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Effect of Heating system on Roof garden for Turf growth  

Koh, Seuk-Koo (Turfgrass & Environment Research Institute, Samsung Everland Inc.)
Shin, Hong-Kyun (Turfgrass & Environment Research Institute, Samsung Everland Inc.)
Tae, Hyun-Sook (Turfgrass & Environment Research Institute, Samsung Everland Inc.)
Kim, Yong-Seon (Department of Course management, Anyang Benest Golf Club)
Ahn, Gil-Man (Department of Course management, Anyang Benest Golf Club)
Publication Information
Asian Journal of Turfgrass Science / v.23, no.2, 2009 , pp. 279-286 More about this Journal
Abstract
This study was carried out to utilize the waste heat from office building for turfgrass culture on a roof garden. Heating system had been installed in the middle of soil profile on the turf areas in the garden plots. The results showed that the installation of heating system increased the shoot density, turfgrass quality, coverage rate, and root length compared with the control plots. The surface temperature of heating plots reached at $10.9^{\circ}C$ when the control plot showed $0^{\circ}C$, however, the soil moisture content was decreased 1.9% by the heating system. When the height of the snow accumulation reached over a 15cm, the it took only 4 days to melt out completely, while the height did not changed those period at the control plots. When the water temperature in boiler increased to $60^{\circ}C$ from a proper temperature of $55^{\circ}C$ in turf growth, the desiccation from leaf tip was started to occur caused by drought stress. More detail research should be followed in stress physiology in turf management in roof garden operation.
Keywords
heating system; roof garden; coverage rates; waste heat;
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