Active Aluminum Status in Surface Horizons Showing Continuous Climosequence of Volcanic Ash-Derived Soils in Towada District, Northeastern Japan
スポンサーリンク
概要
- 論文の詳細を見る
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-km^2 mesh data supplied by the Japan Meteorological Agency. Thornthwaite's P-E (precipitation-evapotranspiration) index was used as the single climatic index combining teh 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.
- 社団法人日本土壌肥料学会の論文
著者
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Takahashi Tadashi
Akita Prefectural College of Agriculture
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Shoji Sadao
Faculty Of Agriculture Tohoku University
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