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Soil Science Lab
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A lab that studies soil as a basis for food production, element cycling, and habitat for living organisms.

AboutAbout the lab
Soil is the foundation of biological production and life.
The Soil Science Lab studies soil from three perspectives: as the foundation of food production, as a sink and source of elements, and as a habitat for living organisms.
Most of the food people eat is produced through soil, and soil is also the environment in which more than half of the organisms on Earth live.
The lab's work ranges from practical field research to experiments that combine the latest analytical techniques.
The lab takes a broad view in tackling problems through soil, with the aim of building sustainable agricultural systems that can respond to environmental change.
Key terms
- Sink and source
- A place that takes in and stores an element is called a sink, and a place that releases it is called a source. Soil can be both.
- Habitat
- The environment in which organisms live. Soil serves as a home for many organisms.
- Kuroboku soil (Andosol)
- A jet-black soil widely distributed in the Tohoku region. It is rich in carbon and adsorbs phosphate.
NewsLab news
A paper was published on how prokaryotes and fungi in Zambian soils respond to forest conversion
Assistant Professor Tesfau and colleagues received a poster award at the 23rd World Congress of Soil Science (23WCSS)
A doctoral student published a paper on phosphorus fertilization and the carbon use efficiency of soil microbes
A doctoral student published a paper on glucose mineralization by individual microbial groups in artificial soil
A master's student received the Outstanding Young Researcher Oral Presentation Award at the Japanese Society of Soil Science and Plant Nutrition meeting
ResearchResearch themes
Starting from an understanding of soil properties and formation processes, the lab investigates soil in terms of food production, element cycling, and habitat for living organisms. Its topics include trace elements in soil, arsenic and cadmium in brown rice, soil microbial diversity, and regenerative agriculture.
View More ↗MembersFaculty
The members of the Soil Science Lab consist of faculty, technical assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTomoyuki Makino
- Assistant ProfessorToru Hamamoto
- Assistant ProfessorTesfau Bekele Adhena
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Soybean Field with Healthy Soil ( )” USDA NRCS South Dakota / Public domain (cropped)
- Understanding soil properties and formation processes: “ISRIC monolith ID-029” Kauffman, JH & Soedewo / CC BY-SA 3.0 (cropped)
- Related lab (栽培植物環境科学): “Tortuous dirt road in wet paddy fields and green hills in Vang Vieng, Laos” Basile Morin / CC BY-SA 4.0 (cropped)
- Related lab (森林生態学): “Boxwood and beech relict forest canopy, Epiphytes, Mezmay, Russia” Vyacheslav Argenberg / CC BY 4.0 (cropped)
- Related lab (生物海洋学): “Deployment of oceanographic research vessels” NASA / Public domain (cropped)
- Related lab (水圏植物生態学): “Dense kep forest with understorey P9041201” Peter Southwood / CC BY-SA 3.0 (cropped)
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