Title |
The effect of fertilization on cesium concentration of rice grown in a paddy field in Fukushima Prefecture in 2011 and 2012
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Published in |
Journal of Plant Research, December 2013
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DOI | 10.1007/s10265-013-0618-7 |
Pubmed ID | |
Authors |
Yoshihiro Ohmori, Masataka Kajikawa, Sho Nishida, Nobuhiro Tanaka, Natsuko I. Kobayashi, Keitaro Tanoi, Jun Furukawa, Toru Fujiwara |
Abstract |
After the accident of the Fukushima 1 nuclear power plant in March 2011, radioactive cesium was released and paddy field in a wide area of Fukushima Prefecture was contaminated. To reduce radioactive Cs uptake by rice, it is important to understand factors that affect Cs uptake in rice. Here we describe our study in 2011 and 2012 to investigate Cs concentration in two rice cultivars, Koshihikari and Hitomebore, the top two cultivars in Fukushima prefecture, grown under different fertilizer conditions in the contaminated paddy field. Our study demonstrated that high nitrogen and low potassium conditions increase Cs concentrations both in straw and brown rice. |
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