Acidity of Japanese Cultivated Andosols and Significance of Exchange Acidity y<sub>1</sub> in Their Classification.

MATSUYAMA NOBUHIKO; SAIGUSA MASAHIKO; KUDO KEIICHI

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J-GLOBAL ID：200902129391178814 Reference number：00A0071338

Acidity of Japanese Cultivated Andosols and Significance of Exchange Acidity y₁ in Their Classification.

我が国耕地黒ボク土の酸性状態と交換酸度y₁を用いる耕地黒ボク土の分類上の問題点

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Volume： 70 Issue： 6 Page： 754-761 Publication year： Dec. 05, 1999
JST Material Number： G0156A ISSN： 0029-0610 CODEN： NIDHAX Document type： Article
Article type：原著論文 Country of issue： Japan (JPN) Language： JAPANESE (JA)

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Soil formation(=soil genesis,pedogenesis)and classification

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2) LEAMY M. L. International Committee on the Classification of Andisols(ICOMAND)Circular Letter. (1988) vol.10,
3) Soil Survey Staff. Keys to Soil Taxonomy, 4th ed.. SMSS Technical Monograph. (1990) vol..19,
4) 土壌保全調査全国協議会編. 日本の耕地土壌の実態と対策. 博友社. (1991) p.3-55.
5) 農耕地土壌分類委員会. 農耕地土壌分類第3次改訂版. 農環研資. (1995) vol.17, p.4-8.

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Acidity of Japanese Cultivated Andosols and Significance of Exchange Acidity y1 in Their Classification.

Acidity of Japanese Cultivated Andosols and Significance of Exchange Acidity y₁ in Their Classification.