Full TGIF Record # 12589
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050677
    Last checked: 12/09/2016
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Publication Type:
i
Refereed
Author(s):Ledeboer, F. B.; McKiel, C. G.; Skogley, C. R.
Author Affiliation:Ledeboer: Former Research Assistant; McKiel: Assistant Professor; Skogley: Professor, Department of Plant and Soil Sciences, University of Rhode Island, Kingston, Rhode Island
Title:Soil heating studies with cool season turfgrasses. I. Effects of watt density, protection covers, and ambient environment on soil temperature distribution
Source:Agronomy Journal. Vol. 63, No. 5, September/October 1971, p. 677-680.
Publishing Information:Washington: American Society of Agronomy
# of Pages:4
Related Web URL:https://dl.sciencesocieties.org/publications/aj/abstracts/63/5/AJ0630050677
    Last checked: 12/09/2016
    Access conditions: Item is within a limited-access website
    Notes: Abstract only
Keywords:TIC Keywords: Soil warming systems; Protective covers; Soil temperature; Cool season turfgrasses; Air temperature; Environmental factors; Electricity; Temperature modification
Abstract/Contents:"Electrical soil heating studies were conducted from 1967 to 1969 for the purpose of determining wattage and soil temperature requirements for establishment and growth of several turfgrasses during winter. Studies also included influence of Protective Covers, fertilization and heat distribution in the soil. Cables were installed 15.2 cm deep and 30.4 cm apart to provide wattages of 54,108 and 162/m2. Power was supplied from early December until normal spring green-up. Thermostats located below the turf at the soil surface controlled cable operation. Heating densities of 108 W/m2 or greater were required to maintain soil temperatures near 8 to 10 C during the winter. Temperature distribution curves at several depths showed good thermoconductivity of the soil. Temperature changes near cables were closely linked to power input; near the surface, air environment had the greatest impact. In unheated soil, a lag occurred in diurnal temperature changes which were a function of soil depth. Heat losses were measured in deep soil strata. Block polypropylene screens of 55 and 73% shade used for protection increased heat retention and reduced heating requirements over unprotected turf."
Language:English
References:11
See Also:See also reprint in Soil heating studies with cool season turfgrasses, R=106503. R=106503

See also part 2 "Soil heating studies with cool season turfgrasses. II. Effects of N fertilization and protective covers on performance and chlorophyll content" Agronomy Journal, 63(5) September/October 1971, p. 680-685, R=12591. R=12591

See also part 3 "Soil heating studies with cool season turfgrasses. III. Methods for the establishment of turf with seed and sod during the winter" Agronomy Journal, 63(5) September/October 1971, p. 686-689, R=12592. R=12592

See also part 4 "Soil heating studies with cool season turfgrasses. IV. Energy requirements for electric soil heating" Agronomy Journal, 63(5) September/October 1971, p. 689-691, R=12593. R=12593
See Also:Other items relating to: PROCOV
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ledeboer, F. B., C. G. McKiel, and C. R. Skogley. 1971. Soil heating studies with cool season turfgrasses. I. Effects of watt density, protection covers, and ambient environment on soil temperature distribution. Agron. J. 63(5):p. 677-680.
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https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050677
    Last checked: 12/09/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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