Full TGIF Record # 272504
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Web URL(s):http://www.bioforsk.no/ikbViewer/Content/65085/AAMlid%20et%20al.%20Revolution.PDF
    Last checked: 06/16/2016
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Author(s):Aamlid, Trygve S.; Larsbo, Mats; Jarvis, Nick
Author Affiliation:Aamlid: The Norwegian Institute for Agricultural and Environmental Research, Bioforsk √ėst Landvik, Grimstad, Norway; Larsbo and Jarvis: Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden
Title:Effects of surfactant use and peat amendment on leaching of fungicides and nitrate from golf greens
Source:Biologia. Vol. 64, No. 3, June 2009, p. 419-423.
# of Pages:5
Publishing Information:Bratislava, Slovakia: Slovenská Akadémia Vied a Umení
Keywords:TIC Keywords: Agrostis stolonifera; Azoxystrobin; Golf green soils; Golf greens; Infiltration rate; Leaching potential; Nonionic surfactants; Propiconazole; Root zone mixture; Soil amendments; Sphagnum peat moss; Water droplet penetration test; Water repellency
Cultivar Names:Penn A-4
Abstract/Contents:"Soil water repellency in golf putting greens may induce preferential "finger flow", leading to enhanced leaching of surface applied agrochemicals such as fungicides and nitrate. We examined the effects of root zone composition and the use of the non-ionic surfactant Revolution on soil water repellency, soil water content distributions, infiltration rates, turf quality, and fungicide and nitrate leaching from April 2007 to April 2008. The study was made on 4-year-old experimental green seeded with creeping bentgrass (Agrostis stolonifera L.) 'Penn A-4' at Landvik in southeast Norway. Eight lysimeters with two different root zone materials: (i) straight sand (1% gravel, 96% sand, 3% silt and clay, and 4 g kg-1 organic matter) (SS) and (ii) straight sand mixed with Sphagnum peat to an organic matter content of 25 g kg-1 (SP) were used in this study. Surfactant treatment reduced the spatial variability of water contents, increased infiltration rates and reduced water drop penetration times (WDPTs) by on average 99% in and just below the thatch layer. These effects were most evident for SS lysimeters. Surfactant treatment resulted on average in an 80% reduction of total fungicide leaching, presumably due to reduced preferential finger flow facilitated by decreased soil water repellency. Peat amendment reduced fungicide leaching by 90%, probably due to increased sorption of the fungicides to organic matter. Nitrate leaching was also smaller from surfactant-treated straight-sand root zones, but this effect was not significant."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aamlid, T. S., M. Larsbo, and N. Jarvis. 2009. Effects of surfactant use and peat amendment on leaching of fungicides and nitrate from golf greens. Biologia. 64(3):p. 419-423.
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DOI: 10.2478/s11756-009-0094-7
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    Last checked: 06/16/2016
    Requires: PDF Reader
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MSU catalog number: b2191410
MSU catalog number: b5233470
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