Journal of Plant Research

, Volume 127, Issue 1, pp 67–71 | Cite as

The effect of fertilization on cesium concentration of rice grown in a paddy field in Fukushima Prefecture in 2011 and 2012

  • Yoshihiro Ohmori
  • Masataka Kajikawa
  • Sho Nishida
  • Nobuhiro Tanaka
  • Natsuko I. Kobayashi
  • Keitaro Tanoi
  • Jun Furukawa
  • Toru Fujiwara
JPR Symposium Current status and future control of cesium contamination in plants and algae in Fukushima

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.

Keywords

Radioactive cesium Fertilizer Rice Fukushima 1 nuclear power plant accident 

Notes

Acknowledgments

We greatly appreciate Prof. Yuichi Onda at Tsukuba University and Mr. Shuhei Kanno for cultivating the rice in the paddy field and maintenance of the rice field. This work is supported in part by a grant from the Mitsui & Co., Ltd., Environment Fund and a Grant-in-Aid for the Scientific Research on Innovative Areas from Japan Society for Promotion of Science (no 24110007).

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Copyright information

© The Botanical Society of Japan and Springer Japan 2013

Authors and Affiliations

  • Yoshihiro Ohmori
    • 1
  • Masataka Kajikawa
    • 1
  • Sho Nishida
    • 1
  • Nobuhiro Tanaka
    • 1
  • Natsuko I. Kobayashi
    • 4
  • Keitaro Tanoi
    • 4
  • Jun Furukawa
    • 2
    • 3
  • Toru Fujiwara
    • 1
  1. 1.Laboratory of Plant Nutrition and Fertilizers, Department of Applied Biological Chemistry, Graduate School of Agricultural and Life SciencesUniversity of TokyoBunkyo-kuJapan
  2. 2.Faculty of Life and Environmental SciencesUniversity of TsukubaTsukubaJapan
  3. 3.Center for Research in Isotopes and Environmental DynamicsUniversity of TsukubaTsukubaJapan
  4. 4.Laboratory of radio-plant physiology, Department of Applied Biological Chemistry, Graduate School of Agricultural and Life SciencesUniversity of TokyoBunkyo-kuJapan

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