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| DOI: | 10.2135/cropsci2018.11.0706 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/articles/59/4/1779
Last checked: 08/07/2019
https://dl.sciencesocieties.org/publications/cs/pdfs/59/4/1779
Last checked: 08/07/2019
Requires: PDF Reader
Notes: Direct download |
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| Publication Type:
| Refereed |
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| Author(s): | Moore, David B.;
Guillard, Karl;
Geng, Xingyuan;
Morris, Thomas F.;
Brinton, William F. |
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| Author Affiliation: | Moore, Guillard, and Morris: Dep. of Plant Science and Landscape Architecture, Univ. of Connecticut, Storrs, CT; Geng: SINO-AGRI Group, Xicheng District, Beijing, China; Brinton: Woods End Laboratories, Mt. Vernon, ME |
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| Title: | Labile amino-nitrogen concentrations |
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| Article Series: | Predicting cool-season turfgrass response with Solvita Soil tests, part 1 |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 59, No. 4, July/August 2019, p. 1779-1788. |
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| Publishing Information: | Madison, Wisconsin: Crop Science Society of America |
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| # of Pages: | 10 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cs/articles/59/4/1779?show-t-f=tables&wrapper=no
Last checked: 08/07/2019
Notes: Tables only
https://dl.sciencesocieties.org/publications/cs/articles/59/4/1779?show-t-f=figures&wrapper=no
Last checked: 08/07/2019
Notes: Graphs only |
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| Keywords: | TIC Keywords: Amino nitrogen; Cool season turfgrasses; Fertilizer analysis; Festuca arundinacea; Nitrogen; Nitrogen fertilization; Nutrient concentration; Poa pratensis; Soil testing; Urea
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| Trade Names: | Solvita Soil Labile Amino-Nitrogen |
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| Abstract/Contents: | "Current turfgrass fertilizer recommendations do not account for potential mineralizable N in the soil. The Solvita Soil Labile Amino-Nitrogen (SLAN) test measures a labile fraction of soil N. This study was conducted across 9 yr (2008-2016) in Connecticut to determine if responses from predominately Kentucky bluegrass (Poa pratensis L.) and tall fescue [Schedonorus arundinaceus (Schreb.) Dumort.] lawns are correlated to SLAN-N concentrations, and to determine the probability of turfgrass responses equaling or exceeding the response from benchmark urea rates in relation to SLAN-N concentrations. Randomized complete block design field experiments were set out with 23 rates of an organic fertilizer (0-2000 kg N ha-1 yr-1) and four different rates of urea (50, 100, 150, and 200 kg N ha-1 yr-1). Yearly spring soil samples were analyzed for SLAN-N concentrations, and turfgrass growth and quality responses were collected during the growing seasons. Turfgrass responded positively and linearly (P < 0.0001) to SLAN-N concentrations, but correlations were relatively weak to moderate. When spring soil SLAN-N concentrations were ≥158, 165, 198, and 217 mg kg-1, there was a ≥90% probability that overall combined responses across species and measured variables would be equal to or greater than responses obtained from 50, 100, 150, and 200 kg urea N ha-1 yr-1, respectively. The SLAN test has promise as an objective soil test to categorize the N fertilization response potential of turfgrass soils, and this would be helpful in guiding N fertilization." |
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| Language: | English |
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| References: | 15 |
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| See Also: | See also part 2 "CO2-Burst carbon concentrations" Crop Science, 59(5) September/October 2019, p. 2237-2248, R=308690. R=308690 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Moore, D. B., K. Guillard, X. Geng, T. F. Morris, and W. F. Brinton. 2019. Labile amino-nitrogen concentrations. Crop Sci. 59(4):p. 1779-1788. |
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| DOI: 10.2135/cropsci2018.11.0706 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/59/4/1779
Last checked: 08/07/2019
https://dl.sciencesocieties.org/publications/cs/pdfs/59/4/1779
Last checked: 08/07/2019
Requires: PDF Reader
Notes: Direct download |
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MSU catalog number: b2211522a |
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