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    Author(s): H. Reed Sanderson; Richard L. Hubbard; Donald W. Seegrist
    Date: 1963
    Source: Res. Note PSW-RN-026. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 7 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (1.07 MB)

    Description

    The second year's data of a study designed to test the effects of perennial grass competition on the vigor of bitterbrush (Purshia tridentata) in an area of heavy bitterbrush mortality are reported. The data demonstrated that competition from other plants, mainly perennial grass, significantly reduced bitterbrush growth.

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    Citation

    Sanderson, H. Reed; Hubbard, Richard L.; Seegrist, Donald W. 1963. Effects of grass competition on bitterbrush: second-year report. Res. Note PSW-RN-026. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 7 p

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