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| DOI: | 10.2134/agronj14.0153 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/106/5/1879
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https://dl.sciencesocieties.org/publications/aj/articles/106/5/1879
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| Publication Type:
| Refereed |
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| Author(s): | Song, Enzhan;
Schneider, Joseph G.;
Anderson, Stephen H.;
Goyne, W. Keith;
Xiong, Xi |
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| Author Affiliation: | Song, Schneider, and Xiong: Div. of Plant Sciences; Anderson and Goyne: Dep. of Soil, Environmental and Atmospheric Sciences, Univ. of Missouri, Columbia, MO |
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| Title: | Physical properties |
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| Article Series: | Wetting agent influence on water infiltration into hydrophobic sand, part 2 |
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| Section: | Urban agriculture
Other records with the "Urban agriculture" Section
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| Source: | Agronomy Journal. Vol. 106, No. 5, September/October 2014, p. 1879-1885. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 7 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/106/5/1879
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| Keywords: | TIC Keywords: Application rates; Hydraulic conductivity; Hydrophobic soils; Infiltration; Localized dry spots; Potassium; Sand; Surface tension; Wetting agents
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| Trade Names: | Cascade Plus; LescoFlo Ultra |
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| Abstract/Contents: | "Wetting agents are commonly used to remedy localized dry spot (LDS) caused by soil water repellency on golf course putting greens. Information gleaned from field experiments assessing wetting agent effects on infiltration can be difficult to interpret due to temporal and spatial variations. To avoid this challenge, a laboratory study was conducted to evaluate the influence of six commercial wetting agents at four concentrations (500, 1000, 3000, and 5000 mg L-1) on surfactant physical properties and to establish relationships between physical properties and water infiltration into a water-repellent U.S. Golf Association (USGA)-grade sand. As wetting agent concentration increased, notable decreases in surface tension (γ), liquid-solid contact angle (θ), and liquid entry pressure head (hp) were measured. These decreases were negatively correlated with the hydraulic conductivity (K) of water-repellent sands treated with wetting agents. Improved infiltration as a function of wetting agent concentration was explained by reduced hydrophobicity following wetting agent application. Cascade Plus and LescoFlo Ultra at concentrations of ≥3000 and 1000 mg L-1, respectively, transformed the water-repellent sand to a wettable media, as evidenced by negative hp values. A multiple regression model (R2 = 0.82) found that K of wetting agent treated soil can be explicated by variables γ, hp, and wetting agent concentration. Our results showed that all tested wetting agents improved water infiltration, but the effectiveness was compound dependent. Therefore, it is essential to select appropriate wetting agents and application rates when seeking to improve water infiltration into hydrophobic sands." |
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| Language: | English |
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| References: | 50 |
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| See Also: | See also part 1 "Rewettability" Agronomy Journal, 106(5) September/October 2014, p. 1873-1878, R=249164. R=249164 |
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| Note: | Equations
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Song, E., J. G. Schneider, S. H. Anderson, K. W. Goyne, and X. Xiong. 2014. Physical properties. Agron. J. 106(5):p. 1879-1885. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=249165 |
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| DOI: 10.2134/agronj14.0153 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/106/5/1879
Last checked: 11/04/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/articles/106/5/1879
Last checked: 11/02/2016
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212646a |
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