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Division of Soil Properties in Reclaimed Land of the Mangyeong and Dongjin River Basin and Their Agricultural Engineering Management
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 Title & Authors
Division of Soil Properties in Reclaimed Land of the Mangyeong and Dongjin River Basin and Their Agricultural Engineering Management
Hwang, Seon-Woong; Kang, Jong-Gook; Lee, Kyung-Do; Lee, Kyung-Bo; Park, Ki-Hun; Chung, Doug-Young;
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 Abstract
The physical and chemical properties of soil in the Mangyeong and Dongjin river basin had been investigated in order to establish the most optimum soil improvement plan on the reclaimed land. The total soil area by reclamation in Saemangeum basin is 113,971 ha. The classification by the distribution of soil series and soil texture is as following. 13 soil series including Chonnam, Buyong and Chonbuk series are period-unknown areas. Regarding the soil texture, they are fine silty ~ clayey very fine. From 1920s to 1960s, Mangyeong, Gwanghwal and Chonbuk series had coarse silty textured soil. After the 1970s, Mangyeong, Gwanghwal, Munpo, Yeompo, Poseung, Gapo and Hasa series have more sandy soil ~ moderately coarse loamy textured soil. Regarding the chemical properties, the concentrations of EC, Exch. , , and pH are high regardless of the time of reclamation. On the other hand, organic matter (OM) of top soil were 3.3~16.1 g . The organic matter contents were very low though the soil had been farmed for a long time. Furthermore, the deep soil had almost no organic matter with 5.6~1.1 g . The reason is believed that there had not been any movement of OM and clay because pressure or induced pans had been formed by large agricultural machineries and poor vertical drain. Regarding the forming of illuvial horizon (B layer) which tells the development extent of soil, only in the Hwapo reclaimed area where rice had been cultivated for past 90 years, Fe and Mn from top soil are deposited at underground 20~30 cm with 7~8 cm thickness by the movement of clay. It is believed that it had been possible because the earthiness is silty clay loam soil with relatively high content of clay. The soils are soil with concern of damage from sea water, soil on flimsy ground and sandy soil. Therefore, soil improvement for stable crop production can be expected; if the water table would be lowered by subsurface drainage, the water permeability would be enhanced by gypsum and organic matter, and the sandy soil would be replaced by red soil with high content of clay.
 Keywords
Reclaimed land;Soil series;Soil physicochemical properties;Soil management guideline;
 Language
Korean
 Cited by
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수수×수단그라스 재배시 녹비작물 혼입에 따른 새만금간척지 토양환경 개선 효과,양창휴;이장희;백남현;정재혁;조광민;이상복;이경보;

한국토양비료학회지, 2012. vol.45. 5, pp.744-748 crossref(new window)
2.
Characteristics of TN and TP in Runoff from Reclaimed Paddy Field of Fine Sandy Loam,;;;;;

한국토양비료학회지, 2013. vol.46. 6, pp.417-425 crossref(new window)
3.
Incorporation Effect of Green Manure Crops on Improvement of Soil Environment on Saemangeum Reclaimed Land during Silage Corn Cultivation,;;;;;;;

한국토양비료학회지, 2013. vol.46. 3, pp.187-192 crossref(new window)
4.
Effect of Soil Salinity Levels on Silage Barley Growth at Saemangeum Reclaimed Tidal Land,;;;;;;;

한국토양비료학회지, 2013. vol.46. 5, pp.365-372 crossref(new window)
5.
Effect of Soil Salinity on Nitrogen Mineralization of Livestock Manure Compost in Salt-Affected Coastal Soils,;;;;;;;;

한국토양비료학회지, 2014. vol.47. 3, pp.199-204 crossref(new window)
6.
Effect of Rice Straw Application on Yield of Whole Crop Barley and Change in Soil Properties under Upland Condition in Saemangeum Reclaimed Tidal Land,;;;;;;;;;;;;

한국토양비료학회지, 2014. vol.47. 6, pp.586-593 crossref(new window)
1.
Incorporation Effect of Green Manure Crops on Improvement of Soil Environment on Saemangeum Reclaimed Land during Sorghum×Sudangrass Hybrid Cultivation, Korean Journal of Soil Science and Fertilizer, 2012, 45, 5, 744  crossref(new windwow)
2.
Effect of Rice Straw Application on Yield of Whole Crop Barley and Change in Soil Properties under Upland Condition in Saemangeum Reclaimed Tidal Land, Korean Journal of Soil Science and Fertilizer, 2014, 47, 6, 586  crossref(new windwow)
3.
Temporal Variations on Soil Salinity and Cation Displacement at Saemangeum and Yeongsangang Reclaimed Tidal Lands, Journal of Agricultural Chemistry and Environment, 2014, 03, 04, 121  crossref(new windwow)
4.
Characteristics of TN and TP in Runoff from Reclaimed Paddy Field of Fine Sandy Loam, Korean Journal of Soil Science and Fertilizer, 2013, 46, 6, 417  crossref(new windwow)
5.
Effect of Soil Salinity Levels on Silage Barley Growth at Saemangeum Reclaimed Tidal Land, Korean Journal of Soil Science and Fertilizer, 2013, 46, 5, 365  crossref(new windwow)
6.
Incorporation Effect of Green Manure Crops on Improvement of Soil Environment on Saemangeum Reclaimed Land during Silage Corn Cultivation, Korean Journal of Soil Science and Fertilizer, 2013, 46, 3, 187  crossref(new windwow)
7.
Effect of Soil Salinity on Nitrogen Mineralization of Livestock Manure Compost in Salt-Affected Coastal Soils, Korean Journal of Soil Science and Fertilizer, 2014, 47, 3, 199  crossref(new windwow)
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