Full TGIF Record # 24862
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Author(s):Todd, T. C.; James, S. W.; Seastedt, T. R.
Author Affiliation:Department of Plant Pathology, Throckmorton Hall, and Division of Biology, Ackert Hall, Kansas State University; Department of Physiological and Biological Sciences, Maharishi International University, Iowa; USA and INSTAR, University of Colorado
Title:Soil invertebrate and plant responses to mowing and carbofuran application in a North American tallgrass prairie
Source:Plant and Soil. Vol. 144, No. 1, July 1992, p. 117-124.
# of Pages:8
Publishing Information:Dordrecht, Netherland: Martinus Nijhoff Publishers
Related Web URL:http://link.springer.com/article/10.1007/BF00018852
    Last checked: 10/14/2015
    Notes: Abstract only
Keywords:TIC Keywords: Andropogon gerardii; Earthworms; Nematoda; Panicum virgatum; Sorghastrum nutans; Mowing; Carbofuran
Abstract/Contents:"Relationships between soil invertebrate populations and primary production of a tallgrass prairie were investigated using the insecticide-nematicide carbofuran and a range of mowing intensities to manipulate invertebrate densities and resource quantity and quality. The trophic composition of nematode populations was monitored through each of two growing seasons. Earthworm and macroarthropod densities and primary production were assessed at the end of the second season. Invertebrate densities were generally reduced in carbofuran-treated plots, although individual weights of surviving macroarthropod herbivores increased significantly (p<0.05). Carbofuran failed to affect estimates of above- or belowground plant biomass after two years of treatment. Changes in resource quantity and quality resulted in rapid responses by dominant invertebrate consumer populations. A 28% reduction in live root mass and 24% increase in root deritus following two years of mowing was associated with a 54% decrease in herbivorous nematode densities, a 47% increase in microbivorous nematode densities, and a 41% increase in native earthworm biomass."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Todd, T. C., S. W. James, and T. R. Seastedt. 1992. Soil invertebrate and plant responses to mowing and carbofuran application in a North American tallgrass prairie. Plant Soil. 144(1):p. 117-124.
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