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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/34/1/0350
Last checked: 11/07/2016
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https://dl.sciencesocieties.org/publications/jeq/pdfs/34/1/0350
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| Publication Type:
| Refereed |
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| Author(s): | Schwartz, Liliana;
Shuman, Larry M. |
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| Author Affiliation: | Department of Crop and Soil Sciences, University of Georgia, Griffin, Georgia |
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| Title: | Predicting runoff and associated nitrogen losses from turfgrass using the Root Zone Water Quality Model (RZWQM) |
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| Section: | Surface water quality
Other records with the "Surface water quality" Section
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| Source: | Journal of Environmental Quality. Vol. 34, No. 1, January/February 2005, p. 350-358. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 9 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/jeq/abstracts/34/1/0350
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
Notes: Abstract only |
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| Keywords: | TIC Keywords: Cynodon dactylon x Cynodon transvaalensis; Models; Nitrate losses; Nitrogen fertilizers; Root zone; Surface runoff; Water quality
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| Cultivar Names: | Tifway |
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| Abstract/Contents: | "Nitrogen fertilizers are used to maintain optimum turfgrass quality, but off-site movement of this primiary nutrient can affect water quality. We conducted a 4-yr study (1998-2001) designed to measure nitrate N runoff from turfgrass, gathering data to be used in the model. The process-based Root Zone Water Quality Model (RZWQM) was used to predict nitrate associated with runoff from turfgrass. The measurements were made on 12 sloped (5%), 25-m2 plots of 'Tifway' bermudagrass [Cynodon dactylon (L.) Pers.], managed as golf course fairways and exposed to natural and simulated rainfall. Surface runoff volume and nitrate N loads were monitored after applying simulated rainfall at an average intensity of 27.4 mm h-1. The irrigation occurred (25 or 50 mm) 4 through 168 h after treatment with various rates of N fertilizers for 1998-2001. RZWQM adequately simulated water runoff volumes (<19%; nonsignificant, paired t test) in the fourth, dry year. RZWQM overpredicted nitrate N loads by a factor of 1.3 for the first three years (nonsignificant), and by a factor of almost 6 for the fourth year (highly significant). These overpredictions occurred when the runoff volumes and N loads were very small. The research has shown that refinements to RZWQM are needed for turfgrass management applications." |
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| Language: | English |
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| References: | 28 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schwartz, L., and L. M. Shuman. 2005. Predicting runoff and associated nitrogen losses from turfgrass using the Root Zone Water Quality Model (RZWQM). J. Environ. Qual. 34(1):p. 350-358. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/34/1/0350
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/34/1/0350
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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