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    • Journal of Range Management, Volume 44 (1991)
    • Journal of Range Management, Volume 44, Number 2 (March 1991)
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    Vegetation changes following brush control in creosotebush communities

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    Author
    Morton, H. L.
    Melgoza, A.
    Issue Date
    1991-03-01
    Keywords
    land imprinting
    railing
    Chihuahuan Desert
    Sonoran Desert
    Larrea tridentata
    xerophytes
    tillage
    manual weed control
    discing
    deserts
    tebuthiuron
    brush control
    Mexico
    forbs
    shrubs
    plant density
    botanical composition
    canopy
    grasses
    Arizona
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    Citation
    Morton, H. L., & Melgoza, A. (1991). Vegetation changes following brush control in creosotebush communities. Journal of Range Management, 44(2), 133-139.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644958
    DOI
    10.2307/4002311
    Additional Links
    https://rangelands.org/
    Abstract
    Changes in herbaceous plant density and canopy cover of creosotebush (Larrea tridentata Sesse & Moc. ex DC) and associated shrubs following brush control treatments were measured in Sonoran and Chihuahuan Desert communities. Treatments were applied in 2 successive years st the Santa Rita Experimental range, Arizona, and 3 locations in Chihuahua, Mexico. Across all locations and years 1.5 kg/ha tebuthiuron (N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N'-dimethylurea) > 1.0 kg/ha tebuthiuron= disking = disking with furrowing >2-way railing >0.5 kg/ha tebuthiuron > land imprinting in reducing canopy cover of creosotebush and associated shrubs. At the Santa Rita Experimental Range annual precipitation was above long-term mean in 1982, 1983, 1984, and 1985; and grass density increased on all treated and untreated plots. Annual precipitation was below long-term mean during 1986 and 1987 and grass density decreased on both treated and untreated plots but did not decrease to pre-treatment densities. Forb densities were less than 3 plants/m2 throughout the study, except in 1987 when Russian thistle (Salsola iberica Sennen & Pau) increased on all plots. At the Chihuahuan locations, grass densities usually increased during the first year of the study, but very low precipitation throughout the study caused subsequent reductions in grass and forb densities. In dry years brush control treatments did not increase herbaceous plant density.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4002311
    Scopus Count
    Collections
    Journal of Range Management, Volume 44, Number 2 (March 1991)

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