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| Web URL(s): | http://journals.lww.com/soilsci/Abstract/1982/05000/NITROGEN_FIXATION_IN_SOIL_CRUSTS_OF_TALL_FESCUE.5.aspx
Last checked: 06/02/2016
Notes: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Giddens, J. E. |
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| Author Affiliation: | Department of Agronomy, University of Georgia College of Agriculture, Athens, Georgia |
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| Title: | Nitrogen fixation in soil crusts of tall fescue sods |
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| Source: | Soil Science. Vol. 133, No. 5, May 1982, p. 295-297. |
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| Publishing Information: | Baltimore, Maryland: Williams & Wilkins |
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| # of Pages: | 3 |
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| Related Web URL: | http://journals.lww.com/soilsci/Abstract/1982/05000/NITROGEN_FIXATION_IN_SOIL_CRUSTS_OF_TALL_FESCUE.5.aspx
Last checked: 05/01/2017
Notes: Abstract only |
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| Keywords: | TIC Keywords: Acidic soils; Festuca arundinacea; Nitrogen fixation; Nitrogen level; Soil crusting; Soil management; Soil pH; Soil types
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| Abstract/Contents: | "Soil crusts under tall fescuegrass (Festuca arundinacea Schreb.) were studied for possible N2-fixation. Crust samples were collected and analyzed for total N, following the growing of fescue for periods of time up to 6 years. Nitrogen content of soil crust increased from .03 percent in fallow soil to .246 percent, and below the crust, to a 15-cm depth, N increased from .027 to .038 percent after 6 years of grass. This is approximately 54 kilograms per hectare annual N increase for the grassland soil. Soil crusts with moss exhibited higher N2-fixation (C2H2 reduction) than crusts without moss. Moss samples from beneath fescuegrass demonstrated higher N2-fixation than moss without fescue cover. The N content of the moss under fescue was also higher on highly acid soil than moss without cover. N2-fixation by the soil crust was less at pH 5 than pH 6 or 7 at the first sampling. After moss had grown sufficiently to give good soil cover, soil pH had much less effect on N2-fixation, indicating that blue-green algae on leaf scales of moss were possibly contributing most of the fixed N." |
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| Language: | English |
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| References: | 11 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Giddens, J. E. 1982. Nitrogen fixation in soil crusts of tall fescue sods. Soil Science. 133(5):p. 295-297. |
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| Web URL(s):
http://journals.lww.com/soilsci/Abstract/1982/05000/NITROGEN_FIXATION_IN_SOIL_CRUSTS_OF_TALL_FESCUE.5.aspx
Last checked: 06/02/2016
Notes: Item is within a limited access website |
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MSU catalog number: b2220467 |
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