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    • Rangeland Ecology & Management, Volume 64 (2011)
    • Rangeland Ecology & Management, Volume 64, Number 2 (March 2011)
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    Vegetation Production Responses to October Grazing in the Nebraska Sandhills

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    Author
    Mousel, Eric M.
    Schacht, Walter H.
    Reece, Patric E.
    Herron, Amy E.
    Koehler, Ann
    Issue Date
    2011-03-01
    Keywords
    C3-C4 production dynamics
    October stocking rate
    residual herbage
    vegetation functional groups
    
    Metadata
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    Citation
    Mousel, E. M., Schacht, W. H., Reece, P. E., Herron, A. E., & Koehler, A. (2011). Vegetation production responses to October grazing in the Nebraska Sandhills. Rangeland Ecology & Management, 64(2), 208-214.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/642859
    DOI
    10.2111/REM-D-09-00140.1
    Additional Links
    https://rangelands.org/
    Abstract
    Understanding the long-term effect of summer grazing date and fall stocking rate on herbage production is critical to extending the grazing season in the Nebraska Sandhills. A study was conducted from 1997 to 2002 at the Gudmundsen Sandhills Laboratory located near Whitman, Nebraska, to determine the herbage production response to summer grazing date and October stocking rate on two different sites. Site 1 was dominated by warm-season grasses and site 2 was dominated by cool- season graminoids. At each site, three 0.37-ha pastures were constructed in each of four blocks before application of summer grazing treatments. Pastures in each block were grazed at 0.5 animal-unit months (AUM) ha-1 in June or July, or were deferred from summer grazing. Following summer grazing treatments, October stocking rate treatments (no grazing or 1.0, 2.0, or 3.0 AUM ha-1) were applied to subunits of each summer grazing date pasture during mid-October. Vegetation was sampled in each pasture in mid-June and mid-August and sorted by functional group to determine the effect of 5 yr of grazing treatments on herbage production and residual herbage. Herbage production was not affected by summer or October grazing treatments on the warm-season grass-dominated site. Increasing October stocking rate, however, reduced cool-season graminoid production and subsequent herbage production 25% by year 5 of the study. Residual herbage at both sites at the end of the October grazing periods explained as much as 16% to 34% of subsequent year’s herbage production. Grazing managers in the Nebraska Sandhills can extend the grazing season by lightly stocking pastures in the summer to facilitate additional fall grazing. Heavy stocking in October over several years on cool-season-, but not warm-season-, dominated sites will reduce production of cool- season graminoids on these sites.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/REM-D-09-00140.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 64, Number 2 (March 2011)

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