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DOI: | 10.2134/agronj2006.0136 |
Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/99/1/99 Last checked: 11/04/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Schlossberg, Maxim J.;
Schmidt, John P. |
Author Affiliation: | Schlossberg: Department of Crop and Soil Sciences, Pennsylvania State University, University Park, Pennsylvania; Schmidt: , United States Department of Agriculture: Agricultural Research Service, University Park, Pennsylvania |
Title: | Influence of nitrogen rate and form on quality of putting greens cohabited by creeping bentgrass and annual bluegrass |
Section: | Turfgrass Other records with the "Turfgrass" Section
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Source: | Agronomy Journal. Vol. 99, No. 1, January/February 2007, p. 99-106. |
Publishing Information: | Madison, WI: American Society of Agronomy |
# of Pages: | 8 |
Keywords: | TIC Keywords: Nitrogen fertilization; Golf greens; Agrostis stolonifera; Turfgrass quality; Application rates; Growth; Color; Nitrogen uptake; Poa annua
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Abstract/Contents: | "Of the essential nutrients, N fertility generally influences golf course putting green (PG) quality and growth rate most significantly. Despite considerable field research on N fertility of PGs, results interpretation and transfer to practice is complicated by various influential factors; including unrepresentative mowing heights and/or frequency, varying irrigation water quality, undeclared composition of mixed swards, withdrawn cultivars, and/or use of temperature-dependent organic fertilizer sources. A 2-yr field study was initiated in 2003 at University Park, Pennslyvania, to evaluate the influence of soluble N fertilizer source and rate on qualitative and nutritional parameters of a mature, primarily surface-drained, "push-up" PG cohabited by 'Penn A4" creeping bentgrass (Agrostis palustris Huds.) and annual bluegrass (Poa annua L.). Using an array of soluble N form quotients (NH4-N/NO3-N), split applications of annual N fertilizer rates ranging from 69 to 402 kg ha-1 were sprayed every 15^D+- 4 d, April to October. Putting green growth, color, N uptake (NUP), and leaf N, K, Ca, Mn, Cu, and Zn increased directly with N rate, while plots receiving N rates in excess of 244 kg ha-1 yr-1 demonstrated acceptable PG quality and tissue nutrient concentrations. However, N rates >244 kg ha-1 yr-1 containing >50% NH4-N significantly enhanced shoot growth, color, NUP, leaf Mn, P, and Mg levels, when compared to equal rates containing ā„50% NO3-N. Frequent fertilization with NH4-N at annual rates >244 kg ha-1 maximized canopy color and most tissue nutrient levels of a mature creeping bentgrass/annual bluegrass cohabited PG growing on a neutral, fine-textured soil." |
Language: | English |
References: | 37 |
See Also: | See also interpretive summary "You like Poa. You really like it" Golf Course Management, 83(1) January 2015, p. 118, R=253191. R=253191 |
Note: | Partial reprint appears in Cornell University Turfgrass Times (CUTT), 18(1) 2007, p. 3 Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Schlossberg, M. J., and J. P. Schmidt. 2007. Influence of nitrogen rate and form on quality of putting greens cohabited by creeping bentgrass and annual bluegrass. Agron. J. 99(1):p. 99-106. |
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| DOI: 10.2134/agronj2006.0136 |
| Web URL(s): https://dl.sciencesocieties.org/publications/aj/pdfs/99/1/99 Last checked: 11/04/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: S 22 .A45 |
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