Cesium-137 in Japanese Soil and Rice : Cesium-137 in Japanese Soil and Rice

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Japanese soil and rice collected at 15 localities have been analyzed for cesium-137 since 1959 through 1963. The time trend of rice-levels indicates the minimum in 1960 and 1961 and the maximum in 1963, showing more than threefold value of the minimum. A higher dependency was observed of the level of cesium 137 in rice on the fallout rate than either of the cumulative ground deposit or the N-ammonium acetate extractable cesium-137 in soil. Variation with locality is great and the highest rice-level is observed on the northern Japan Sea side, the lowest in the central and southern parts, and intermediate on the northern Pacific side.

Japanese soil and rice collected at 15 localities have been analyzed for cesium-137 since 1959 through 1963. The time trend of rice-levels indicates the minimum in 1960 and 1961 and the maximum in 1963, showing more than threefold value of the minimum. A higher dependency was observed of the level of cesium 137 in rice on the fallout rate than either of the cumulative ground deposit or the N-ammonium acetate extractable cesium-137 in soil. Variation with locality is great and the highest rice-level is observed on the northern Japan Sea side, the lowest in the central and southern parts, and intermediate on the northern Pacific side.

収録刊行物

  • Journal of Radiation Research

    Journal of Radiation Research 6(1), 32-44, 1965

    Journal of Radiation Research Editorial Committee

被引用文献:  2件中 1-2件 を表示

各種コード

  • NII論文ID(NAID)
    110002322835
  • NII書誌ID(NCID)
    AA00705792
  • 本文言語コード
    ENG
  • 資料種別
    Journal Article
  • ISSN
    0449-3060
  • データ提供元
    CJP引用  NII-ELS  IR  J-STAGE  NDL-Digital 
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