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Radioactive Cs transfer to vegetables after the FDNPP accident

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Title: Radioactive Cs transfer to vegetables after the FDNPP accident
Authors: Shinano, Takuro Browse this author →KAKEN DB
Asaeda, Satoshi Browse this author
Yashiro, Saeko Browse this author
Saito, Takashi Browse this author
Maruyama, Hayato Browse this author →KAKEN DB
Nemoto, Tomoaki Browse this author
Hachinohe, Mayumi Browse this author
Keywords: Cs-137
Fukushima Prefecture
potassium application
Issue Date: 2-Dec-2022
Publisher: Taylor & Francis
Journal Title: Soil science and plant nutrition
Volume: 69
Issue: 1
Start Page: 54
End Page: 65
Publisher DOI: 10.1080/00380768.2022.2152263
Abstract: To evaluate the effectiveness of potassium (K) application in mitigating(137)Cs transfer from soil to plants, several vegetable species were cultivated under field and pot experiments. In the field experiment, squash, sweet potato, turnip, potato, and carrot were examined in 2020 and 2021 in two different areas of Hamadori (coastal region in Fukushima Prefecture). Transfer factor (TF) was calculated by dividing harvest radioactivity (Bq kg(-1) dry or fresh) to soil radioactivity (Bq kg(-1) dry) and was negatively correlated with the amount of exchangeable K (ExK) at harvest, regardless of the species, year, and location. In the pot experiment, edamame (immature soybean seed), spinach, turnip, and komatsuna were cultivated, and it was confirmed that ExK was the most powerful factor in regulating TF. Based on the relationship between ExK and TF for each vegetable species, the amount of ExK required to keep the Cs-137 concentration lower than a certain level (standard limitation value and one-quarter of that value) was calculated.
Rights: This is an original manuscript of an article published by Taylor & Francis in Soil science and plant nutrition on 02 Dec 2022, available at:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 信濃 卓郎

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