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    • Journal of Range Management, Volume 56 (2003)
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    Saltcedar recovery after herbicide-burn and mechanical clearing practices

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    Author
    McDaniel, K. C.
    Taylor, J. P.
    Issue Date
    2003-09-01
    Keywords
    plowing
    root plowing
    Tamarix chinensis
    imazapyr
    cost effectiveness
    plant volume
    brush cutting
    volume
    glyphosate
    stems
    height
    riparian areas
    brush control
    mortality
    cutting
    prescribed burning
    land restoration
    plant density
    invasive species
    canopy
    New Mexico
    plant height
    Riparian restoration
    imazapyr
    glyphosate
    prescribed fire
    root plowing
    root raking
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    Citation
    McDaniel, K. C., & Taylor, J. P. (2003). Saltcedar recovery after herbicide-burn and mechanical clearing practices. Journal of Range Management, 56(5), 439-445.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643462
    DOI
    10.2307/4003834
    10.2458/azu_jrm_v56i5_mcdaniel
    Additional Links
    https://rangelands.org/
    Abstract
    Mechanical clearing and herbicide-burn treatments were compared to evaluate saltcedar (Tamarix chinensis Lour.) control and recovery along the Rio Grande on the Bosque del Apache National Wildlife Refuge, Socorro, N.M. The herbicide-burn treatment included an aerial application of imazapyr (+)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid] + glyphosate [N-(phosphono-methyl)glycine] (0.6 + 0.6 kg ai ha-1 rate) followed 3 years later by a prescription broadcast fire that eliminated > 99% of the standing dead stems. Six years after initial herbicide application, saltcedar mortality was 93%. Mechanical saltcedar clearing entailed removing aerial (trunks and stems) growth by blading, stacking and burning debris, followed by removal of underground plant portions (root crowns) by plowing, raking, and burning stacked material. Saltcedar mortality 3 years after mechanical clearing averaged 70%, which was deemed unsatisfactory. Thus, root plowing, raking, and pile burning was repeated. Three years later, after the second mechanical clearing, saltcedar mortality was 97%. Costs for the herbicide-burn treatment averaged 283 ha-1, whereas mechanical control costs were 884 ha-1 for the first surface and root clearing and an additional 585 ha-1 for the second root clearing. Riparian managers should consider environmental conditions and restoration strategies prior to selecting a saltcedar control approach. Although control costs were significantly lower for the herbicide-burn treatment compared to mechanical clearing in this study, the choice of methods should always consider alternative control strategies for saltcedar. Frequently, combinations of methods result in more efficient, cost-effective results.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003834
    Scopus Count
    Collections
    Journal of Range Management, Volume 56, Number 5 (September 2003)

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