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    Grazing impacts on selected soil parameters under short-term forage sequences

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    Author
    Mapfumo, E.
    Chanasyk, D. S.
    Baron, V. S.
    Naeth, M. A.
    Issue Date
    2000-09-01
    Keywords
    Hordeum vulgare
    carbon
    water holding capacity
    Bromus inermis
    Bromus riparius
    triticale
    soil properties
    soil depth
    electrical conductivity
    sown grasslands
    mineral content
    soil pH
    soil test values
    Alberta
    potassium
    rotational grazing
    grazing intensity
    nitrogen content
    botanical composition
    beef cattle
    carbon
    electrical conductivity
    nitrogen
    potassium
    soil pH
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    Citation
    Mapfumo, E., Chanasyk, D. S., Baron, V. S., & Naeth, M. A. (2000). Grazing impacts on selected soil parameters under short-term forage sequences. Journal of Range Management, 53(5), 466-470.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643790
    DOI
    10.2307/4003645
    10.2458/azu_jrm_v53i5_mapfumo
    Additional Links
    https://rangelands.org/
    Abstract
    Long-term cultivation is known to change soil physical and chemical properties, but little is known about whether short-term agricultural practices, such as rotational grazing, can initiate such changes. This study investigated the impacts of 3 grazing intensities (heavy, medium, and light) and 4 forages on selected soil physical and chemical parameters of a Typic Haplustoll at Lacombe, Alberta. Measurements were conducted on soil samples collected at the beginning (1993) and the end (1996) of the study. Two perennial forages, smooth bromegrass (Bromus inermis cv. 'Carlton') and meadow bromegrass (Bromus riparius cv. 'Paddock'), and 2 annuals, a mixture of triticale (X Triticosecale Wittmack cv. 'Pika') and barley (Hordeum vulgare L. cv. 'AC Lacombe') and triticale alone were used for the study. Grazing intensity or forage species did not affect carbon-to-nitrogen ratio. Grazing intensity influenced changes in available water holding capacity for the 0-5 cm interval, soil nitrogen for the 30-45 cm interval, soil pH for the 5-15 cm interval and electrical conductivity for all depth intervals except for the 0-5 cm interval (P less than or equal to 0.05). Forage species affected changes in soil carbon in the 0-5 cm interval, soil pH between 0 and 15 cm, and electrical conductivity between 5 and 45 cm (P less than or equal to 0.05). Soil electrical conductivities for all grazing levels and forage treatments were within the range (i.e. 0-2 dS m-1) considered to have negligible effects on plant growth. The minimal effects of grazing and plant species on soil parameters in this study may have been due to the resilient intrinsic properties of the soil and/or the short study length.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003645
    Scopus Count
    Collections
    Journal of Range Management, Volume 53, Number 5 (September 2000)

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