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Soil Conservation Lab
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A lab that protects farmland and the environment by studying the movement of water and substances in soil from a physics perspective.

AboutAbout the lab
Studying and conserving the soil that nurtures life on Earth.
The Soil Conservation Lab examines soil from the perspective of physics and studies how to keep the soil of farmland and the environment in good condition.
Crops absorb all elements from the soil except carbon, which they take in from the air, and human life and health are also supported by good soil.
The lab works on creating soil environments where crops grow well, and on measures to protect soil, water, and atmospheric environments.
Key terms
- Colloid
- Extremely small particles, from nanometers to micrometers in size. In soil, they can also carry pollutants.
- Soil physical properties
- The physical characteristics of soil, such as how well it retains water, how well it drains, and how many pores it has.
- Material cycling
- The movement of substances such as carbon and nitrogen as they pass among soil, organisms, water, and the atmosphere.
NewsLab news
A paper by Assistant Professor Tatsuno and colleagues was published in Journal of Radioanalytical and Nuclear Chemistry
A paper by Professor Hamamoto and colleagues was published in Geoderma
A paper by Professor Hamamoto and colleagues was published in SOIL SCIENCE SOCIETY OF AMERICA JOURNAL
A paper by Professor Hamamoto and colleagues was published in Paddy and Water Environment
Assistant Professor Tatsuno received the Sumitomo Foundation Environmental Research Grant (Excellent Research) from the Sumitomo Foundation
ResearchResearch themes
To keep the cycles surrounding soil healthy, the lab examines soil from the perspective of physics. It studies the conservation and improvement of farmland soil where crops grow well, as well as environmental measures for soil, water, and the atmosphere.
*Illustrative imageThe Science of Soil
The lab explores the phenomena and material properties in soil, which consists of inorganic and organic matter, small animals, microorganisms, water, and air, from perspectives such as soil physics and colloid science.
*Illustrative imageConservation and Improvement of Farmland Soil
From the perspectives of crop growth and quality, soil physical properties, material cycling, and water cycling, the lab builds up measurements in farmland to clarify technical measures for conserving and improving sustainable farmland soil.
*Illustrative imageEnvironmental Measures for Soil, Water, and the Atmosphere
The lab considers the results of field surveys and experiments theoretically to clarify how pollutants move and accumulate in soil, and examines measures for remediation and pollution prevention.
MembersFaculty
The members of the Soil Conservation Lab consist of faculty, researchers (postdocs), and doctoral, master's, and undergraduate students.As of 2025
- ProfessorShoichiro Hamamoto
- LecturerJunichi Kashiwagi
- Assistant ProfessorTakahiro Tatsuno
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: “Soil Profile Containing an Argillic Horizon” Cjrufe / CC0 (cropped)
- The Science of Soil: “Douglas County, SD, Soil Structure on April 27, )” USDA NRCS South Dakota / Public domain (cropped)
- Conservation and Improvement of Farmland Soil: “CSIRO ScienceImage 4474 Tile drainage installation machine on farm in Griffith NSW Machine is installing clay tile drainage pipes in area planted with young grapevines Mature vines in background” Willem van Aken, CSIRO / CC BY 3.0 (cropped)
- Environmental Measures for Soil, Water, and the Atmosphere: “Erosion Abschwemmung” TILMAN KLUGE / CC BY-SA 3.0 (cropped)
- Related lab (Ecological Environmental Physics Lab): “Kushiro Marsh, Shibecha” Kzaral / CC BY 2.0 (cropped)
- Related lab (Agricultural Engineering Lab): “Rural seanery of Ogata Villaege 20200906” 掬茶 / CC BY-SA 4.0 (cropped)
- Related lab (Vehicle Robotics Lab): “Agricultural drone spraying on paddy field” Shreesha Sharma / CC BY-SA 4.0 (cropped)
- Related lab (Food Process Engineering Lab): “Fresh Vegetables display in Iloilo Terminal Public Market 01” OnlyJanz / CC BY-SA 4.0 (cropped)
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