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| DOI: | 10.2135/cropsci2013.11.0737 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/54/4/1844
Last checked: 11/07/2016
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| Publication Type:
| Refereed |
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| Author(s): | Geng, Xingyuan;
Guillard, Karl;
Mangiafico, Salvatore S.;
Morris, Thomas F. |
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| Author Affiliation: | Geng, Guillard, and Morris: Dep. of Plant Science and Landscape Architecture, Univ. of Connecticut, Storrs, CT; Mangiafico: Rutgers Univ., Coop. Ext. of Salem County, Woodstown, NJ |
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| Title: | Defining sufficiency levels of nitrogen in cool-season turfgrass lawns using Macy's concept |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 54, No. 4, July/August 2014, p. 1844-1858. |
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| Publishing Information: | Madison, Wisconsin: Crop Science Society of America |
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| # of Pages: | 15 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cs/abstracts/54/4/1844
Last checked: 11/07/2016
Notes: Abstract only
https://dl.sciencesocieties.org/publications/cs/articles/54/4/1844?show-t-f=tables&wrapper=no
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https://dl.sciencesocieties.org/publications/cs/articles/54/4/1844?show-t-f=figures&wrapper=no
Last checked: 11/07/2016
Notes: Figures only |
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| Keywords: | TIC Keywords: Clippings; Color; Cultivar evaluation; Festuca arundinacea; Growth studies; Lawn turf; Nitrogen availability; Nitrogen fertilization; Nutrient management; Poa pratensis
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| Abstract/Contents: | "Few correlation or calibration studies have been conducted to determine or validate sufficiency levels of N concentrations in the clippings of turfgrass for color and growth responses. In a series of field experiments conducted across six consecutive growing seasons (2007-2012) in Connecticut, clipping samples of Kentucky bluegrass (Poa pratensis L.) and tall fescue (Festuca arundinacea Schreb.) lawns were used to estimate yields and then analyzed for N concentrations. Chlorophyll and normalized difference vegetative index (NDVI) meters were used to quantify turf color before sampling. Macy's concept of three nutritional zones of plant tissue nutrient concentration was used to identify minimum and critical concentrations of N in the clippings that define sufficiency ranges for color and growth responses, in addition to luxury consumption. Averaged across all variables and seasons (spring, summer, and fall), the sufficiency ranges of N concentration in the clippings were estimated to be 32 to 46 g kg-1 for Kentucky bluegrass, and 28 to 42 g kg-1 for tall fescue. Differences in minimum and critical concentrations among seasons and between species were thought to be due to demand-driven nutrient uptake. Luxury consumption of N was observed in both species. When used in context with local conditions, tissue analysis for N concentrations in cool-season turfgrass clippings can provide an objective basis for guiding N fertilization." |
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| Language: | English |
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| References: | 40 |
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| Note: | Partial reprint appears in 2014 Annual Turfgrass Research Report [Connecticut], 2015, p. 98
Correction appears in Crop Science, 56(1) January/February 2016, p. 498: "Decrement values for the Macy plots were calculated by subtracting the plateau value from the respective CM 1000 chlorophyll meter readings, NDVI meter readings, or clippings yields on each sampling date. To determine the plateau value, the individual replicate value for each variable was plotted against its respective clippings N concentration of the corresponding sampling date."
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Geng, X., K. Guillard, S. S. Mangiafico, and T. F. Morris. 2014. Defining sufficiency levels of nitrogen in cool-season turfgrass lawns using Macy's concept. Crop Sci. 54(4):p. 1844-1858. |
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| DOI: 10.2135/cropsci2013.11.0737 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/54/4/1844
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/54/4/1844
Last checked: 11/07/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2211522a |
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