Full TGIF Record # 159784
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DOI:10.2134/agronj2009.0209
Web URL(s):https://dl.sciencesocieties.org/publications/aj/articles/102/1/31
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Publication Type:
i
Refereed
Author(s):Wu, Laosheng; Green, Robert; Klein, Grant; Hartin, Janet S.; Burger, David W.
Author Affiliation:Wu: Dep. of Envionmental Sci.; Green and Klein: Dep. of Botany and Plant Sci., Univ. of California, Riverside; Hartin: UCCE San Bernadino County, San Bernadino; Burger: Dep. of Plant Sci, Univ. of California, Davis, CA
Title:Nitrogen source and rate influence on tall fescue quality and nitrate leaching in a southern California lawn
Section:Turfgrass
Other records with the "Turfgrass" Section
Source:Agronomy Journal. Vol. 102, No. 1, January/February 2010, p. 31-38.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:8
Keywords:TIC Keywords: Application rates; Clipping weight; Color; Festuca arundinacea; Irrigation; Nitrogen; Nitrogen uptake; Visual evaluation
Geographic Terms:California
Abstract/Contents:"In California, residential lawn area is second in planted acreage to production agriculture. Due to the demand for visually attractive lawns, relatively large amounts of N are often applied. The objective of this research was to investigate the effect of N source and application rate on tall fescue [Schedonorus phoenix (Scop.) Holub] visual quality and color, clipping yield, N uptake, and nitrate leaching under normal irrigation practices. Three annual N application rates (195, 293, and 390 kg ha1) and four N sources (AN, ammonium nitrate; MUN, methylene urea; NON, natural-organic nitrogen; and PCN, polymer-coated nitrogen) were applied in four equal applications per year. The factorial experiment was replicated four times and conducted on a Hanford fine sandy loam at the University of California, Riverside's Turfgrass Research Facility from October 2002 to October 2004. Turfgrass visual quality and color ratings were evaluated every 2 wk. Clipping yield, clipping tissue total Kjeldahl nitrogen (TKN), and N uptake were measured or calculated in four 4-wk growth periods per year. Suction lysimeters were used to collect soil water below the rootzone (leachate) to determine nitrate and ammonium concentrations once every two weeks. Soil nitrate and ammonium concentrations were analyzed at 12 and 24 mo. after initial fertilizer treatments. An annual N application rate of 195 kg ha1 produced an acceptable to good quality tall fescue lawn. Higher rates were not necessary, and increased nitrate leaching. Among the N sources, slow-release N resulted in less nitrate leaching than the fast-release N source."
Language:English
References:33
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wu, L., R. Green, G. Klein, J. S. Hartin, and D. W. Burger. 2010. Nitrogen source and rate influence on tall fescue quality and nitrate leaching in a southern California lawn. Agron. J. 102(1):p. 31-38.
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DOI: 10.2134/agronj2009.0209
Web URL(s):
https://dl.sciencesocieties.org/publications/aj/articles/102/1/31
    Last checked: 11/02/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/102/1/31
    Last checked: 11/02/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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