Full TGIF Record # 71120
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/01904169909365660
    Last checked: 10/13/2015
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Publication Type:
i
Report
Author(s):Olson, Bret E.; Jacobsen, Jeffrey S.
Author Affiliation:Olson: Department of Animal and Range Sciences, Montana State University, Bozeman, MT; Jacobsen: Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT
Title:Plasticity of high and low nutrient-adapted grasses to added sulfur and nitrogen
Source:Journal of Plant Nutrition. Vol. 22, No. 4/5, 1999, p. 641-655.
# of Pages:15
Publishing Information:New York: Marcel Dekker, Inc.
Keywords:TIC Keywords: Nutrients; Nitrogen; Nutrient availability; Biomass; Hordeum vulgare; Bromus inermis; Festuca idahoensis; Sulfur; Gypsum; Sulfates; Soil pH; Application rates; Fertilization rates; Shoots; Roots
Abstract/Contents:"Crop and native plants can be characterized as high and low nutrient-adapted based on their expected response to native and applied nutrients. Our objective was to compare the plasticity of biomass allocation and tissue nutrient concentrations to added sulfur (S) and nitrogen (N) across a continuum of high and low nutrient-adapted grasses, represented by barley (Hordeum vulgare), smooth brome (Bromus inermis), bluebunch wheatgrass (Pseudoroegneria spicata), and Idaho fescue (Festuca idahoensis). In our greenhouse study, treatments included two S sources (pyrite and gypsum) at 150 and 300 kg S ha⁻1, N at 50 kg ha⁻1, and a check. Shoot biomass of barley, smooth brome, and bluebunch wheatgrass was enhanced by S plus N. Shoot biomass of barley and smooth brome was greater with pyrite than with gypsum. Root biomass of smooth brome and bluebunch wheatgrass was greater with pyrite than with gypsum. Plant S concentrations of barley and Idaho fescue were enhanced by added S. Plant S concentrations in barley and smooth brome were greater with gypsum than with pyrite. Except for barley, plant S pools (shoot biomass x shoot S concentration) were enhanced with S plus N compared with no added nutrients. Nitrogen pools of barley, smooth brome, and bluebunch wheatgrass were higher with pyrite than with gypsum. Soil sulfate (SO₄) was greater when S or S plus N was added than without any added nutrients. For barley and smooth brome, soil sulfate tended to be lower with pyrite than with gypsum. For all soils, pH was lower with added S or S plus N compared with unamended soils. While pyrite lowered soil pH, gypsum tended to increase soil pH. Overall, barley and smooth brome were highly plastic in responding to enhanced nutrient levels, bluebunch wheatgrass was relatively responsive, and Idaho fescue was least responsive."
Language:English
References:31
Note:Graphs
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Olson, B. E., and J. S. Jacobsen. 1999. Plasticity of high and low nutrient-adapted grasses to added sulfur and nitrogen. J. Plant Nutr. 22(4/5):p. 641-655.
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Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/01904169909365660
    Last checked: 10/13/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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