2016 - 2019 Evaluation of cultivation sustainability of cash crops in Sainyabouli Province, Laos
2016 - 2019 Effects of water sprinkling and foliar application with glucose on yield and grain quality of rice under high temperature condition
2016 - 2019 Sustainable management of urban lake in Jakarta and It's evaluation method by establishing environmental community
2015 - 2018 Estimation of Agricultural Damage Function under Extreme Climate Condition in Central Indochina Peninsula
2011 - 2016 Development of comparison and standardization technique in SRI cultivation in Southeast Asia from the viewpoint of Agricultural Engineering
2012 - 2015 Study on compensation mechanism for water saving in Citarum River Basin, Indonesia
2012 - 2015 Inverse estimation of irrigation and nitrogen input by using plant growth model considering soil water and nitrogen formation
2011 - 2013 気候変動に配慮したアジア環境先進型流域圏の構築と普及
2009 - 2011 The study on rice yield prediction through the scale-up approach using satellite data
2009 - 2011 Study on the technological development of the flood mitigation
2009 - 2011 Quantitative Economic Analysis on Food Price Increase and LDC's correspondences
2009 - 2011 バイオ燃料農業生産を基盤とした持続型地域社会モデルに関する研究
2009 - 2010 Study on inverse estimation of irrigation water supply by using plant growth and ground water combined model
2007 - 2009 Common principles of Farmers' Participation in Irrigation Management in Japan and Asian Countries
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Papers (87)：
Debanjali Saha, Kazuo Oki, Koshi Yoshida, Naota Hanasaki, Hideaki Kamiya. Impact of Paddy Field Reservoirs on Flood Management in a Large River Basin of Japan. Sustainability. 2023. 15. 8. 6604
Yi Yang, Rongling Ye, Mallika Srisutham, Thanyaluck Nontasri, Supranee Sritumboon, Masayasu Maki, Koshi Yoshida, Kazuo Oki, Koki Homma. Rice Production in Farmer Fields in Soil Salinity Classified Areas in Khon Kaen, Northeast Thailand. Sustainability. 2022. 14. 16. 9873-9873
Koshi Yoshida, Issaku Azechi, Toshiaki Iida. Impact Analysis of Population Growth and Fertilizer Use on Nitrogen Runoff in Nam Ngum Basin, Laos. International Journal of Environmental and Rural Development. 2022. 13. 1. 176-183
Miki Nodera, Muhamad Khoiru Zaki, Mallika Srisutham, Koshi Yoshida, Keigo Noda. Farmers’ perception and objective validation of the impact of climate change on farming activities in Northeast Thailand. IOP Conference Series: Earth and Environmental Science. 2022. 1016. 1. 012041-012041
Maki Masayasu, Sritumboon Supranee, Srisutham Mallika, Yoshida Koshi, Homma Koki, Sukchan Somsak. Impact of changes in the relationship between salinity and soil moisture on remote sensing data usage in northeast Thailand. Hydrological Research Letters. 2022. 16. 2. 54-58
Saito Daiki, Srisutham Mallika, Honma Koki, Maki Masayasu, Yoshida Koshi, Oki Kazuo, Tebakari Taichi, Fujisao Kazuhiko, Khanthavong Panthasin, Sritumboon Supranee. Utilization of UAV in field research in developing countries:1. Evaluation of LAI in Thailand and Laos in 2016. Abstracts of Meeting of the CSSJ. 2016. 243. 0
Tanaka, K, Yoshida, K, Maeda, S, Kuroda, H. Modeling of rice harvested area and its impact on rice yield and production in Mekong river basin. E-proceedings of PAWEES-INWEPF joint international conference 2015. 2015. PIJIC2015_29.pdf
Kuroda, H, Lin, X, Maeda, S, Yoshida, K. Study on the water resources recharge of the deterioration of water source for irrigation in traditional paddy field area. E-proceedings of PAWEES-INWEPF joint international conference 2015. 2015. PIJIC2015_12.pdf
