Full TGIF Record # 111101
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Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/39/7/article-p1745.xml?rskey=gBuC4x
    Last checked: 11/19/2019
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Author(s):Miltner, Eric D.; Stahnke, Gwen K.; Johnston, William J.; Golob, Charles T.
Author Affiliation:Miltner and Stahnke: Department of Crop and Soil Sciences, Washington State University, Puyallup, Washington; Johnston and Golob: Department of Crop and Soil Sciences, Washington State University, Pullman, Washington
Title:Late fall and winter nitrogen fertilization and turfgrass in two pacific northwest climates
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 39, No. 7, December 2004, p. 1745-1749.
# of Pages:5
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Ammonium sulfate; Climatic factors; Fall nitrogen fertilization; Fertilizer evaluation; IBDU; Lolium perenne; Poa pratensis; Polymer-coated urea; Seasonal variation; Sulfur-coated urea
Abstract/Contents:"Late fall N fertilization of cool-season turfgrass in northern climates is a common practice. Previous research has been focused in climates where freezing temperatures prevail. Research in more moderate northern climates where turf may not go through winter dormancy is scarce. Four fertilizer N sources and an untreated control were applied in four different months (November, December, January, or February) to perennial ryegrass (Lolium perenne L.) in Puyallup, Wash., and to kentucky bluegrass (Poa pratensis L.) In Pullman, Wash., to compare their effects in moderate (Puyallup) and freezing (Pullman) winter climates. In Pullman, only November applications of ammonium sulfate (AmS) or polymer coated sulfur coated urea (PCSCU) enhanced winter turfgrass quality. In Puyallup, November or December application of AmS, PCSCU, or polymer coated urea (PCU) resulted in enhanced winter quality. Polymer coated urea yielded a delayed initial response and a longer residual effect in the spring. Isobutylidenediurea (IBDU) did not improve winter turf quality in either Pullman or Puyallup. Although there was no quality response following January fertilizer application, there was suppression of red thread [Laetisaria fuciformis (McAlpine) Burds.] symptoms in Puyallup, indicating N uptake. Late fall fertilizer N in eastern Washington should be confined to November, using soluble or more quickly available slow-release nitrogen fertilizers. The application window can be extended to December in western Washington, and more slowly available coated ureas can be effectively used."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Miltner, E. D., G. K. Stahnke, W. J. Johnston, and C. T. Golob. 2004. Late fall and winter nitrogen fertilization and turfgrass in two pacific northwest climates. HortScience. 39(7):p. 1745-1749.
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DOI: 10.21273/HORTSCI.39.7.1745
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    Last checked: 11/19/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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