PMID: 11911524Mar 26, 2002Paper

Rice uptake and distributions of radioactive 137Cs, stable 133Cs and K from soil

Environmental Pollution
Hirofumi TsukadaShin'ichi Yamasaki

Abstract

The distributions of radionuclides in plant components as to radionuclide transfer to animals are important for understanding the dynamics of radionuclides in an agricultural field. Most of the non-edible parts in these components are returned to the soil as organic fertilizer where they may again be utilized in the soil-plant pathway and/or are mixed with feed for livestock. Rice plants were grown in an experimental field and separated at harvest into different components, including polished rice, rice bran, hull, leaves, stem and root, and then the distributions of radioactive 137Cs, stable 133Cs and K in these components were determined. The distribution of 137Cs in polished rice and rice bran was similar to that of 133Cs, while that of K was different. The concentration ratios of 133Cs/K in leaf blade positions increased with aging, which means that the translocation rate of 133Cs in rice plants was slower than that of K. At harvest the distribution of dry weight in polished rice to entire rice plants was 34%, and the distributions of 133Cs in the polished rice and the non-edible parts were 7 and 93%, respectively, whereas those of K in the polished rice and the non-edible parts were 2 and 98%, respectively. Findings sugges...Continue Reading

Citations

Mar 30, 2005·Journal of Environmental Radioactivity·Hirofumi TsukadaJiro Inaba
Apr 13, 2012·PloS One·Takumi HigakiSeiichiro Hasezawa
Jan 7, 2014·Shokuhin eiseigaku zasshi. Journal of the Food Hygienic Society of Japan·Ryota MitsuhashiHajime Fugo
Dec 18, 2013·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Yasuhiro UnnoTsutomu Miura
Dec 18, 2013·Journal of Plant Research·Hitoshi SekimotoAkio Matsuzaki
Aug 4, 2012·Journal of Bioscience and Bioengineering·Masaki OkudaHitoshi Shimoi
Apr 2, 2016·Journal of Environmental Radioactivity·Shokichi WakabayashiShigeru Takahashi
Sep 26, 2013·Journal of Environmental Radioactivity·Dong YanPing Zhang
Feb 27, 2015·Journal of Food Protection·Mayumi HachinoheShioka Hamamatsu
Dec 29, 2007·Journal of Environmental Radioactivity·Hirofumi TsukadaJiro Inaba
Feb 9, 2017·Ecotoxicology and Environmental Safety·Federica RinaldiEmilie Pecharová
Jan 1, 2016·Breeding Science·Kyoko TakagiToshiro Matsunaga
May 27, 2017·Scientific Reports·Satoru IshikawaHiroki Takagi
Mar 1, 2016·Functional Plant Biology : FPB·Natsuko I KobayashiTomoko M Nakanishi
Apr 16, 2021·Journal of Environmental Radioactivity·Hisaya MatsunamiTakuro Shinano
Jul 8, 2021·Journal of Hazardous Materials·Anyi Niu, Chuxia Lin

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