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Hydraulic Property and Solute Breakthrough from Salt Accumulated Soils under Various Head Pressures
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 Title & Authors
Hydraulic Property and Solute Breakthrough from Salt Accumulated Soils under Various Head Pressures
Lee, Sanghun; Chung, Doug-Young; Hwang, Seon-Woong; Lee, Kyeong-Bo; Yang, Chang-Hyu; Kim, Hong-Kyu;
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 Abstract
Salt accumulated soil should be reclaimed to lower salt level for crop production. This study was carried out to investigate the characteristics of water flow and transport of mono and divalent solutes on salt accumulated soils with different head pressures. Saturated hydraulic conductivity was measured by constant and falling head methods with maintaining different head pressures. Saturated hydraulic conductivity was influenced by bulk density and organic matter contents in soils, but it had different elusion patterns between saline and sodic soil. While the quantity of water necessary for reclamation could be varies with soil type, it was considered that the supply of one pore volume of water was affordable and economic. Additional head pressure significantly increased the volume of leachate at a given time and it was more effective at low organic matter soils. The results indicate that additional head pressure would be one of the best irrigation practices on desalination method for salt accumulated soils.
 Keywords
Saturated hydraulic conductivity (Ksat);Salt accumulated soil;Saline/sodic;Head pressure;Breakthrough curve;
 Language
English
 Cited by
1.
Changes of Soil Properties with Various Soil Amendments in Saemangeum Reclaimed Tidal Saline Soil,;;;;

한국토양비료학회지, 2013. vol.46. 4, pp.281-287 crossref(new window)
1.
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)
2.
Changes of Soil Properties with Various Soil Amendments in Saemangeum Reclaimed Tidal Saline Soil, Korean Journal of Soil Science and Fertilizer, 2013, 46, 4, 281  crossref(new windwow)
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