenase activity decreased in the successional sequence. Nevertheless, more than 55 years will be required to allow soil to return to native range standards under moderate grazing by livestock. Revegetated range may have to be subjected to lighter grazing pressures than usual to allow the vegetation to continue to increase its rootmass and thus the soil chemical properties. A hypothesis to explain changes in root- and top-mass ratios with time on the basis of the quality of soil nitrogen has been advanced.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899737
    Scopus Count
    Collections
    Journal of Range Management, Volume 38, Number 1 (January 1985)

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