ARAO Tomohito

J-GLOBAL         Last updated: Jan 6, 2020 at 14:03
ARAO Tomohito
National Agriculture and Food Research Organization
Central Region Agricultural Research Center
Job title
Dr(Univ. Tokyo)
Research funding number

Research Interests


Research Areas


Academic & Professional Experience

Apr 2019
Director-General, Central Region Agricultural Research Center, NARO
Apr 2018
Mar 2019
Director of Department of Planning, Central Region Agricultural Research Center, NARO
Apr 2016
Mar 2018
Director of Plant Products Safety Research, Central Region Agricultural Research Center, NARO
Apr 2014
Mar 2016
Principal Research Coordinator, National Institute for Agro-Environmental Sciences
Apr 2013
Mar 2014
Director, Soil Environment Division, National Institute for Agro-Environmental Sciences
Apr 2011
Mar 2013
Senior Program Officer, Agriculture, Forestry and Fisheries Research Council, Ministry of Agriculture, Forestry and Fisheries

Published Papers

Tomohito Arao, Tomoyuki Makino, Akira Kawasaki, Ikuko Akahane & Nobuharu Kiho
SOIL SCIENCE AND PLANT NUTRITION   64(3) 433-437   2018   [Refereed]
High air temperatures during the grain-filling stage of rice (Oryza sativa L.) decrease grain yield and quality. Temperatures above the optimal growth temperature impair dry matter production due to reduced grain size. Since the arsenic (As) conce...
Tadashi Abe, Masato Kuramata, Masato Igura, Tomohito Arao, Tomoyuki Makino, Yoshihiro Sunohara, Makoto Kuroki and Satoru Ishikawa
19(3) 109-115   Sep 2017   [Refereed]
Makino T, Nakamura K, Katou H, Ishikawa S, Ito M, Honma T, Miyazaki N, Takehisa K, Sano S, Matsumoto S, Suda A, Baba K, Kawasaki A, Yamaguchi N, Akahane I, Tomizawa M, Arao T.
Soil Sci Plant Nutri.   62(4) 340-348   2016   [Refereed]
Ishikawa S, Makino T, Ito M, Harada K, Nakada H, Nishida I, Nishimura M, Tokunaga T, Shirao K, Yoshizawa C, Matsuyama M, Abe T, Arao T.
Soil Sci Plant Nutri.   62(4) 327-339   2016   [Refereed]


Kobayashi H, Makino T, Katoh H, shikawa S, Ma JF, Hashimoto Y, Yamaguchi N, Amachi S, Kawasaki A, Baba K, Arao T,
Japanese journal of soil science and plant nutrition   88 73-78   Feb 2017
Pollution of diphenylarsinic acid and its related compounds
ARAO Tomohito,Koji BABA, Yuji MAEJIMA
22 53-59   2017
ARAO Tomohito
Soil Science and Plant Nutrition   62(4) iii-iii   2016
The 13th International Conference on the Biogeochemistry of Trace Elements (ICOBTE) was held in Fukuoka, Japan, during 12–16 July 2015. About 500 people from 59 countries and regions participated in the conference. The conference included 13 speci...
Ishikawa S, Arao T, Nishizawa N, Nakanishi H
JATAFF journal   1(4) 32-35   Apr 2013
Arsenic contamination in soils and crops in Japan and various countermeasures
Arao, T., Kawasaki, A., Baba, K., and Matsumoto, S, Maejima, Y.
Pedologist   54 202-213   2011

Books etc

Cadmium Toxicity New Aspects in Human Disease, Rice Contamination, and Cytotoxicity
Seiichiro Himeno, Keiko Aoshima (editors) Tomohito Arao (Part:Joint Work, Mitigation Strategies for Cadmium and Arsenic in Rice)
Springer Nature Switzerland AG. Part of Springer Nature   Feb 2019   ISBN:978-981-13-3629-4
Cadmium (Cd) is a well-known global environmental pollutant. In Japan, however,
the problem of environmental pollution by Cd has appeared as severe cases of
human poisoning, known as itai-itai disease, which occurred in a confined local
area. The ...
Arsenic Contamination in Asia
Hiroshi Yamauchi, Guifan Sun (editors) Satoru Ishikawa, Tomohito Arao, Tomoyuki Makino (Part:Joint Work, Agronomic Strategies for Reducing Arsenic Risk in Rice)
Springer Nature Singapore Pte Ltd.   Nov 2018   ISBN:978-981-13-2565-6

Conference Activities & Talks

Toshimitsu Honma, Katsuhiro Ishii, Takafumi Mizuno , Tomoyuki Makino, Ken Nakamura, Hidetaka Katou and Tomohito Arao
23 Nov 2019   
Tomohito Arao, Ikuko Akahane, Shingo Matsumoto, Junko Kasuga
23 Nov 2019   
Effect of high temperature during the ripening period on the arsenic accumulation in rice grain
25 Sep 2019   
Reducing arsenic and cadmium concentrations in rice grains by intermittent irrigation with optimized irrigation intervals
Ken Nakamura, H. Katou, T. Makino, K. Baba, T. Arao et al
ICOBTE2019   7 May 2019   
S. Matsumoto, J. Kasuga, I. Akahane and Tomohito Arao
15th International Conference on the Biogeochemistry of Trace Elements (ICOBTE2019) May 5th-9th 2019   7 May 2019   

Research Grants & Projects

Evaluation of heavy metal loadings in arable soils and elucidation of the mechanisms of their absorption by crops
Project Year: 2001 - 2005