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    • Journal of Range Management, Volume 51 (1998)
    • Journal of Range Management, Volume 51, Number 2 (March 1998)
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    The deterioration of tall wheatgrass pastures on saline sodic soils

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    Author
    Taboada, M. A.
    Rubio, G.
    Lavado, R. S.
    Issue Date
    1998-03-01
    Keywords
    sodic soils
    B horizons
    particle size analysis
    saline soils
    tillage
    A horizons
    silt loam soils
    topsoil
    clay loam soils
    grassland improvement
    sown grasslands
    loam soils
    soil water content
    Argentina
    botanical composition
    Elytrigia elongata
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    Citation
    Taboada, M. A., Rubio, G., & Lavado, R. S. (1998). The deterioration of tall wheatgrass pastures on saline sodic soils. Journal of Range Management, 51(2), 241-246.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644185
    DOI
    10.2307/4003213
    Additional Links
    https://rangelands.org/
    Abstract
    The deterioration of sown tall wheatgrass (Elytrigia elongata) growing on 3 sodic saline soils was investigated in the Laprida basin, in the center of the Buenos Aires province of Argentina. These soils are known to have poor drainage and high saline levels and support different species associations. On each soil type the native grassland was compared to sown wheatgrass, in terms of plant density and cover and soil physical and chemical characteristics. The 3 soil types reacted differently to tillage. Tillage had little impact on soil type A (typic Natraquoll), a poorly drained soil with a loamy A horizon (14 cm) overlying a silty clay loam. Soil type B (typic Natraquaf), a wet texture contrast soil with bleached horizons has characteristics that are likely to severely limit plant growth. The sowing of wheatgrass increased ground cover by live vegetation on this soil type. This contrasted with soil type C (typic Natralboll), a saline soil with an organic matter-rich but thin (8 cm) A horizon. In this soil, the plant density declined and other components such as pasture cover also declined with time. This pasture deterioration was attributed to several soil factors including decreased organic matter content and increased soil bulk density. It was concluded that the varied performance of wheatgrass sown pastures was a function of the different inherent characteristics of the soils.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003213
    Scopus Count
    Collections
    Journal of Range Management, Volume 51, Number 2 (March 1998)

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