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| Web URL(s): | http://en.calameo.com/read/00087789676f6cc8d6b1f/66
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http://www.paysmed.net/upl_open_upload/allegato-16-1.pdf#page=66
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| Publication Type:
| Proceedings |
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| Content Type: | Abstract or summary only |
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| Author(s): | Petrovic, A. M.;
Easton, Z. M. |
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| Author Affiliation: | Petrovic: Department of Horticulture, Cornell University, Ithaca, New York; Easton: Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY |
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| Title: | Lawns: Are they more than just a nice green color? |
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| Section: | Session 2: Urban landscape horticulture: Oral presentations
Other records with the "Session 2: Urban landscape horticulture: Oral presentations" Section
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| Meeting Info.: | Bologna, Italy: June 9-13, 2009 |
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| Source: | 2nd International Conference on Landscape and Urban Horticulture: Book of Abstracts. 2009, p. 66. |
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| Publishing Information: | Bologna, Italy: Department of Agroenvironmental Science and Technology (DiSTA), Faculty of Agriculture, University of Bologna |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Comparisons; Fertilizer evaluation; Groundwater contamination; Nitrogen losses; Phosphorus retention; Surface runoff; Urbanization
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| Abstract/Contents: | "As urban and suburban areas grow, concern about pollution in urban waters has increased. In urban watersheds, sources of contaminants include anthropogenic and natural, or as wet and dry atmospheric deposition. Lawns can have an impact on the surface and ground water quality from nitrogen (N) and phosphorus (P). Several studies showed more P losses in runoff from unfertilized lawns than fertilized lawns due to lower runoff. Fertilized lawns had higher dissolved P losses than the other land uses but only on the shallow runoff prone soils. Particulate P losses were highest from the unfertilized wooded and urban barren land use due to erosive P losses. There was also a two fold increase in P loads to a stream when compared to the undeveloped, forested upper watershed. Best management practices should focus on reducing runoff and P loss from high source areas to realize the largest reduction in P loading to surface water. Fertilized lawns had higher N loss than the other land uses in areas with a high runoff potential. On the deeper soil with low runoff, the fertilized lawns had lower N loss than the other land uses. Precipitation derived N inputs had an influence on N lost from all land uses in the watershed, while N measured in through fall under the wooded canopy was of the same order of magnitude as the N lost in runoff from these areas. The N stream loads were as high as or higher from the undeveloped upper watershed indicating the urban areas may be an N sink. The risk of N impacting groundwater quality is affect5ed by age of the site, fall fertilization timing and irrigation. Long term, the source of N had no effect on the extent of NO3 leaching and controlled summer irrigation reduced the amount of N leaching. Thus, to reduce the risk of N impacts on groundwater, N applications should be less as the site matures, limit the amount of N applied in mid to late fall and control the amount of irrigation to closely match the amount of evapotranspiration." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Petrovic, A. M., and Z. M. Easton. 2009. Lawns: Are they more than just a nice green color?. p. 66. In 2nd International Conference on Landscape and Urban Horticulture: Book of Abstracts. Bologna, Italy: June 9-13, 2009. Bologna, Italy: Department of Agroenvironmental Science and Technology (DiSTA), Faculty of Agriculture, University of Bologna. |
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| Web URL(s):
http://en.calameo.com/read/00087789676f6cc8d6b1f/66
Last checked: 10/30/2017
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Notes: Item is within a single large file
http://www.paysmed.net/upl_open_upload/allegato-16-1.pdf#page=66
Last checked: 03/21/2018
Requires: PDF Reader
Notes: Item is within a single large file |
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