Full TGIF Record # 109547
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DOI:10.2135/cropsci2005.04-0039
Web URL(s):https://dl.sciencesocieties.org/publications/cs/articles/46/1/209
    Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/pdfs/46/1/209
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Publication Type:
i
Refereed
Author(s):Frank, Kevin W.; O'Reilly, Kevin M.; Crum, James R.; Calhoun, Ronald N.
Author Affiliation:Department of Crop and Soil Sciences, Michigan State University, East Lansing, Michigan
Title:The fate of nitrogen applied to a mature Kentucky bluegrass turf
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 46, No. 1, January/February 2006, p. 209-215.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:7
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/46/1/209
    Last checked: 11/16/2016
    Notes: Abstract only
Keywords:TIC Keywords: Nitrogen; Poa pratensis; leaching; Urea; Lysimeters; Application rates; Nitrogen fate; Thatch; Verdure; Roots; Clippings; Soils
Abstract/Contents:"Research on nitrate-nitrogen (NO3-N) leaching in turfgrass indicates that, in most cases, leaching poses little risk to the environment. Most of the research was conducted on sites that were recently established, and the potential for greater NO3-N leaching from mature turf sites in unknown. The fate of nitrogen (N) was examined for a 10-yr-old Kentucky bluegrass (Poa pratensis L.) turf using intact monolith lysimeters and microplots. From October 2000 through July 2002, half of the lysimeters and microplots were treated annually with urea at a high rate of 245 kg N ha-1 (49 kg N ha-1 application-1). The remaining lysimeters and microplots were treated annually with urea at a low rate of 98 kg N ha-1 (24.5 kg N ha-1 application-1). The Oct. 2000 urea application was made with 15N double-labeled urea to facilitate fertilizer identification among clippings, verdure, thatch, soil, roots, and leachate. The average total recovery of applied labeled fertilizer nitrogen (LFN) for the low and high N rates was 78 and 74%, respectively. NO3-N concentrations in leachate for the low N rate were typically below 5 mg L-1. For the high N rate, NO3-N concentrations in leachate were often greater than 20 mg L-1. Over approximately 2 yr, 1 and 11% of LFN was recovered in leachate for the low and high N rates, respectively. This research indicates that single dose, high rate, water soluble N applications (49 kg N ha-1 application-1) to mature turfgrass stands should be avoided to minimize the potential for NO3-N leaching."
Language:English
References:27
Note:Tables
Graphs
Partial Reprint appears in Cornell University Turfgrass Times, Vol. 17, No. 1, 2006, page 3, with variant title "Lon g-Term Leaching Issues"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Frank, K. W., K. M. O'Reilly, J. R. Crum, and R. N. Calhoun. 2006. The fate of nitrogen applied to a mature Kentucky bluegrass turf. Crop Sci. 46(1):p. 209-215.
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DOI: 10.2135/cropsci2005.04-0039
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/46/1/209
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/46/1/209
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 183 .C7
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