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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050680
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Ledeboer, F. B.;
Skogley, C. R.;
McKiel, C. G. |
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| Author Affiliation: | Ledeboer: Former Research Assistant; Skogley: Assistant Professor; McKiel: Professor, Department of Plant and Soil Sciences, University of Rhode Island, Kingston, Rhode Island |
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| Title: | Soil heating studies with cool season turfgrasses. II. Effects of N fertilization and protective covers on performance and chlorophyll content |
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| Source: | Agronomy Journal. Vol. 63, No. 5, September/October 1971, p. 680-685. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| # of Pages: | 6 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/63/5/AJ0630050680
Last checked: 12/09/2016
Access conditions: Item is within a limited-access website
Notes: Abstract only |
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| Keywords: | TIC Keywords: Soil warming systems; Nitrogen fertilization; Protective covers; Chlorophyll content; Soil temperature; Density; Air temperature; Growth factors; Interactions; Clipping weight; Verdure; Quality evaluation
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| Abstract/Contents: | "A study was made during the winter of 1968-69 to determine the influence of protective covers and supplemental N on several grasses growing on electrically heated soil. Turfgrass responses measured were visual turf quality, clipping dry weights, chlorophyll content, and verdure characteristics. In early winter, increased soil temperature, cover density and N treatments enhanced turf quality and growth. In February, effects of main factors became reversed and caused turf deterioration. Dense cover (73% shade) was most beneficial early, most deleterious late in the season. During March, turf quality, density and growth decreases were a function of treatment intensities. Soil heating alone had little effect on turf quality and growth during most of the winter. In conjunction with protective covers and N fertilization, turf quality and growth were aided significantly during the early winter. With increased ambient air temperatures near spring, shading, produced by the covers, imposed severe limitation on the growing grasses, causing rapid foliar elongation and turf thinning. Nitrogen treatments enhanced these effects. Under practical management operations in the field, covers should be removed before sod deterioration occurs. Soil heating alone may be continued as long as desired without apparent damage to the turf." |
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| Language: | English |
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| References: | 21 |
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| See Also: | See also reprint in Soil heating studies with cool season turfgrasses, R=106503. R=106503
See also part 1 "Soil heating studies with cool season turfgrasses. I. Effects of watt density, protection covers, and ambient environment on soil temperature distribution" Agronomy Journal, 63(5) September/October 1971, p. 677-680, R=12589. R=12589
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 |
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| See Also: | Other items relating to: PROCOV |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ledeboer, F. B., C. R. Skogley, and C. G. McKiel. 1971. Soil heating studies with cool season turfgrasses. II. Effects of N fertilization and protective covers on performance and chlorophyll content. Agron. J. 63(5):p. 680-685. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/63/5/AJ0630050680
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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