Last update: December 7, 2025
News
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New PD has arrived (Ms. Hiyori Namie)
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The laboratory structure for the 2025 academic year is as follows:
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The team includes a Professor, an Associate Professor, an Assistant, and a specially appointed Associate Professor. There is also one postdoctoral researcher (PD).
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As for graduate students, there are 3 doctoral course (DC) students, 6 second-year master’s course (MC2) students, 5 first-year master’s course (MC1) students, and 4 fourth-year undergraduate students.
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In addition, there are 3 research assistants and 1 administrative assistant.
Lab's Instagram
Member photo (2024)
Upcoming international presentations
Introduction of our lab.
Reconnecting geology and soil science for a broader one health framework: Insights from Enhanced Rock WeatheringAtsushi Nakao, Yo Toma, Shinya Iwasaki, Takuro Shinano, Sadao Eguchi, Shoichiro Hamamoto, Taku Nishimura, Junta Yanai, Rota Wagai, 23rd World Soil Science Conference, Nanjing, China, June 7-12, 2026.
Impact of soybean cultivation on basalt weathering in agricultural systemHiroshi Uchibayashi, Itsuki Ogawa, Yilin Yang, Kohei Kurokawa, Hayato Maruyama, Toshihiro Watanabe, Shoichiro Hamamoto, Yo Toma, Atsushi Nakao, Takuro Shinano, 23rd World Soil Science Conference, Nanjing, China, June 7-12, 2026.
The effects of basalt application on the growth of maize and carbon sequestration in the soilItsuki Ogawa, Gen Kosaka, Yilin Yang, Hiroshi Uchibayashi, Hayato Maruyama, Toshihiro Watanabe, Yo Toma, Takuro Shinano, 23rd World Soil Science Conference, Nanjing, China, June 7-12, 2026.
Scale-dependent limitation of the Mehlich-3 method for evaluating soil phosphorus across heterogeneous paddy soils in JapanMiku Ikeda, Atsushi Nakao, Takuro Shinano, Shigeto Fujimura, and Junta Yanai, 23rd World Soil Science Conference, Nanjing, China, June 7-12, 2026.
International presentations
Predicting soil Radiocaesium Uptake and Dynamics using Mid-Infrared Spectroscopy(MIRS)Jumpei Iwai, Gerd Dercon, Magdeline Vlasimsky, Franck Albinet, Hayato Maruyama, Takuro Shinano, EGU, May 3-6, Vienna
Microbiome-Metabolome Network Analysis Unveils Strain-Specific Phosphorus Acquisition Strategies in Wheat HolobiontsHayato Maruyama, Tomoha Imai, Yushiro Fuji, Yasunori Ichihashi, Toshihiro Watanabe, Takuro Shinano, Rhizosphere 6, June 15-19, Edinburgh
The Role of Carbon in the RhizosphereTakuro Shinano24th Latin American Congress of Soil Science, June 24-27, Sant Cruz
Nodules influence soil-to-legume transfer of cesium
Kazuki Murashima, Nao Okuma, Hayato Maruyama, Toshihiro Watanabe, Takuro Shinano
IPNC, July 22-25, Porto
Crosstalk between Sulfur and Phosphorus Deficiency Responses in Rice
Ikue Yamada, Hayato Maruyama, Toshihiro Watanabe, Takuro Shinano
IPNC, July 22-25, Porto
Recent publications (2025)
-find details and other publications in Performance
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Cesium accumulation in nodules is involved in mitigating cesium transfer to shoot, Kazuki Murashima, Naoto Nihei, Nao Okuma, Hayato Maruyama, Toshihiro Watanabe and Takuro Shinano, Scientific Reports (accepted for publication)
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Controlled decay of citric acid cross-linked paper pots for sustainable agriculture. Nakagawa, T., Sasaki, S., Otake, M., Watanabe, T. 2025. Soil Science and Plant Nutrition, 71 (6), 800-807. https://doi.org/10.1080/00380768.2025.2534641
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Soil K-bearing minerals respond differently to various potassium extraction methods targeting phytoavailability. Kurokawa, K., Nakao, A., Suzuki, A., Wakabayashi, S., Fujimura, S., Eguchi, T., Shinano, T., Yanai, J. Soil Science Society of America Journal 2025;89:e70160. https://doi.org/10.1002/saj2.70160
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Genome-wide identification of genes associated with enhanced carbon secretion in cluster roots of Lupinus albus L. Hanashiro, K; Nishida, S; Enomoto, T; Yin, Y-G; Suzui, N; Miyoshi, Y; Noda, Y; Enomoto, K; Kawachi, N; Unno, Y; Maruyama, H; Maruo, A; Kan, A; Shinano, T; Wasaki, J. Plant and Cell Physiology. pcaf127, https://doi.org/10.1093/pcp/pcaf127
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Soil Physical Properties and Soil CO2 Dynamics at Soybean Field under Basalt Powder ApplicationZHU, YAN; Tatsuno, T; Yang, Y; Uchibayashi, H; Toma, Y; Shinano, T; Maruyama, H; Kashiwagi, J; Nakao, A; Nishimura, T; Hamamoto, S. Soil Science Society of American Journal DOI:10.1002/saj2.70136
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Factors responsible for radiocesium transfer from soil to rice and soybeans after the Fukushima Daiichi Nuclear Power Plant Accident. Shigeto Fujimura, Kohji Yamamura, Junko Ishikawa, Katashi Kubo, Shokichi Wakabayashi, Takuro Shinano, Hayato Maruyama, Masataka Suzuki, STOTEN 2025, 995, 180044
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Multiple inter-tillage weeding effect on methane and nitrous oxide emissions pathways from rice paddy fields in Hokkaido, Japan. Hiyori Namie, Kasane Shimada, Shuangshuang Zhao, Yo Toma, Munehide Ishiguro & Ryusuke Hatano https://doi.org/10.1080/00380768.2025.2457654
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Cohort Study reveals the Effects of Various Sustainable Agriculture Methods in Mandarin Orange Orchards in Japan. Fujiwara, F., Okano, Y., Takata, D., Maruyama, H., Arakawa, R., Kobayashi, N., Kumaishi, K., Narukawa, M., Nose, Y., Isawa, T., Shinano, T., Miyazawa, K., Nihei, H., Ichihashi, Y.
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Can we use the addition of stable 133Cs to evaluate the uptake risk of the radioequivalent 137Cs by crops? Eguchi, T., Shinano, T., et al. STOTEN Click どんな論文→クリック
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Effect of different light conditions on the growth response of sugar beet to NaCl. Obama, R., Kumagai, K., Maruyama, H., Shinano, T. and Watanabe, T.Soil Science and Plant Nutrition, 71(2)113-121. https://www.tandfonline.com/doi/epdf/10.1080/00380768.2024.2422097?needAccess=true どんな内容→クリック
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Enhanced CO2 removal and improved carbon budget by enhanced rock weathering: A field experiment in Hokkaido, Japan. Yang, Y., Kosaka, G.,Uchibayashi, H., Zhu, Y., Kuramochi, K., Shinano, T., Watanabe, T., Maruyama, H., Hamamoto, S., Nakao, A. and Toma, Y. Nutrient Cycling in Agroecosystems, 2025. https://doi.org/10.1007/s10705-025-10414-8
Laboratory introduction Click to open File (in Japanese)
Contact
Laboratory of Plant Nutrition,
Research Faculty of Agriculture, Hokkaido University
N9 W9, Kitaku, Sapporo, Hokkaido, Japan 060-8589
Located in south wing of Faculty of Agriculture
Prof. Takuro Shinano
(S280: TEL +81-11-706-4170)
Assoc. Prof. Toshihiro Watanabe
(S277: TEL +81-11-706-2498)
Assist. Prof. Hayato Maruyama
(S228: TEL +81-11-706-3845)
Student room
(S227 : TEL +81-11-706-3845)
Who want to study in our lab
We welcome you to participate in our lab.
BS, MS, PhD are welcome.
We also accept laboratory guidance.
If you have any interest, please contact one of the staff member by e-mail（Member）.