2022 - 2026 Balancing conservation of biodiversity and production of high-quality rice: developing agrochemical-free, low-input practice in rice agriculture
2021 - 2026 microplastics
2021 - 2024 Developing resource-circulation rice farming using bamboo biomass in Satoyama
Yize Wang, Hiroshi Okochi, Yuto Tani, Hiroshi Hayami, Yukiya Minami, Naoya Katsumi, Masaki Takeuchi, Atsuyuki Sorimachi, Yusuke Fujii, Mizuo Kajino, et al. Airborne hydrophilic microplastics in cloud water at high altitudes and their role in cloud formation. Environmental Chemistry Letters. 2023. 21. 6. 3055-3062
Yuji Honda, Yasuhiro Saito, Naoya Katsumi, Minami Nishikawa, Hiroki Takagi. Physicochemical properties of starch in rice flour with different hardening rates of glutinous rice cake (mochi). Journal of Cereal Science. 2023. 112
Masfiro Lailati, Yichen Shang, Thien Quang Huynh, Koji Ito, Naoya Katsumi, Yumiko Mizuuchi, Masaya Ino, Tadao Takashima, Nisikawa Usio. Effects of ground bamboo application on weed suppression and rice production: a 3-year paddy field experiment. CABI Agriculture and Bioscience. 2022. 3. 1
Kojiro Shimada, Masayuki Nohchi, Koji Maeshima, Tomonori Uchino, Yusuke Kobayashi, Kazuki Ono, Hiroko Ogata, Naoya Katsumi, Koji Inazu, Hiroshi Okochi. Effects of changes in polycyclic aromatic hydrocarbons (PAHs) emissions and degradation on their concentrations in Tokyo from 2007 and 2016. Scientific Reports. 2022. 12. 1
Naoya Katsumi, Seiya Nagao, Hiroshi Okochi. Addition of polyvinyl pyrrolidone during density separation with sodium iodide solution improves recovery rate of small microplastics (20-150 μm) from soils and sediments. Chemosphere. 2022. 307. 135730-135730
大河内博, 谷悠人, 小野塚洋介, Wang Yize, 速水洋, 竹内政樹, 反町篤行, 藤井佑介, 竹中規訓, 宮崎あかね, et al. Current Status and Issues of Plastic Air Pollution. エアロゾル研究. 2023. 38. 3. 145-159