Updated on 2026/01/06

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

  • 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   

▼display all

Papers

  • Impact of Long-Term Organic No-Tillage on Soil Aggregation, Aggregate-Associated Carbon, and Soil Water Retention

    Hashimi R.

    Soil Use and Management   41 ( 4 )   2025.10

     More details

    Publisher:Soil Use and Management  

    DOI: 10.1111/sum.70158

    Scopus

  • 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

     More details

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

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

    Agricultural & Environmental Letters   2023

     More details

  • 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

     More details

    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

     More details

    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

     More details

    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

     More details

    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

     More details

    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

     More details

    Authorship:Lead author  

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

    Naomi Asagi, Hideto Ueno and Azza Ebid

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

     More details

    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-15Isotope Dilution Method Following the Application of Biogas Slurry or Chemical Fertilizer Reviewed

    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 maizeresidue compost applied to radish, komatsuna, and chingensai for three consecutive croppings Reviewed

    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 NUptake in Komatsuna by using the Indirect 15N Isotope Method Reviewed

    Naomi Asagi and Hideto Ueno

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

     More details

    Authorship:Lead author  

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

    Naomi Asagi, Hideto Ueno, Hiroyuki Sekiya and Hitoshi Ogiwara

    Plant Production Science   11 ( 3 )   361 - 365   2008

     More details

    Authorship:Lead author  

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

    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 Reviewed

    Azza Ebid, Hideto Ueno,Adel Ghoneim and Naomi Asagi

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

▼display all

Presentations

  • 緑肥を利用した有機水田における不耕起処理がメタン発生におよぼす影響

    西村詞生・杉本百・浅木直美・上野秀人

    日本土壌肥料学会2025年度関西支部講演会  2025.12 

     More details

    Event date: 2025.12

  • 継続的な有機農業の実践による土壌の健全性指標に係わる土壌の一般理化学性の変化

    豊田百梨; 大崎開土; Dewi RK; 小松崎将一; 浅木直美; 坂上伸生

    第26回日本有機農業学会大会  2025.12 

     More details

    Event date: 2025.12

  • テンサイ移植栽培における根部エンドファイト資材利用に関する現地試験

    熊本光太郎; 野口 愛; 大竹 勝; 小田一登; 浅木直美; 成澤才彦; 坂上伸生

    第26回日本有機農業学会大会  2025.12 

     More details

    Event date: 2025.12

  • 緑肥施用水田における不耕起処理が土壌化学性と水稲生育に及ぼす影響

    杉本百・西村詞生・浅木 直美・上野秀人・ 阿立真 崇・有澤雅音・平井利典・ 山下陽一

    日本作物学会四国談話会第62回講演会  2025.11 

     More details

    Event date: 2025.11

  • 愛媛県中予地域における緑肥を組み合わせたダイズ不耕起密植栽培時のGHG 発生

    西村詞生・浅木直美・当 真要・大森誉紀・秋山勉・ 水口聡・上野秀人1

    日本作物学会四国談話会第62回講演会  2025.11 

     More details

    Event date: 2025.11

  • 愛媛県中予地域の転換畑における不耕起緑肥施用がダイズ栽培土壌の理化学性に与える効果

    大西勇輝・山本麟太朗・ 西村詞生・財津こはく・萩原千佳・山﨑凜・秋山勉・ 大森誉紀・水口聡・浅木直 美・上野秀人

    日本作物学会四国談話会第62回講演会  2025.11 

     More details

    Event date: 2025.11

  • 愛媛県中予地域の緑肥施用水田転換 畑におけるダイズ不耕起密植栽培が 生育、収量、品質、養分吸収、雑草 防除に与える効果

    財津こはく・大西勇輝・ 萩原千佳・山本麟太朗・黄地ヒカル・井上亜子・山﨑 凜・杉本百・西村詞生・ 浅木直美・大森誉紀・水口 聡・秋山勉・上野秀人

    日本作物学会四国談話会第62回講演会  2025.11 

     More details

    Event date: 2025.11

  • 愛媛県中予地域の緑肥施用普通畑に おけるダイズ不耕起密植栽培が収 量、品質、養分吸収に与える効果

    黄地ヒカル・井上亜子・ 西村詞生・大森誉紀・秋山 勉・水口聡・浅木直美・ 上野秀人

    日本作物学会四国談話会第62回講演会  2025.11 

     More details

    Event date: 2025.11

  • 有機農業の継続による土壌性状の変化と土壌の健全性指標に関する検討

    豊田百梨; 石川風花; Dewi RK; 大崎開土; 浅木直美; 小松崎将一; 坂上伸生

    日本土壌肥料学会2025年大会(新潟大会)  2025.9 

     More details

    Event date: 2025.9

  • もみ殻炭投入土壌の窒素循環系微生物メタゲノム解析

    澤木薫・浅木直美*・迫田翠・西澤智康

    日本土壌肥料学会2025年大会(新潟大会)  2025.9 

     More details

    Event date: 2025.9

  • 継続的な不耕起農法による土壌団粒の消長とマクロ団粒に含まれる有機物の特性

    大崎開土; 豊田百梨; 浅木直美; 小松崎将一; 坂上伸生

    日本土壌肥料学会2025年大会(新潟大会)  2025.9 

     More details

    Event date: 2025.9

  • 不耕起処理とカバークロップ利用がダイズ収量と温室効果ガス排出におよぼす影響

    浅木直美; 川瀬礼実; 坂上伸生; 小松崎将一

    日本土壌肥料学会2025年大会(新潟大会)  2025.9 

     More details

    Event date: 2025.9

  • Changes in soil weathering properties and soil carbon sequestration under organic farming in the paddy fields in Bogor, Indonesia International coauthorship International conference

    Sakagami N.; Kikuchi K.; Asagi N.; Komatsuzaki M.; Liyantono; Syuaib MF

    The 3rd International Conference on Organic Agriculture in the Tropics (ORGATROP 2025)  2025.9 

     More details

    Event date: 2025.9

  • インドネシアにおける水田土壌の養分特性および土壌有機物動態と農業生産性との関係について International coauthorship

    菊池絢都; 浅木直美; 塩津文隆; Liyantono; 坂上伸

    日本ペドロジー学会2025年度大会  2025.8 

     More details

    Event date: 2025.8

  • 紙筒を用いたテンサイの育苗・移植栽培における根部エンドファイト資材の利用可能性について

    熊本光太郎; 野口 愛; 大竹 勝; 小田一登; 浅木直美; 坂上伸生; 成澤才彦

    日本土壌微生物学会2025年度大会  2025.6 

     More details

    Event date: 2025.6

  • 全国14地点の土壌がイネの生育・収量に及ぼす影響

    荒木田 里実, 浪越 毅, 柏木 純一, 林 怜史, 小松﨑 将一, 淺木 直美, 川村 和史, 池尻 明彦, 大森 誉紀, 坂上 潤一, 寳川 拓生, 齋藤 雅典, 松波 麻耶, 下野 裕之

    日本作物学会第259回講演会  2025.3 

     More details

    Event date: 2025.3

  • インドネシア・ボゴール市近郊の水田土壌における有機農業の継続年数と土壌の風化特性および有機物蓄積との関係 International coauthorship

    菊池絢都; 浅木直美; 小松崎将一; Liyantono; MF Syuaib; 坂上伸生

    日本熱帯農業学会第137回講演会  2025.3 

     More details

    Event date: 2025.3

  • インドネシアにおける農業生産と土壌の風化特性および有機農業の実践による土壌炭素動態の変化に関する調査 International coauthorship

    菊池絢都; 浅木直美; 塩津文隆; Liyantono; 坂上伸生

    日本熱帯農業学会第137回講演会  2025.3 

     More details

    Event date: 2025.3

  • インドネシア西ジャワ州ボゴール地域における有機農業の実践と土壌有機物の蓄積

    日本熱帯農業学会第135回講演会、熱帯農業研究17(別号1),p.59–60(3月,千葉)  2024.3 

     More details

    Language:Japanese   Presentation type:Poster presentation  

▼display all

Teaching Experience (On-campus)

▼display all