Genesis of soils with an abrupt textural contrast in the United States

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Genesis of soils with an abrupt textural contrast in the United States

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作者：James G. Bockheim ; ^{bockheim@wisc.edu" class="auth_mail" title="E-mail the corresponding author}
关键词：Soil classification ; Soil formation ; Texture-contrast soils ; Duplex soils ; Soil Taxonomy
刊名：Catena
出版年：2016
出版时间：February 2016
年：2016
卷：137
期：Complete
页码：422-431
全文大小：982 K

文摘

•: Abrupt textural change soils in 4 orders, 14 suborders, 31 great groups & 1000 series in USA
•: ATC soils fine-textured, high in smectitic clay
•: Eluvial-illuvial horizons vary by 2 soil textural classes
•: 53% of ATC soils in pale- great groups
•: Clay illuviation, parent material layering &lithologic discontinuities main sources of ATC

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