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Report No.

$$^{137}$$Cs transfer from soils contaminated by resuspended particles to Japanese mustard spinach in difficult-to-return zone of Fukushima

Tatsuno, Takahiro*; Nihei, Naoto*; Yoshimura, Kazuya  ; Ote, Nobuhito*

This study investigated the transfer of $$^{137}$$Cs to crops and soil contamination by resuspended particles derived from airborne and ground surface. We conducted the cultivation test of a Japanese mustard spinach in pot placed at study fields. The soil in pots might be mainly contaminated by soil particles derived from the ground surface, and $$^{137}$$Cs transferred to the spinaches was observed. However, the proportion of water-exchangeable and organic fractions of $$^{137}$$Cs in the resuspended particles derived from airborne was greater than that from ground surface, resulting in the greater $$^{137}$$Cs transfer factor. Therefore, it is important to grasp the source of resuspended particles.



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Category:Chemistry, Analytical



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