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The concentration of radiocaesium (134Cs and 137Cs) in brown rice collected from Oguni, Date, Fukushima in 2011 was over 500 Bq kg−1, which was the provisional regulation value in 2011, and rice cultivation was prohibited in 2012. Rice culture was resumed following the application of K fertilizer as a countermeasure in 2013. The concentration of 137Cs in soils and irrigation water in 2013 was in the...
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