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Last update: July 20, 2026

News

  • Mr. Maruyama has advanced to be Associate professor of our lab on July 1.

  • On July 1, Ms Namie moved to Soil Lab. as an assistant professor.

  • New PD has arrived (Ms. Hiyori Namie)

  • Professor Shinano starts to work at F-REI as cross appointment from April 1.

  • The laboratory structure for the 2026 academic year is as follows. The team includes a Professor, two Associate Professors, and a specially appointed Associate Professor. There is three postdoctoral researcher (PD) who belong to F-REI.

  • As for graduate students, there are 1 doctoral course (DC) student, 5 second-year master’s course (MC2) students, 3 first-year master’s course (MC1) students, and 5 fourth-year undergraduate students.

  • In addition, there are 3 research assistants and 3 administrative assistants.

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Upcoming international presentations

International presentations

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.

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Lab's Instagram

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Member photo (2025)

Member photo (2024)

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Introduction of our lab.

Recent publications (2025) 
-find details and other publications in Performance

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  1. Manganese Hyperaccumulation in the Genus Ilex:
    Discovery of New Hyperaccumulator Species and Elemental Accumulation Patterns. Mizuno, T., Kuwabara, K., Takemoto, K., Kamemura, U., Yamashita, J., Murai, Y., van Der Ent, A., Hashimoto, A., Watanabe, T. Ecological Research, 2026, 41:e70041. https://doi.org/10.1111/1440-1703.70041
  2. 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 15, Article number: 44449 (2025) ​
  3. A 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. Plant Biotechnology 42(4), 459-466. ​
  4. 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
  5. 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
  6. 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
  7. Soil Physical Properties and Soil CO2 Dynamics at Soybean Field under Basalt Powder Application
    ZHU, 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​
  8. 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​ ​

  9. 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

  10. 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

  11. 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

  12. 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

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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).

© 2019, Lab. of plant nutrition, Hokkaido University. - Wix.com で作成されたホームページです。

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