asai hidetoshi

Profile Information

Affiliation: 生産環境・畜産, 国立研究開発法人国際農林水産業研究センター

Researcher number: 30599064
J-GLOBAL ID: 201901006520029730
researchmap Member ID: B000359947

Research Interests

Research Areas

Environmental science/Agricultural science / Crop production science / 作物学、農業生態学

Education

Apr, 2006 - Jan, 2010

京都大大学大学院農学研究科博士課程
Apr, 2003 - Mar, 2006

Graduate School of Agriculture, Kyoto University
Apr, 1999 - Mar, 2003

Faculty of Agriculture, Kyoto University

Awards

Mar, 2018

平成29年度日本熱帯農業学会論文賞, 熱帯農業学会

浅井英利

Papers

Inorganic fertilizer use and its association with rice yield gaps in sub-Saharan Africa

Jean-Martial Johnson, Ali Ibrahim, Elliott Ronald Dossou-Yovo, Kalimuthu Senthilkumar, Yasuhiro Tsujimoto, Hidetoshi Asai, Kazuki Saito

Global Food Security, 38 100708-100708, Sep, 2023
Optimizing phosphorus management to increase grain yield and nutritional quality while reducing phytic acid concentration in black rice (Oryza sativa L.)

Aung Zaw Oo, Hidetoshi Asai, Kensuke Kawamura, Junichiro Marui, Kazuhiko Nakahara, Toshiyuki Takai, Hiroki Saito, Khin Thuzar Win, Juan Pariasca-Tanaka

Frontiers in Sustainable Food Systems, 7, Aug 2, 2023
Seed phytic acid concentration affects rice seedling vigor irrespective of soil phosphorus bioavailability.

Aung Zaw Oo, Hidetoshi Asai, Khin Thuzar Win, Junichiro Marui, Hiroki Saito

Physiologia plantarum, 175(3) e13913, Apr 12, 2023 Peer-reviewedCorresponding author
MORE PANICLES 3, a natural allele of OsTB1/FC1, impacts rice yield in paddy fields at elevated CO2 levels.

Toshiyuki Takai, Yojiro Taniguchi, Megumu Takahashi, Hideki Nagasaki, Eiji Yamamoto, Sakiko Hirose, Naho Hara, Hiroko Akashi, Jun Ito, Yumiko Arai-Sanoh …

The Plant journal : for cell and molecular biology, 114(4) 729-742, Mar 27, 2023 Peer-reviewed
Soil phosphorus retention can predict responses of phosphorus uptake and yield of rice plants to P fertilizer application in flooded weathered soils in the central highlands of Madagascar

Tomohiro Nishigaki, Yasuhiro Tsujimoto, Tovohery Rakotoson, Michel Rabenarivo, Andry Andriamananjara, Hidetoshi Asai, Haja Bruce Andrianary, Hobimiarantsoa Rakotonindrina, Tantely Razafimbelo

GEODERMA, 402, Nov, 2021
Application of a Bayesian approach to quantify the impact of nitrogen fertilizer on upland rice yield in sub-Saharan Africa

Hidetoshi Asai, Kazuki Saito, Kensuke Kawamura

Field Crops Research, 272 108284-108284, Oct, 2021 Peer-reviewedLead authorCorresponding author
Root Response to Soil Water Status via Interaction of Crop Genotype and Environment

Phanthasin Khanthavong, Shin Yabuta, Hidetoshi Asai, Md. Amzad Hossain, Isao Akagi, Jun-Ichi Sakagami

AGRONOMY-BASEL, 11(4), Apr, 2021 Peer-reviewed
Farmyard manure application increases spikelet fertility and grain yield of lowland rice on phosphorus-deficient and cool-climate conditions in Madagascar highlands

Hidetoshi Asai, Michel Rabenarivo, Andry Andriamananjara, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Toshiyuki Takai, Tovohery Rakotoson, Njato Mickael Rakotoarisoa, Tantely Razafimbelo

PLANT PRODUCTION SCIENCE, Apr, 2021 Peer-reviewedLead authorCorresponding author
Discriminating crops/weeds in an upland rice field from UAV images with the SLIC-RF algorithm

Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Pheunphit Soisouvanh, Sengthong Phongchanmixay

PLANT PRODUCTION SCIENCE, 24(2) 198-215, Apr, 2021 Peer-reviewedCorresponding author
Effects of quantitative trait locus MP3 on the number of panicles and rice productivity in nutrient-poor soils of Madagascar

Toshiyuki Takai, Mitsukazu Sakata, Njato M. Rakotoarisoa, Ny Toky Razafinarivo, Tomohiro Nishigaki, Hidetoshi Asai, Takuma Ishizaki, Yasuhiro Tsujimoto

CROP SCIENCE, 61(1) 519-528, Jan, 2021 Peer-reviewed
Exploring relevant wavelength regions for estimating soil total carbon contents of rice fields in Madagascar from Vis-NIR spectra with sequential application of backward interval PLS

Kensuke Kawamura, Tomohiro Nishigaki, Yasuhiro Tsujimoto, Andry Andriamananjara, Michel Rabenaribo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo

PLANT PRODUCTION SCIENCE, 24(1) 1-14, Jan, 2021 Peer-reviewed
Field phenotyping of plant height in an upland rice field in Laos using low-cost small unmanned aerial vehicles (UAVs)

Kensuke Kawamura, Hidetoshi Asai, Taisuke Yasuda, Phanthasin Khanthavong, Pheunphit Soisouvanh, Sengthong Phongchanmixay

PLANT PRODUCTION SCIENCE, 23(4) 452-465, Oct, 2020 Peer-reviewedCorresponding author
Impacts of the continuous maize cultivation on soil properties in Sainyabuli province, Laos

Kazuhiko Fujisao, Phanthasin Khanthavong, Saythong Oudthachit, Naruo Matsumoto, Koki Homma, Hidetoshi Asai, Tatsuhiko Shiraiwa

SCIENTIFIC REPORTS, 10(1) 11231-11231, Jul, 2020 Peer-reviewed
Identifying key traits in high-yielding rice cultivars for adaptability to both temperate and tropical environments

Toshiyuki Takai, Patrick Lumanglas, Eliza Vie Simon, Yumiko Arai-Sanoh, Hidetoshi Asai, Nobuya Kobayashi

CROP JOURNAL, 7(5) 685-693, Oct, 2019 Peer-reviewed
SPIKE, a quantitative-trait locus, increases rice grain yield under low-yield conditions

Toshiyuki Takai, Daisuke Fujita, Patrick Lumanglas, Eliza Vie Simon, Kazuhiro Sasaki, Tsutomu Ishimaru, Hidetoshi Asai, Nobuya Kobayashi

EUPHYTICA, 215(6), Jun, 2019 Peer-reviewed
Laboratory Visible and Near-Infrared Spectroscopy with Genetic Algorithm-Based Partial Least Squares Regression for Assessing the Soil Phosphorus Content of Upland and Lowland Rice Fields in Madagascar

Kensuke Kawamura, Yasuhiro Tsujimoto, Tomohiro Nishigaki, Andry Andriamananjara, Michel Rabenarivo, Hidetoshi Asai, Tovohery Rakotoson, Tantely Razafimbelo

REMOTE SENSING, 11(5), Mar, 2019 Peer-reviewed
The Relationship between the Physical Quality of Rice and the Market Price: A Case Study in Savannakhet, Laos, Using a Bayesian Approach

Kensuke D. Kawamura, Hidetoshi Asai, Shintaro Kobayashi, Soukasdachanh Souvannasing, Phonevilay Sinavong, Thavone Inthavong

SUSTAINABILITY, 10(11), Nov, 2018 Peer-reviewed
北部ラオスのサイニャブリ県の農家圃場でのトウモロコシ連作にともなう生産性の変化

藤竿和彦, Phanthasin Khanthavong・Saythong Oudthachit, 松本成夫, 本間香貴, 浅井英利, 白岩立彦

2017年無施肥無農薬栽培調査研究報告, 7-9, Mar, 2018 Invited
A study on the productivity under the continuous maize cultivation in Sainyabuli Province, Laos I. Yield trend under continuous maize cultivation

Kazuhiko Fujisao, Phanthasin Khanthavong, Saythong Oudthachit, Naruo Matsumoto, Koki Homma, Hidetoshi Asai, Tatsuhiko Shiraiwa

FIELD CROPS RESEARCH, 217 167-171, Mar, 2018 Peer-reviewed
Progress in varietal improvement for increasing upland rice productivity in the tropics

Kazuki Saito, Hidetoshi Asai, Dule Zhao, Alice G. Laborte, Cecile Grenier

PLANT PRODUCTION SCIENCE, 21(3) 145-158, 2018 Peer-reviewed

Misc.

ラオスにおけるコメのフードセキュリティの地域間格差とコメ不足地域の課題—Regional Rice Food Security Disparities and Regional Rice Deficits in Lao PDR

羽佐田勝美, 浅井英利, 川村健介, ポンサニットポンナチット, 山田隆一

開発学研究 = Journal of agricultural development studies / 日本国際地域開発学会 [編], 33(2) 31-38, Feb, 2023
Potential for high-functional rice production identified in black rice genetic resource of shifting cultivation in Lao

Asai Hidetoshi, Maruyama Kyonoshin, Boualaphanh Chanthakhone

Abstracts of Meeting of the CSSJ, 249 99-99, 2020
Weed detection in upland rice field of Laos from UAV images and machine learning

Kawamura Kensuke, Asai Hidetoshi, Yasuda Taisuke, Khanthavong Phanthasin, Soisouvanh Pheunphit, Phongchanmixay Sengthong

Abstracts of Meeting of the CSSJ, 249 70-70, 2020
Evaluation of rice QTL-MP3, increasing the number of panicles, under poor nutrient soils in Madagascar

Takai Toshiyuki, Sakata Mitsukazu, Rakotoarisoa Njato M, Razafinarivo Ny Toky, Nishigaki Tomohiro, Asai Hidetoshi, Ishizaki Takuma, Tsujimoto Yasuhiro

Abstracts of Meeting of the CSSJ, 249 79-79, 2020
Lowland rice yield and N use efficiency as affected by P fertilizer and farmyard manure application in P deficient soils in the central highlands of Madagascar

Asai Hidetoshi, Andriamananjara Andry, Rabenarivo Michel, Nishigaki Tomohiro, Takai Toshiyuki, Tsujimoto Yasuhiro

Abstracts of Meeting of the CSSJ, 249 16-16, 2020
風乾土水分含量を用いた土壌リン吸着能とリン施肥に対するイネのリン吸収応答の推定

西垣智弘, 川村健介, 浅井英利, RAKOTOSON Tovohery, ANDRIAMANANJARA Andry, RAZAFIMBELO Tantely, 辻本泰弘

日本土壌肥料学会講演要旨集(Web), 65, 2019
Yield potential of temperate and tropical high-yielding rice cultivars under both temperate and tropical environments

Takai Toshiyuki, Lumanglas Patrick, Simon Eliza Vie, Arai-Sanoh Yumiko, Asai Hidetoshi, Kobayashi Nobuya

Abstracts of Meeting of the CSSJ, 247 9-9, 2019
マダガスカル稲作土壌の全炭素含量の推定に有効な分光スペクトル波長領域のBackward interval PLSモデルによる選択

川村健介, 辻本泰弘, 浅井英利, RABENARIVO Michel, ANDRIAMANANJARA Andry, RAKOTOSON Tovohery

システム農学会シンポジウム要旨集, 2018, 2018
室内分光計測に基づくマダガスカル土壌中の全窒素・全炭素の推定

川村健介, 辻本泰弘, 浅井英利, RABENARIVO Michel, ANDRIAMANANJARA Andry, RAKOTOSON Tovohery

システム農学会シンポジウム要旨集, 2017 39‐40, 2017
Cassava cultivation and productivity in Sainyabuli province, Lao P.D.R.

Fujisao Kazuhiko, Khanthavong Phanthasin, Oudthachit Saythong, Matsumoto Naruo, Homma Koki, Asai Hidetoshi, Shiraiwa Tatsuhiko

Abstracts of Meeting of the CSSJ, 244 35-35, 2017
The productivity of maize in farmer's field in Sainyabuli Province in Lao P.D.R.

Fujisao Kazuhiko, Homma Koki, Shiraiwa Tatsuhiko, Matsumoto Naruo, Asai Hidetoshi, Ando Masuo, Phanthasin Khanthavong, Bounthong Bouahom

Abstracts of Meeting of the CSSJ, 239 165-165, 2015
Factors affecting variation in farm yields of rice in the Sub-Saharan Africa

TSUJIMOTO Y., SAITO K., MURANAKA S., ASAI H.

日本作物學會紀事, 82 4-5, Mar 28, 2013
How does Japanese scientist contribute to crop production science in Africa

ASAI Hidetoshi

日本作物學會紀事, 82 480-481, Mar 28, 2013
How does Japanese scientist contribute to crop production science in Africa

Asai Hidetoshi

Abstracts of Meeting of the CSSJ, 235 480-480, 2013
Factors affecting variation in farm yields of rice in the Sub-Saharan Africa

Tsujimoto Yasuhiro, Saito Kazuki, Muranaka Satoru, Asai Hidetoshi

Abstracts of Meeting of the CSSJ, 235 4-4, 2013
Role of root system in biomass production of upland rice under drought condition and its functional control with fertilizer application management

ASAI Hidetoshi, MAKIHARA Daigo, ASANUMA Shuichi, ONYANGO John C., YAMAUCHI Akira

日本作物學會紀事, 81 72-73, Sep 9, 2012
Undestructive quantification of root system development in NERICA varieties under different intensities of water deficit by using minirhizotron root scanner

MENGE Daniel M., MAKIHARA Daigo, NAKATA KANO Mana, ASAI Hidetoshi, ASANUMA Shuichi, YAMAUCHI Akira

日本作物學會紀事, 81 242-243, Sep 9, 2012
Role of root system in biomass production of upland rice under drought condition and its functional control with fertilizer application management

Asai Hidetoshi, Makihara Daigo, Asanuma Shuichi, Onyango John C., Yamauchi Akira

Abstracts of Meeting of the CSSJ, 234 72-72, 2012
Undestructive quantification of root system development in NERICA varieties under different intensities of water deficit by using minirhizotron root scanner

Menge Daniel Makori, Makihara Daigo, Kano-Nakata Mana, Asai Hidetoshi, Asanuma Shuichi, Yamauchi Akira

Abstracts of Meeting of the CSSJ, 234 242-242, 2012
Estimation of forest biomass C removal rate via wood harvest for domestic house construction in northern Laos

Asai Hidetoshi, Kiyono Yoshiyuki, Furuya Naoyuki, Samson Benjamin, Songyikhangsuthor Khamdok, Inoue Yoshio, Homma Koki, Shiraiwa Tatsuhiko

The Japanese Forest Society Congress, 122 710-710, 2011

Books and Other Publications

アジア・アフリカの稲作: 多様な生産生態と持続的発展の道

浅井英利 (Role: Contributor, 5章ケニアの稲作 -天水畑イナ作の可能性)

農文京, Jun, 2015

Research Projects

Study of flavonoid biosynthesis regulation mechanism in black rice under abiotic stress conditions

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
クロロフィル蛍光の定量的評価にもとづく黒米「H50」のストレス耐性の解明

科学研究費助成事業基盤研究(C), 基盤研究(C), 日本学術振興会, Apr, 2022 - Mar, 2025

浅井英利
Image analysis of rice grain quality in Lao PDR and the present condition of market value: From self-sufficiency to market

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2022

Profile Information

Research Interests

Research Areas

Education

Awards

Papers

Misc.

Books and Other Publications

Research Projects

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