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The Effect of Dredged Soil Improvement on Soil Chemical Conditions and Plant Growth at the Slope of Saemangeum Sea Dike
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 Title & Authors
The Effect of Dredged Soil Improvement on Soil Chemical Conditions and Plant Growth at the Slope of Saemangeum Sea Dike
Park, Chanwoo; Koo, Namin; Kwon, Jino; Lim, Joo-Hoon; Jeong, Yong-Ho; Kim, Jung-Ho;
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 Abstract
This study was conducted to determine the changes in soil chemical properties and the growth of seedling according to the different dredged soil improving methods at slope of Saemangeum sea dike. Undersea dredged soil was improved by five different methods. Seedlings of Ulmus davidiana var. japonica, Chionanthus retusa, Celtis sinensis, and Pinus thunbergii were planted after 9 month of experience site installation, then soil pH, NaCl concentration in soil, soil organic matter (SOM), and survival rate and height of seedling was measured. Initial soil pH was highest in the control plot but it decreased to the similar level with other soil improving plots after 35 months. There were no differences in NaCl concentration between the control and soil improving plots, and it showed decreasing tendency during the study period. In the control plot, initial SOM was lowest among that of other plots during the study period. The survival rate of 36 months after planting of P. thunbergii was highest among the species. The gap of the tree growth of P. thunbergii between the control plot and the soil improving plots was small, however, other species showed relatively higher tree height in the soil improving plots than the control plots. Creation forest with P. thunbergii might be a cost effective afforestation in coastal reclaimed land since it rarely needs additional improvement of dredged soil.
 Keywords
Pinus thunbergii;Saline soil;Soil organic matter;Soil pH;Undersea dredged soil;
 Language
Korean
 Cited by
1.
토양개량재와 황토가 준설토의 이화학성과 느릅나무의 초기 생장에 미치는 영향,이한나;박찬우;임주훈;구남인;이임균;

한국환경복원기술학회지, 2015. vol.18. 3, pp.1-11 crossref(new window)
1.
Effect of Soil Conditioner and Loess on Physio-Chemical Properties of Dredged Soil and Seedling Height Growth of Ulmus davidiana var. japonica, Journal of the Korea Society of Environmental Restoration Technology, 2015, 18, 3, 1  crossref(new windwow)
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