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Agricultural approaches of remediation in outside of the Fukushima Daiichi Nuclear Power Plant

福島第一原子力発電所のサイト外における水耕田の環境修復

佐藤 修彰*; 三倉 通孝*; 梅田 幹 ; 藤井 靖彦*; 雨宮 清*

Sato, Nobuaki*; Saso, Michitaka*; Umeda, Miki; Fujii, Yasuhiko*; Amemiya, Kiyoshi*

福島第一原子力発電所事故により汚染した水耕田にて、除染効果を確認する代かき試験及び放射性Csの挙動把握のための水稲栽培試験を実施した。水稲栽培試験では、土壌へのゼオライト散布及びカリウム施肥をパラメータとし、これらによる精米へのCs移行防止効果を調査した。本発表では、これら試験の概要を紹介する。

This paper outlines agricultural approaches of remediation activity in contaminated areas outside of the Fukushima Daiichi Nuclear Power Plant. About the decontamination examination of contaminated areas, we have tried the land scale test of a rice field before and after planting by the use of currently recommended methods. For the radioactive nuclide migration control of rice by wet rice production, several types of decontamination methods such as zeolite addition and potassium fertilization in the soil were examined, and investigated the validity of the cesium migration control for the brown rice by the combination of those methods.

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