Distribution of Strongly Acidic Non-Andosols in Japan Based on the Data in Soil Survey Reports on Reclaimed Land
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概要
- 論文の詳細を見る
Distributions of weakly acidic and strongly acidic soils in non-Andosols of Japan was shown using the data of exchange acidity y_1, which appeared in the soil survey reports on reclaimed land. The soils having less than 15 gP_2O_5 kg^<-1> of phosphate absorption coefficient were regarded as non-Andosols from the data of Hikazanseido, and soil profiles of 2876 non-Andosols were divided into two groups by exchange acidity y_1: exchange acidity y_1 < 6 for weakly acidic soil and exchange acidity y_1 ≧ 6 for strongly acidic soil. The weakly acidic soil occupied 24% of the total soil profiles and scattered in Japan. On the other hand, the strongly acidic soil occupied 76% of the total soil profiles and distributed in northern part of Hokkaido District, central part of Tohoku District, a part of Hokuriku District, a part of Chubu District, a part of Kinki District, Chugoku District, Shikoku District, and northern part of Kyushu District. These results suggested that the distribution of strongly acidic non-Andosols roughly corresponds to the distribution of non-allophanic Andosols.
- 日本ペドロジー学会の論文
- 2005-06-30
著者
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MATSUYAMA Nobuhiko
Faculty of Agriculture and Life Science, Hirosaki University
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Matsuyama Nobuhiko
Faculty Of Agriculture And Life Science Hirosaki University
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Saigusa Masahiko
Field Sci. Center Graduate School Of Agric. Sci. Tohoku Univ.
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Kudo Keiichi
Faculty Of Agriculture And Life Science Hirosaki University
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Matsuyama Nobuhiko
Hirosaki Univ. Hirosaki Jpn
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Saigusa Masahiko
Field Science Center Graduate School Of Agricultural Science Tohoku University
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