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Taxonomical Classification of Cheongweon Series Distributed on Broad Continental Alluvial Plains
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 Title & Authors
Taxonomical Classification of Cheongweon Series Distributed on Broad Continental Alluvial Plains
Song, Kwan-Cheol; Hyun, Byung-Geun; Sonn, Yeon-Kyu; Park, Chan-Won; Chun, Hyen-Chung; Moon, Yong-Hee;
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 Abstract
This study was conducted to reclassify Cheongweon series based on the second edition of Soil Taxonomy and to discuss the formation of Cheongweon series distributed on broad continental alluvial plains. Morphological properties of typifying pedon of Cheongweon series were investigated and physico-chemical properties were analyzed according to Soil survey laboratory methods manual. The typifying pedon of Cheongweon series has dark grayish brown (2.5Y 4/2) silt loam Ap horizon (0~18 cm), dark grayish brown (2.5Y 4/2) silt loam BA horizon (18~30 cm), dark yellowish brown (10YR 4/6) silty clay loam Bt1 horizon (30~60 cm), strong brown (7.5YR 4/6) silty clay loam Bt2 horizon (60~91 cm), brown (10YR 4/4) silt loam BC horizon (91~104 cm), and mottled (7.5YR 4/6, and 7.5YR 5/2) silt loam C horizon (104~160 cm). The typifying pedon has an argillic horizon from a depth of 30 to 91 cm and a base saturation (sum of cations) of 35% or more at 125 cm below the upper boundary of the argillic horizon. It can be classified as Alfisol, not as Incceptisol. It has udic soil moisture regime, and can be classified as Udalf. Also that meets the requirements of Hapluadalf. It has anthraquic condition, and keys out as Anthraquic Hapludalf. That has fine silty textural family, and has mesic soil temperature regime. Therefore Cheongweon series can be classified as fine silty, mixed, mesic family of Anthraquic Hapludalfs, not as fine silty, mixed, mesic family of Fluvaquentic Epiaquepts.
 Keywords
Argillic horizons;Base saturation (sum of cations);Anthraquic Hapludalfs;Alluvial plains;Cheongweon series;
 Language
Korean
 Cited by
1.
지형특성에 따른 전북지역 논토양 화학성 변화,안병구;이진호;김갑철;김형국;정성수;전혜원;장용선;

한국토양비료학회지, 2012. vol.45. 3, pp.393-398 crossref(new window)
1.
Changes in Chemical Properties of Paddy Field Soils as Influenced by Regional Topography in Jeonbuk Province, Korean Journal of Soil Science and Fertilizer, 2012, 45, 3, 393  crossref(new windwow)
2.
Long-term Investigation of Soil Chemical Properties in Paddy Fields Located in Different Topographic Areas of Jeonbuk Province, Korean Journal of Soil Science and Fertilizer, 2016, 49, 3, 275  crossref(new windwow)
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