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| Web URL(s): | http://www.temple.edu/ambler/la-hort/research/documents/Journal_of_Environmental_Horticulture_10-34.pdf
Last checked: 12/09/2015
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Olszewski, Michael W.;
Young, Courtney A. |
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| Author Affiliation: | Olszewski: Assistant Professor; Young: Researcher, Temple University, School of Environmental Design, Department of Landscape Architecture and Horticulture |
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| Title: | Physical and chemical properties of green roof media and their effect on plant establishment |
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| Source: | Journal of Environmental Horticulture. Vol. 29, No. 2, June 2011, p. 81-86. |
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| Publishing Information: | Washington, D. C.: Horticultural Research Institute |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Clay; Establishment; Growth analysis; Growth factors; Plugging; Roofscapes; Rooftop turf; Sedum floriferum
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| Abstract/Contents: | "There are few research reports on components of green roof media. Better elucidation will allow landscape installers to select the ideal medium for individual or regional situations. The present study examined the effects of heat-expanded clay media components on: (1) physical and chemical properties and (2) growth of Sedum floriferum (stonecrop) and Dianthus gratianopolitanus (dianthus) plugs on a green roof. The addition of fi ne grade components caused an increase in bulk density and a decrease in total porosity, aeration porosity, and aeration porosity at applied suction pressure of 6.3 kPa. Container capacity reached a maximum following the addition of 40-60% (by vol) fi ne grade particles. Stonecrop and dianthus plugs were planted in early summer (June 29, 2010) into 6.4 cm (2.5 in) depth media containing 10-60% fi ne or medium grade heat-expanded clay located in a green roof garden. By early autumn (October 3, 2010), dianthus cover and plant weight were greatest in media containing 50-60% fi ne grade heat-expanded clay or 60% medium grade heat-expanded clay while stonecrop growth was inadequate regardless of media type." |
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| Language: | English |
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| References: | 39 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Olszewski, M. W., and C. A. Young. 2011. Physical and chemical properties of green roof media and their effect on plant establishment. J. Environ. Hortic. 29(2):p. 81-86. |
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| Web URL(s):
http://www.temple.edu/ambler/la-hort/research/documents/Journal_of_Environmental_Horticulture_10-34.pdf
Last checked: 12/09/2015
Requires: PDF Reader |
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MSU catalog number: b2834574a |
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