Full TGIF Record # 92582
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Web URL(s):http://www.jswconline.org/content/58/5/243.full.pdf+html
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http://www.jswconline.org/content/58/5/243.full.pdf
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Publication Type:
i
Professional
Author(s):MacDonald, N. W.; Koetje, M. T.; Perry, B. J.
Author Affiliation:MacDonald: Associate Professor, Biology and Natural Resources Management, Grand Valley State University, Allendale, Michigan; Koetje and Perry: Formerly undergraduate students in the Natural Resources Management program, Grand Valley State University, Allendale, Michigan
Title:Native warm-season grass establishment on spotted knapweed-infested gravel mine spoils
Section:Research
Other records with the "Research" Section
Source:Journal of Soil and Water Conservation. Vol. 58, No. 5, September/October 2003, p. 243-250.
Publishing Information:Ankeny, IA: Soil and Water Conservation Society
# of Pages:8
Related Web URL:http://www.jswconline.org/content/58/5/243.abstract
    Last checked: 08/13/2013
    Notes: Abstract only
Keywords:TIC Keywords: Warm season turfgrasses; Native grasses; Density; Turfgrass establishment; Centaurea maculosa; Weed infestation; Mine soils; Sewage sludge; Glyphosate; 2,4-D; Competition; Soil fertility
Abstract/Contents:"We studied the establishment of native warm-season grasses on gravel mine spoils infested by spotted knapweed (Centaurea maculosa), an exotic perennial that is difficult to control on droughty, infertile sites. We applied factorial combinations of sewage sludge (0 and 11.9 Mg ha-1 [5.3 tons ac-1]) and herbicide (none; 2,4-D; and glyphosate) to evaluate their effects on native grass establishment and on competition between native grasses and spotted knapweed. While native grasses were successfully established with all treatment combinations, sludge application reduced their densities. Warm-season grass biomass subsequently increased rapidly on both sludge and control plots. Both herbicide treatments reduced density and biomass of knapweed during the first two years of the study, but glyphosate and sludge interacted to produce increased knapweed biomass during the third year. For this reason, it may be desirable to delay application of sludge amendments until warm-season grasses are well established in herbicide-treated areas. The response of knapweed to improved soil fertility was dependent on the degree of grass competition, and where this remained high, knapweed dominance was suppressed. While warm-season grasses appeared to compete successfully with spotted knapweed, additional control measures may be required to maintain grass dominance on this and similar knapweed-infested sites."
Language:English
References:38
See Also:Other items relating to: 2, 4 - D in Turf
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
MacDonald, N. W., M. T. Koetje, and B. J. Perry. 2003. Native warm-season grass establishment on spotted knapweed-infested gravel mine spoils. J. Soil Water Conserv. 58(5):p. 243-250.
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Web URL(s):
http://www.jswconline.org/content/58/5/243.full.pdf+html
    Last checked: 10/01/2008
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.jswconline.org/content/58/5/243.full.pdf
    Last checked: 08/13/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 622 .J65
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