Full TGIF Record # 133264
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Web URL(s):http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/2003/v17n4/JDHHBF_2003_v17n4_155.pdf
    Last checked: 01/28/2013
    Requires: PDF Reader
Publication Type:
i
Refereed
Author(s):Lee, Jae-Pil; Han, In-Song; Joo, Young Kyoo; Yun, Won-Jong; Jeong, Jong-Il; Jang, Chin-Hyuk; Kim, Doo-Hwan
Author Affiliation:Lee, Han, and Kim: Department of Horticultural Science, Konkuk University; Joo: Department of Biological Resources and Technology, Yonsei University; Yun: KVbio, Incorporated; Jeong: Miseong Turf Cooperative; Jang: Desert King Korea Company, Limited
Title:Rootzone profile, trickle irrigation system and turfgrass species for roof turf garden
Source:Korean Journal of Turfgrass Science. Vol. 17, No. 4, 2003, p. 155-163.
Publishing Information:Korea: Turfgrass Society of Korea
# of Pages:9
Keywords:TIC Keywords: Root zone; Irrigation systems; Roofscapes; Choice of species; Soil analysis; Soil amendments; Drip irrigation
Abstract/Contents:"This study was conducted to find out suitable rootzone profile, irrigation system, and turfgrass species for roof turf garden. Treatments of profile with soil amendment were Mixture I: Perlite(PL)60%+Vermiculite(VC)20%+Peatmoss(PM)20%, Mixture II: PL60%+VC 10%+PM20%+Sand(SD)10%, Mixture III: PL60%+VC20%+PM20% and Mixture IV: PL60%+VC10%+PM20%+SD10%+Styrofoam 5cm as a drain layer. To test trickle irrigation for roof garden, intervals of main pipe spacing(50cm, 100cm)and drop hole distance(15, 20, 30, 50 and 100cm)were treated. To select most suitable turfgrass species or mixture, Bermudagrass 'Konwoo', Zoysiagrass 'Konhee' and cool-season grass(Kentucky Bluegrass 80% + Perennial Ryegrass 20%, Tall Fescue 30% + KB50% + PR 20%) were tested. In particle size analysis, the soil amendments Perlite and vermiculite showed very even distribution, however peatmoss contained mostly coarse particles with fiber over ø 4.75mm. Under field moisture condition, vermiculite and peatmoss showed 350% water holding capacity, on the other hand, sand or Perlite showed 115% and 166%, respectively. Total weight of soil profile was 139.2kg/m2 with Styrofoam drain layer without sand, which showed most lightest among treatments. Turf quality also resulted positive with Styrofoam drain layer installation. On trickle irrigation system, the proper interval of main drain pipe spacing and drop hole distance were 50cm and 50cm, respectively. In irrigation frequency, once per day for 15 minute irrigation with 2 1/hr showed the best results on turf quality. Among turfgrass species or cool season grass mixture, warm season turfgrass fine leaf type zoysiagrass 'Konhee' and Bermudagrass 'Konwoo" showed very acceptable result on all over the treatments of rootzone and irrigation system. To apply cool season grasses for the roof garden, advances researches may be needed to establish the proper soil amendment, rootzone profile, and irrigation system, Application of Bermudagrass 'Konwoo' for roof turf garden also needs successive tests to overcome winter injuries."
Language:Korean
References:13
Note:Abstract appears in English
Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lee, J.-P., I. -S. Han, Y. K. Joo, W.-J. Yun, J. -I. Jeong, C.-H. Jang, et al. 2003. Rootzone profile, trickle irrigation system and turfgrass species for roof turf garden. (In Korean, with English abstract.) Korean Journal of Turfgrass Science. 17(4):p. 155-163.
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http://img.kisti.re.kr/soc_img/society//tsk/JDHHBF/2003/v17n4/JDHHBF_2003_v17n4_155.pdf
    Last checked: 01/28/2013
    Requires: PDF Reader
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