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2009 Volume 53 Issue 1 Pages
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Article type: Appendix
2009 Volume 53 Issue 1 Pages
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2009 Volume 53 Issue 1 Pages
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2009 Volume 53 Issue 1 Pages
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Article type: Index
2009 Volume 53 Issue 1 Pages
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Article type: Appendix
2009 Volume 53 Issue 1 Pages
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H. SHINDO
Article type: Article
2009 Volume 53 Issue 1 Pages
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Yu KAWAGUCHI, Tadashi TAKAHASHI, Masami NANZYO
Article type: Article
2009 Volume 53 Issue 1 Pages
2-10
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The formation of strongly eluviated soils near the crater lake of Osorezan, Shimokita Peninsula, Aomori Prefecture and the vertical distribution of metal element concentrations (Al, Co, Cu, Fe, Mn, Pb, Ti, and Zn) of the soils were studied as comparison of those of the neighboring a Kuroboku soil (Andosol) and a Podzolic soil. The Kuroboku soil showed an almost uniform vertical distribution of active (acid-oxalate extractable) Al and Fe (Al_o and Fe_o) concentrations. The Podzolic soil possessed the accumulation of Fe_o in the Bs horizon, reflecting the podzolization. On the contrary, the concentration of Al_o and Fe_o in the strongly eluviated soils was lowered in the entire horizons up to 1m depth. The vertical distribution of metal element concentrations were closely related to the soil formation: The concentrations of almost all the metals were remarkably lower as compared with the Kuroboku soil and the Podzolic soil. However, the distribution pattern of Ti which is considered to be less mobile element, showed a relative concentration in the strongly eluviated soils.
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Hideo KUBOTERA, Yasuhisa MASUDA, Atsushi SHOJI
Article type: Article
2009 Volume 53 Issue 1 Pages
11-20
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Morphology and properties of a pedon in Kuju Plateau that locates around the boundary of non-allophanic and allophanic Kuroboku soil areas were investigated. The profile was composed of black to brownish black horizons from the surface to 100cm depth. The horizons between surface and 36cm depth were non-allophanic horizons that showed low pH, large Al_p/Al_o ratios and crystalline minerals' peaks of XRD. Horizons below 36cm were allophanic. The similar stratigraphy and properties of horizons were observed in two other profiles in Kuju Plateau. The surveyed profile was classified into non-allophanic or allophanic soils as follows; Cumulic Non-allophanic Kuroboku soil in Unified Soil Classification System of Japan, High-humic Cumulic Non-allophanic Andosol or High-humic Curnulic Andosol in Classification of Cultivated Soils in Japan, Silandic Melanic Hydric Andosol (Acroxic, Hyperdystric) in WRB and Acrudoxic Hydric Melanudand in Soil Taxonomy. From the viewpoint of soil management, this profile should be regarded as a non-allophanic soil.
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Takashi KOSAKI, Shinya FUNAKAWA, Hiroshi OBARA
Article type: Article
2009 Volume 53 Issue 1 Pages
21-22
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Darwin W. ANDERSON
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2009 Volume 53 Issue 1 Pages
23-29
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Konstantin PACHIKIN, Olga EROKHINA, Shinya FUNAKAWA
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2009 Volume 53 Issue 1 Pages
30-37
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Toshiro NARUSE
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2009 Volume 53 Issue 1 Pages
38-45
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Masayuki TANI, Nobuhide FUJITAKE, Takashi KOSAKI
Article type: Article
2009 Volume 53 Issue 1 Pages
46-50
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Atsunobu KADONO
Article type: Article
2009 Volume 53 Issue 1 Pages
51-55
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Hiroshi OBARA, Shinya FUNAKAWA, Takashi KOSAKI
Article type: Article
2009 Volume 53 Issue 1 Pages
56-57
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[in Japanese]
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2009 Volume 53 Issue 1 Pages
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Article type: Appendix
2009 Volume 53 Issue 1 Pages
59-64
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2009 Volume 53 Issue 1 Pages
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Article type: Appendix
2009 Volume 53 Issue 1 Pages
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Article type: Cover
2009 Volume 53 Issue 1 Pages
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