Full TGIF Record # 828
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/70/2/AJ0700020299
    Last checked: 12/08/2016
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Publication Type:
i
Refereed
Author(s):Wilkinson, J. F.; Miller, R. H.
Author Affiliation:Wilkingson: Research Director, ChemLawn Corporation, Worthington, Ohio; Miller: Professor, Agronomy Department, Ohio State University, and Ohio Agricultural Research and Development Center, Columbus, Ohio
Title:Investigation and treatment of localized dry spots on sand golf greens
Source:Agronomy Journal. Vol. 70, No. 2, March/April 1978, p. 299-304.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:6
Keywords:TIC Keywords: Aerification; Agrostis stolonifera; Coring; Wetting agents; Thatch; Infiltration rate; Localized dry spots; Fungi; Hydrophobic soils; Sand-based golf greens; Irrigation
Cultivar Names:Penncross
Abstract/Contents:"Several experimental sand golf greens were seeded in 1972 to 'Penncross' creeping bentgrass (Agrostis palustris Huds.) in Columbus. Localized dry spots became a serious problem during the summer of 1974. Despite heavy, frequent irrigation the soil remained hydrophobic, resulting in patches of dead or severely wilted turf. The turf and thatch would wet, but water would not penetrate the thatch/soil interface. Infiltration rate within the dry spots was studied in the laboratory using a permeameter, and by placing water droplets along horizontally positioned soil cores. Several wetting agent and soil cultivation treatments were utilized in a field study to alleviate the dry spots. The cause of the dry spots was investigated by observing individual sand particles under a scanning electron microscope. The hydrophobic condition was restricted to the upper 2 cm of soil. Infiltration rate within the dry spots was 20% of that for normal turf. Hydro-Wet and Aqua-Gro reduced the severity of the dry spots, but a combination of coring plus wetting agent proved most beneficial. Maintaining moist soil conditions was the best defense against the dry spots. Allowing the soil to become dry makes the hydrophobic condition worse. Scanning electron micrographs provided evidence of a coating surrounding individual sand particles. The coating had the appearance of fungal mycelium and was organic and acidic in nature. No specific fungus was isolated that could be shown to be the cause of the dry spots."
Language:English
References:16
See Also:Other items relating to: LDS

Other items relating to: Wetting Agents
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilkinson, J. F., and R. H. Miller. 1978. Investigation and treatment of localized dry spots on sand golf greens. Agron. J. 70(2):p. 299-304.
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https://dl.sciencesocieties.org/publications/aj/pdfs/70/2/AJ0700020299
    Last checked: 12/08/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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