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    • Journal of Range Management, Volume 52 (1999)
    • Journal of Range Management, Volume 52, Number 4 (July 1999)
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    Clipping effects on growth dynamics of Japanese brome

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    Author
    Haferkamp, M. R.
    Karl, M. G.
    Issue Date
    1999-07-01
    Keywords
    greenhouse production
    cutting height
    Bromus japonicus
    annuals
    leaves
    height
    shoots
    water availability
    root systems
    weed control
    cutting frequency
    tillering
    tillers
    climatic zones
    biomass
    plant litter
    Montana
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    Citation
    Haferkamp, M. R., & Karl, M. G. (1999). Clipping effects on growth dynamics of Japanese brome. Journal of Range Management, 52(4), 339-345.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643920
    DOI
    10.2307/4003543
    Additional Links
    https://rangelands.org/
    Abstract
    Japanese brome (Bromus japonicus Thunb.) has invaded many northern mixed prairie communities. Understanding how defoliation affects the life cycle or this species is critical for proper grazing management of communities infested with this annual. The objective of this study was to determine the effect of defoliation on growth of Japanese brome. Treatments included no clipping or clipping to 75- or 150-mm stubble height weekly or biweekly for 65 to 70 days in a greenhouse. Response of Japanese brome tiller numbers, leaf height, and above- and below-ground biomass were measured in 1991, 1992, and 1997. Clipping vegetative plants in 1991 reduced tiller numbers and leaf heights, whereas clipping plants with reproductive shoots in 1992 and 1997 increased tiller numbers and reduced leaf heights. Herbage accumulated during clipping, above-ground and total biomass were similar in 1991 and 1997, but lower in 1992. Accumulated herbage was reduced by reducing stubble height from 150 mm to 75 mm on a biweekly frequency and increasing the frequency of clipping from biweekly to weekly at either the 150-mm or 75-mm stubble height. Reducing the stubble height also reduced above-ground and total biomass. Increasing frequency of clipping did not generally affect total biomass. Some inflorescences were produced with even the most severe clipping treatment.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003543
    Scopus Count
    Collections
    Journal of Range Management, Volume 52, Number 4 (July 1999)

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