Full TGIF Record # 285826
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DOI:10.1007/s10533-013-9942-1
Web URL(s):https://link.springer.com/article/10.1007/s10533-013-9942-1/fulltext.html
    Last checked: 06/20/2017
https://link.springer.com/content/pdf/10.1007%2Fs10533-013-9942-1.pdf
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Publication Type:
i
Refereed
Author(s):Wang, Wenwen; Haver, Darren; Pataki, Diane E.
Author Affiliation:Wang: Department of Ecology & Evolutionary Biology, University of California, Irvine, CA; Haver: University of California Cooperative Extension, Costa Mesa, CA; Pataki: Department of Biology, University of Utah, Salt Lake City, UT
Title:Nitrogen budgets of urban lawns under three different management regimes in southern California
Source:Biogeochemistry. Vol. 121, No. 1, October 2014, p. 127-148.
# of Pages:22
Publishing Information:Boston, Massachusetts: Martinus Nijhoff/Dr W. Junk Publishers
Keywords:TIC Keywords: Efficiency; Environmental impact; Fertilization rates; Lawn maintenance; Maintenance intensity; Nitrogen partitioning; Nitrogen retention; Urban habitat
Abstract/Contents:"We constructed nitrogen (N) budgets for the lawns of three simulated residences built to test the environmental impacts of three different residential landscape designs in southern California. The three designs included: a 'Typical' lawn planted with cool season tall fescue (Schedonorus phoenix), fertilized at the recommended rate for this species (192 kg-1 ha-1 year-1) and irrigated with an automatic timer; a design intended to lower N and water requirements ('Low Input') with the warm season seashore paspalum (Paspalum vaginatum) fertilized at 123 kg-1 ha-1 year-1 and irrigated with a soil moisture-based system; and a design incorporating local best practices ('Low Impact' lawn) that included the native sedge species Carex, fertilized at 48 kg-1 ha-1 year-1 and irrigated by a weather station-based system. Plant N uptake accounted for 33.2 ± 0.5 (tall fescue), 53.7 ± 0.7 (seashore paspalum), and 12.2 ± 1.3 % (Carex) of annual N inputs, while estimated N retention in soil was relatively large and similar in the three lawns (41-46%). At lower N and water inputs than Typical, Low Input showed the highest annual clipping yield and N uptake, although it also had higher denitrification rates. Leaching inorganic N losses remained low even from the Typical lawn (2%), while gaseous N losses were highly variable. The Low Input lawn was most efficient in retaining N with relatively low water and N costs, although its fertilization rates could be further reduced to lower gaseous N losses. Our results suggest that the choice of a warm-season, C4 turf species with reduced rates of irrigation and fertilization is effective in this semi-arid region to maintain high productivity and N retention in plants and soils at low N and water inputs."
Language:English
References:102
Note:Equations
Pictures, color
Tables
Graphs
Geographic Terms:Southern California
See Also:Other items relating to: Seashore Paspalum - Since 2000
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wang, W., D. Haver, and D. E. Pataki. 2014. Nitrogen budgets of urban lawns under three different management regimes in southern California. Biogeochemistry. 121(1):p. 127-148.
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DOI: 10.1007/s10533-013-9942-1
Web URL(s):
https://link.springer.com/article/10.1007/s10533-013-9942-1/fulltext.html
    Last checked: 06/20/2017
https://link.springer.com/content/pdf/10.1007%2Fs10533-013-9942-1.pdf
    Last checked: 06/20/2017
    Requires: PDF Reader
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MSU catalog number: b2168902
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