Active aluminum status in surface horizons showing continuous climosequence of volcanic ash-derived soils in Towada District, Northeastern Japan

Tadashi Takahashi, Sadao Shoji

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)

    Abstract

    The relationship between the status of active Al of surface horizons formed in Towada-a ash and climatic conditions was studied in the Towada district, Aomori Prefecture. The mean monthly air temperature and precipitation were estimated from 1-km2 mesh data supplied by the Japan Meteorological Agency. Thornthwaite’s P-E (precipitation-evapotranspiration) index was used as the single climatic index combining the temperature and precipitation. The results showed that the status of active Al was definitely dependent on the P-E index, representing a continuous Spodosol-nonallophanic Andisol-allophanic Andisol transition.

    Original languageEnglish
    Pages (from-to)113-120
    Number of pages8
    JournalSoil Science and Plant Nutrition
    Volume42
    Issue number1
    DOIs
    Publication statusPublished - 1996 Mar

    Keywords

    • Active aluminum
    • Andisols
    • Meteorological mesh data
    • P-E index
    • Spodosols

    ASJC Scopus subject areas

    • Soil Science
    • Plant Science

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