Updated on 2025/08/12

写真a

 
Naomi Asagi
 
Organization
Graduate School of Agriculture Department of Food Production Science Associate Professor
Title
Associate Professor

Degree

  • 博士（農学） ( 2008.3   愛媛大学 )

Research Interests

  • soil

  • crop

  • 15N

  • 13C

  • 緑肥

  • 水稲

  • 持続型農業

  • 土壌

  • 栽培

  • 畑

  • 養分動態

  • organic matter

Research Areas

  • Environmental Science/Agriculture Science / Crop production science

Education

  • Ehime University

    2005.4 - 2008.3

  • Ehime University

    2003.4 - 2005.3

  • Hokkaido University

    1994.4 - 1998.3

Research History

  • Ehime University   Associate Professor

    2025.4

  • Ibaraki University   Associate Professor

    2009.10 - 2025.3

  • Tohoku University   Researcher

    2009.2 - 2009.9

  • Ehime University   Project Researcher

    2008.4 - 2009.1

Professional Memberships

  • 日本農作業学会

    2008.1

  • 日本土壌肥料学会

    2004.4

  • 日本作物学会

    2004.1

Committee Memberships

  • 日本作物学会   評議員  

    2024.4   

  • 日本土壌肥料学会   英文誌編集委員  

    2023.9   

  • 日本作物学会   和文誌編集委員  

    2022.4   

  • 日本農作業学会   会計幹事  

    2019.4 - 2021.3   

  • 日本土壌肥料学会   和文誌編集委員  

    2018.4 - 2020.3   

  • 日本農作業学会   農作業研究　編集委員  

    2017.4 - 2019.3   

  • 日本作物学会   庶務幹事（副）  

    2012.1 - 2014.12   

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Papers

  • Effects of the interactions between a cover crop and a microbial inoculant on rice growth and yield in an organic paddy field Reviewed

    Takatoki Kaku, Naoya Takashima, Kohki Mutoh, Jun Sugai, Midori Sakoda, Tomoyasu Nishizawa, Tsuyoshi Isawa, Naomi Asagi, Masakazu Komatsuzaki

    Soil Science and Plant Nutrition   71 ( 3 )   301 - 311   2025.4

    　More details

    Authorship：Corresponding author  

    DOI： 10.1080/00380768.2025.2488788

  • Genetic diversity of leaf photosynthesis under fluctuating light conditions among temperate japonica rice varieties Reviewed

    Taniyoshi K., Honda S., Miyamoto A., Asagi N., Matsuoka M., Tanaka Y., Adachi S., Yamori W.

    Journal of Experimental Botany   76 ( 10 )   2775 - 2785   2025

  • Effects of Cover Crops on Soil Inorganic Nitrogen and Organic Carbon Dynamics in Paddy Fields Reviewed

    Jun Sugai, Naoya Takashima, Koki Muto, Takatoki Kaku, Honoka Nakayama, Naomi Asagi and Masakazu Komatsuzaki

    Agriculture   14 ( 12 )   2365   2024

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  • Changes in soil hydraulic conductivity in sweet potato field with living mulch

    Junko Nishiwaki, Takuya Koseki, Naomi Asagi, Hirotaka Saito, Roy C. Sidle

    Agricultural & Environmental Letters   2023

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  • Response of weeds and rice yield to Italian ryegrass as a cover crop and planting density in organic farming Reviewed

    Takushi Matsuoka, Naomi Asagi, Masakazu Komatsuzaki

    Agronomy Journal   114   689 - 699   2022

  • 中国上海市で市販されている精米の理化学的・形態学的特性―2015年産米の事例から― Reviewed

    佐藤登代子・新田洋司・塩津文隆・浅木直美・井上栄一

    日本作物学会紀事   90 ( 1 )   52 - 63   2021

  • The Carbon Degradation of Paddy Soil under Organic and Conventional Farming in Bali, Indonesia as Measured by Sequential Loss on Ignition Reviewed

    Nobuo SAKAGAMI, Fumitaka SHIOTSU, Naomi ASAGI, Masakazu KOMATSUZAKI, Youji NITTA, Dewa Ngurah SUPRAPTA

    Tropical Agriculture and Development   63 ( 1 )   30 - 33   2019

  • クラゲチップと米ぬかの肥料効果と抑草効果を利用した水稲栽培 Reviewed

    杉本秀樹・越智由紀恵・浅木直美・諸隈正裕・加藤尚・荒木卓哉・ シェイク タンヴィ－ル ホセイン

    日本作物学会紀事   88 ( 4 )   246 - 252   2019

  • Morphological analysis on comparison of organic and chemical fertilizers on grain quality of rice at different planting densities Reviewed

    Kifayatullah Kakar, Youji Nitta, Naomi Asagi, Masakazu Komatsuzaki, Fumitaka Shiotsu, Toshiaki Kokubo and Tran Dang Xuan

    Plant Production Science   22 ( 4 )   510 - 518   2019

  • スィートソルガム栽培の有無と残渣の施用方法がウコン根茎の収量とクルクミン濃度におよぼす影響 Reviewed

    浅木直美・窪田俊仁・坂上伸生・岡田拓也・長谷川守文・磯野健雄・新田洋司

    農作業研究   53 ( 3 )   149 - 157   2018

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    Authorship：Lead author  

  • Effect of added organic matter on soil fertility after stripping-off Cs-contaminated top soil at Iitate village in Fukushima Prefecture Reviewed

    Junko Nishiwaki・Naomi Asagi・ Masakazu Komatsuzaki・Masaru Mizoguchi ･ Kosuke Noborio

    Paddy and Water Environment   15   11 - 18   2017

  • Acidulocompost, a food waste compost with thermophilic lactic acid fermentation: its effects on potato production and weed growth Reviewed

    Naomi Asagi, Keisuke Minamide, Toru Uno, Masanori Saito and Toyoaki Ito

    Plant Production Science   19   132 - 144   2016

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    Authorship：Lead author  

  • Initiation and Dissemination of Organic Rice Cultivation in Bali, Indonesia Reviewed

    Fumitaka Shiotsu, Nobuo Sakagami, Naomi Asagi, Dewa Ngurah Suprapta, Nurwulan Agustiani, Youji Nitta and Masakazu Komatsuzaki

    Sustainability   7   5171 - 5181   2015

  • Fate of 15N-labeled Inorganic Fertilizer in an Upland Soil Applied with Sweet Sorghum Bagasse and N Uptake Efficiency by Komatsuna Plants Reviewed

    Naomi Asagi, Tatsuya Miya, Takashi Homma, Fumitaka Shiotsu, Toshiaki Kokubo,Youji Nitta, Hideto Ueno, Tatsuo Sato, Masakazu Komatsuzaki and Akira Kato

    Plant Production Science   18 ( 4 )   535 - 541   2015

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    Authorship：Lead author  

  • A New Strategy for Utilizing Rice Forage Production Using a No-Tillage System to Enhance the Self-Sufficient Feed Ratio of Small Scale Dairy Farming in Japan Reviewed

    Windi Al Zahra, Takeshi Yasue, Naomi Asagi, Yuji Miyaguchi, Bagus Priyo Purwanto and Masakazu Komatsuzaki

    Sustainability   6   4975 - 4989   2014

  • 中国産多収性水稲品種の吸収窒素利用効率に及ぼす緩効性肥料の施用効果　 Reviewed

    小久保敏明・宮崎彰・吉田徹志・山本由徳・浅木直美・上野秀人・居静・王余龍

    日本作物学会紀事   82 ( 4 )   337 - 344   2013

  • The use of desalinated-dried jellyfish and rice bran for controlling weeds and rice yield Reviewed

    Hossain, S.T., Sugimoto, H., Asagi, N., Araki, T., Ueno, H., Morokuma, M. & Kato, H.

    Journal of Organic Systems   8 ( 1 )   28 - 37   2013

  • Indirect 15N Isotope Techniques for Estimating N Dynamics and N Uptake by Rice from Poultry Manure and Sewage Sludge

    Adel Mohamed Ghoneim, Hideto Ueno, Naomi Asagi and Takeshi Watanabe

    Asian Journal of Earth Sciences   5 ( 2 )   63 - 69   2012

  • マメ科緑肥リビングマルチ条件下の水稲栽培における湛水開始時期の違いが水稲の生育，収量に与える影響 Reviewed

    浅木直美・上野秀人

    日本作物学会紀事   78 ( 1 )   27 - 34   2009

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    Authorship：Lead author  

  • 西南暖地におけるシロクローバのすき込みおよびリビングマルチ処理が水稲の生育，収量および土壌アンモニア態窒素濃度に与える影響 Reviewed

    浅木直美・上野秀人

    農作業研究   44 ( 3 )   251 - 262   2009

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    Authorship：Lead author  

  • Nitrogen dynamics in paddy soil applied with various 15N-labelled green manures Reviewed

    Naomi Asagi・Hideto Ueno

    Plant and Soil   322   251 - 262   2009

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    Authorship：Lead author  

  • Effects of Sewage Sludge Application on Rice Growth, Soil Properties, and N Fate in Low Fertile Paddy Soil

    Naomi Asagi, Hideto Ueno and Azza Ebid

    International Journal of Soil Science   2 ( 3 )   171 - 181   2008

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    Authorship：Lead author  

  • Recovery of 15N Derived from Rice Residues and Inorganic Fertilizers Incorporated in Soil Cultivated with Japanese and Egyptian Rice Cultivars

    A. Ebid, H. Ueno, A. Ghoneim and N. Asag

    Journal of Applied Sciences   8 ( 18 )   3261 - 3266   2008

  • Analysis of Nitrogen Dynamics and Fertilizer Use Efficiency in Rice Using the Nitrogen-15 Isotope Dilution Method Following the Application of Biogas Slurry or Chemical Fertilizer

    Adel Ghoneim, H. Ueno, A. Ebid, N. Asagi and I. Abou El darag

    International Journal of Soil Science   3 ( 1 )   11 - 19   2008

  • Uptake of carbon and nitrogen derived from carbon-13 and nitrogen-15 dual-labeled maize residue compost applied to radish, komatsuna, and chingensai for three consecutive croppings

    Azza Ebid・Hideto Ueno・Adel Ghoneim・Naomi Asagi

    Plant and Soil   304   241 - 248   2008

  • Determination of Application Effects of Sewage Sludge on Growth, Soil Properties, and N Uptake in Komatsuna by using the Indirect 15N Isotope Method

    Naomi Asagi and Hideto Ueno

    Communications in Soil Science and Plant Analysis   39   1928 - 1942   2008

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    Authorship：Lead author  

  • Establishment of Rice Seedlings by Direct Sowing of Multiple Seed Pellets on Paddy Soil Covered with Legume Living Mulch

    Naomi Asagi, Hideto Ueno, Hiroyuki Sekiya and Hitoshi Ogiwara

    Plant Production Science   11 ( 3 )   361 - 365   2008

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    Authorship：Lead author  

  • Nitrogen Uptake by Radish, Spinach and “Chingensai” from Composted Tea Leaves, Coffee Waste and Kitchen Garbage

    Azza Ebid, Hideto Ueno, Adel Ghoneim and Naomi Asagi

    Compost Science & Utilization   16 ( 3 )   152 - 158   2008

  • Uptake of Carbon and Nitrogen Through Rice Root from 13C and 15N Dual-labeled Maize Residue Compost

    Azza Ebid, Hideto Ueno，Adel Ghoneim and Naomi Asagi

    International Journal of Biological Chemistry   1 ( 2 )   75 - 83   2007

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Teaching Experience (On-campus)

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