Full TGIF Record # 112526
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/00103629609369546?journalCode=lcss20#.Vh-xXvlVhBc
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Publication Type:
i
Report
Author(s):Beauchamp, E. G.; Bergstrom, D. W.; Burton, D. L.
Author Affiliation:Beauchamp: Department of Land Resource Science, University of Guelph, Guelph, Ontario, Canada; Bergstrom: Agriculture and Agri-Food Canada, K.W. Neatby Building, Central Experimental Farm, Ottawa, Ontario, Canada; Burton: Department of Soil Science, University of Manitoba, Winnipeg, Manitoba, Canada
Title:Denitrification and nitrous oxide production in soil fallowed or under alfalfa or grass
Source:Communications in Soil Science and Plant Analysis. Vol. 27, No. 1/2, January 1996, p. 87-99.
# of Pages:13
Publishing Information:New York, NY: Marcel Dekker
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/00103629609369546
    Last checked: 10/15/2015
    Notes: Abstract only
Keywords:TIC Keywords: Denitrification; Nitrous oxide; Fallowing; Soil analysis; Medicago sativa; Poa pratensis; Nitrates; Air filled porosity; Respiration rate; Ammonium; Nitrogen; Composts
Abstract/Contents:"A field study was carried out to assess the effects of agronomic practices and crops on nitrous oxide (N2O) production and denitrification rates. Air-filled porosity, moisture content, respiration rate, and ammonium (NH4) and nitrate (NO3) concentrations were also measured along with nitrogen (N2) gas production using the static soil core procedure with acetylene (C2H2). Agronomic practices included applications of liquid cattle manure, ammmonium sulfate, sucrose, and irrigation water as well as the incorporation of alfafa. Measurements were made on fallowed soil as well as soils under alfafa (Medicago sativa L.) and Kentucky bluegrass (Poa pratensis L.). The temporal pattern of N2 gas production was dominated by episodic events caused by manure or sucrose application, or alfalfa incorporation in conjunction with irrigation or rainfall events. Rainfall or irrigation alone did not increase N2 gas production unless following upon a dry period. In wetted soil, the N2O production rate was lower than the denitrification rate, except under Kentucky bluegrass. The very low N03 concentration in soil under Kentucky bluegrass probably limited denitrification so that most N2O production resulted from nitrification. Episodic events involving denitrification appeared to produce most of the N2O. Yet, the relationship between N2O production and denitrification was inconsistent, varying unpredictably with the crop, agronomic practices, and soil conditions."
Language:English
References:18
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Beauchamp, E. G., D. W. Bergstrom, and D. L. Burton. 1996. Denitrification and nitrous oxide production in soil fallowed or under alfalfa or grass. Commun. Soil. Sci. Plant Anal. 27(1/2):p. 87-99.
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http://www.tandfonline.com/doi/pdf/10.1080/00103629609369546?journalCode=lcss20#.Vh-xXvlVhBc
    Last checked: Item not verified
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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