Islam, MA, Mamun, SA, Nakagawa, K, Asakura, H. Application of Biochar and Plastic Char to Increase Agricultural Soil Fertility and Evaluation of Plant (Spinach) Growth. Journal of JSCE. 2025. 12. 2
Shah, SSH, Nakagawa, K, Asakura, H, Berndtsson, R. Evaluation of Heavy Metals (Cu, Zn, Pb) Uptake in Carrot and Associated Health Risk. Journal of JSCE. 2025. 12. 2
Syed Shabbar Hussain Shah, Kei Nakagawa, Riei Yokoyama, Ronny Berndtsson. Efficacy of Ca-modified cypress biochar in immobilization of heavy metals in contaminated soils. Journal of Environmental Chemical Engineering. 2024. 114507-114507
Time series analysis to estimate soil water content: a case study in Shimabara, Nagasaki, Japan
(2024 9th Asia Conference on Environment and Sustainable Development 2024)
Modelling Groundwater dynamics using transfer function method - case studies in Japan and New Zealand
(2024年秋季講演会 2024)
Decomposition analysis of nitrogen supply in the Kumamoto region in Japan
(2024年秋季講演会 2024)
Evaluation of Heavy Metals (Cu, Zn, Pb) Uptake in Carrot and Associated Health Risk
(第32回地球環境シンポジウム 2024)
Characteristics of nitrate, heavy metal, and sterols contents in rural soils in the groundwater nitrate contaminated area
(IAH 2024 World Groundwater Congress 2024)
2024/11 - 長崎大学 インパクト論文賞 「Coprostanol adsorption behavior in agricultural soil, riverbed sediment, and sand」
2023/11 - 長崎大学 インパクト論文賞 「Effects of the Japanese Nitrate Directive Plan (NDP) to curb groundwater nitrate-nitrogen content in the Miyakonojo River basin」
2022/11 - 長崎大学 インパクト論文賞 「Distribution of heavy metals and related health risks through soil ingestion in rural areas of western Japan」