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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/pdfs/33/5/1822
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https://dl.sciencesocieties.org/publications/jeq/articles/33/5/1822
Last checked: 12/12/2016
Notes: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Guillard, Karl;
Kopp, Kelly L. |
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| Author Affiliation: | Guillard: Department of Plant Science, University of Connecticut, Storrs, CT; Kopp: Department of Plants, Soils, and Biometeorology, Utah State University, Logan, UT |
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| Title: | Nitrogen fertilizer form and associated nitrate leaching from cool-season lawn turf |
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| Section: | Vadose zone processes and chemical transport
Other records with the "Vadose zone processes and chemical transport" Section
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| Source: | Journal of Environmental Quality. Vol. 33, No. 5, September/October 2004, p. 1822-1827. |
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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: | 6 |
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| Keywords: | TIC Keywords: Cool season turfgrasses; Leaching; Nitrate Losses; Nitrate Nitrogen; Nitrogen fertilizers
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| Abstract/Contents: | "Various N fertilizer sources are available for lawn turf. Few field studies, however, have determined the losses of nitrate (NO3-N) from lawns receiving different formulations of N fertilizers. The objectives of this study were to determine the differences in NO3-N leaching losses among various N fertilizer sources and to ascertain when losses were most likely to occur. The field experiment was set out in a completely random design on a turf typical of the lawns in southern New England. Treatments consisted of four fertilizer sources with fast- and slow-release N formulations: (i) ammonium nitrate (AN), (ii) polymer-coated sulfur-coated urea (PCSCU), (iii) organic product, and (iv) a nonfertilized control. The experiment was conducted across three years and fertilized to supply a total of 147 kg N ha-1yr-1. Percolate was collected with zero-tension lysimeters. Flow-weighted NO3-N concentrations were 4.6, 0.57, 0.31, and 0.18 mg L-1 for AN, PCSCU, organic, and the control, respectively. After correcting for control losses, average annual NO3-N leaching losses as a percentage of N applied were 16.8% for AN, 1.7% for PCSCU, and 0.6% for organic. Results indicate that NO3-N leaching losses from lawn turf in southern New England occur primarily during the late fall through in the early spring. To reduce the threat of NO3-N leaching losses, lawn turf fertilizers should be formulated with a larger percentage of slow-release N than soluble N." |
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| Language: | English |
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| References: | 32 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Guillard, K., and K. L. Kopp. 2004. Nitrogen fertilizer form and associated nitrate leaching from cool-season lawn turf. J. Environ. Qual. 33(5):p. 1822-1827. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/pdfs/33/5/1822
Last checked: 12/12/2016
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Notes: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/articles/33/5/1822
Last checked: 12/12/2016
Notes: Item is within a limited-access website |
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MSU catalog number: b2225072a |
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