Ohba Hirotomo

オオバヒロトモ | Ohba Hirotomo

Affiliation and department：
Job title： Assistant Senior Researcher

Research field (1)： Plant nutrition, soil science

Research keywords (6)： Organic rice production , greenhouse gas , Soil Science , iron-oxidizing bacteria , sulfur-oxidizing bacteria , acid sulfate soil

Research theme for competitive and other funds (1)：

2020 - 2024 Biomass production with low fertilizer input through enhancement of nitrogen fixation by iron reducing bacteria

Papers (17)：

Zhengcheng Zhang, Yoko Masuda, Zhenxing Xu, Yutaka Shiratori, Hirotomo Ohba, Keishi Senoo. Active Nitrogen Fixation by Iron-Reducing Bacteria in Rice Paddy Soil and Its Further Enhancement by Iron Application. Applied Sciences. 2023. 13. 14. 8156-8156
Weishou Shen, Yaou Long, Zijian Qiu, Nan Gao, Yoko Masuda, Hideomi Itoh, Hirotomo Ohba, Yutaka Shiratori, Adharsh Rajasekar, Keishi Senoo. Investigation of Rice Yields and Critical N Losses from Paddy Soil under Different N Fertilization Rates with Iron Application. International Journal of Environmental Research and Public Health. 2022. 19. 14. 8707-8707
Yoko Masuda, Yutaka Shiratori, Hirotomo Ohba, Takanori Ishida, Ryo Takano, Sakura Satoh, Weishou Shen, Nan Gao, Hideomi Itoh, Keishi Senoo. Enhancement of the nitrogen-fixing activity of paddy soils owing to iron application. Soil Science and Plant Nutrition. 2021. 67. 3. 243-247
Xu Zhenxing. シンポジウム水田土壌における鉄還元菌窒素固定の学術的基盤解明と低窒素農業への応用 : 低炭素社会の実現を目指して. Soil Microorganisms. 2021. 75. 2. 60-65
Honma Toshimitsu, Shiratori Yutaka, Ohba Hirotomo, Tsuchida Toru, Makino Tomoyuki, Abe Tadashi, Ishikawa Satoru. Concentrations of nutrient content in rice variety Koshihikari Kan No.1 and risk estimation of incidence of brown spot disease in different paddy fields. Japanese Journal of Soil Science and Plant Nutrition. 2017. 88. 3. 213-220

ｍore...

MISC (57)：

Ohba Hirotomo, Nakamura Tetsuya, Fujii Yoshiharu, Ookawa Taiichiro. Determination of the Additional Weeding Standard in Organic Rice Cultivation by MDR (multiplied dominance ratio) with Quadrat Method. Abstracts of Meeting of the CSSJ. 2022. 253. 11-11
Nakamura Tetsuya, Ohba Hirotomo, Iwasa Marina, Yoshiharu Fujii, Ookawa Taiichiro. The amount of Mechanical control & brownrice,and protection effect from damage of Pomacea canaliculataon AigamoRobo(tentative name) paddy test fields. Abstracts of Meeting of the CSSJ. 2022. 253. 12-12
佐藤咲良, 増田曜子, 大峽広智, 小暮敏博, 高橋嘉夫, 妹尾啓史. 6-1-1 鉄還元菌窒素固定に関わる鉄の水田土壌における形態と分布(6-1 水田土壌肥沃度 2021年度北海道大会). 日本土壌肥料学会講演要旨集. 2021. 67. 86-86
大峽広智, 高野諒, 佐藤咲良, 増田曜子, 伊藤英臣, 白鳥豊, 妹尾啓史. 6-1-2 窒素固定活性上昇のために鉄資材を施用した水田における水稲の養分吸収および収量向上とその持続性(6-1 水田土壌肥沃度 2021年度北海道大会). 日本土壌肥料学会講演要旨集. 2021. 67. 86-86
増田曜子, 伊藤英臣, 大峽広智, 白鳥豊, 妹尾啓史. 3-1-11 水田土壌から単離した新奇鉄還元菌の窒素固定能(3-1 土壌生物の生態と機能 2021年度北海道大会). 日本土壌肥料学会講演要旨集. 2021. 67. 29-29

ｍore...

Lectures and oral presentations (48)：

The amount of Mechanical control & brownrice,and protection effect from damage of Pomacea canaliculataon AigamoRobo(tentative name) paddy test fields
(Abstracts of Meeting of the CSSJ 2022)
Determination of the Additional Weeding Standard in Organic Rice Cultivation by MDR (multiplied dominance ratio) with Quadrat Method.
(Abstracts of Meeting of the CSSJ 2022)
20 黒ボク土壌における尿素由来の一酸化二窒素発生量が被覆尿素由来より多くなる環境要因(関東支部講演会 2020年度支部講演会)
(日本土壌肥料学会講演要旨集 2021)
3-1-11 水田土壌から単離した新奇鉄還元菌の窒素固定能(3-1 土壌生物の生態と機能 2021年度北海道大会)
(日本土壌肥料学会講演要旨集 2021)
6-1-2 窒素固定活性上昇のために鉄資材を施用した水田における水稲の養分吸収および収量向上とその持続性(6-1 水田土壌肥沃度 2021年度北海道大会)
(日本土壌肥料学会講演要旨集 2021)

ｍore...

Education (3)：

2002 - 2005 Niigata University
2000 - 2002 Niigata University
1996 - 2000 Niigata University Faculty of Agriculture Department of Applied Biological Chemistry

Professional career (1)：

Doctor of Agriculture (Niigata University)

Work history (6)：

2019/04 - 現在 Niigata Agricultural Research Institute Agro-Environment Research Division Assistant Senior Researcher
2018/04 - 2019/03 Niigata Regional Promotion Bureau
2016/08 - 2017/03 Niigata Regional Promotion Bureau 主任普及指導員
2016/04 - 2016/07 Niigata Regional Promotion Bureau
2009/04 - 2016/03 Niigata Agricultural Research Institute Agro-Environment and Management Research Division Assistant Senior Researcher

Show all

Association Membership(s) (4)：

Crop Science Society of Japan , Japanese Society of Soil Microbiology , Japanese Society of Pedology , Japanese Society of Soil Science and Plant Nutrition

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page