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Environmental Life Geochemistry Lab
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A lab that explores low-impact agriculture through the cycling of materials among soil, grass, and cattle.
AboutAbout the lab
Research on material cycling and the environment.
The Environmental Life Geochemistry Lab studies how materials and nutrients cycle through soil, plants, and the atmosphere.
Earth's environment is maintained by the balanced cycling of carbon, nitrogen, water, and other substances, but that balance is easily disrupted.
Working with dairy farms and dairy-intensive regions in Hokkaido, the lab is carrying out a project to devise ways of producing milk without burdening the environment.
It also researches growing perennial grains, which can be harvested for many years after a single planting, in Hokkaido.
Key terms
- Material cycling
- The movement of substances such as carbon and nitrogen among soil, organisms, the atmosphere, and water as they change form.
- Greenhouse gases
- Gases such as carbon dioxide, methane, and nitrous oxide that make it harder for the Earth's heat to escape and cause global warming.
- Perennial
- The trait of a plant that, once planted, lives for many years without dying. The counterpart of annuals, which must be replanted every year.
NewsLab news
A co-authored paper on poultry manure application and lead in soil was published in Journal of Soils and Sediments
A co-authored paper on phosphorus mineralization in tropical soils was published in Communications in Soil Science and Plant Analysis
ResearchResearch themes
Under the themes of material cycling and the environment, the lab studies how materials and nutrients circulate through soil, plants, and the atmosphere. Through projects with farmers, communities, and companies in Hokkaido, it explores what agriculture with a low environmental burden could look like.
*Illustrative imageNext-Generation Beef Production
Cattle manure and methane gas are considered a burden on the environment, but cattle can also turn things people cannot eat, such as grass, into high-quality protein. Using AI to assess grass volume and soil condition, and in association with Hokkaido University's COI-NEXT (Next-Generation Wagyu Production System), the lab is considering whether unused resources such as weedy grassland can be put to use for cattle.
*Illustrative imageNutrient Balance and Greenhouse Gases on Dairy Farms
Working with dairy farms and dairy-intensive regions in Hokkaido, the lab studies ways to balance nutrients within farms and produce milk efficiently while reducing greenhouse gas emissions.
*Illustrative imageGrowing Perennial Grains in Hokkaido
This research is on growing a perennial grain (Kernza) that can be harvested for many years after a single planting. Perennialization is said to make it possible to farm without tilling the soil, leading to carbon accumulation in the soil and reduced labor. The lab is investigating whether this can be done in Hokkaido.
MembersFaculty
The members of the Environmental Life Geochemistry Lab are faculty, and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorYoshitaka Uchida
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: “Dairy cows grazing near Trefonen - geograph.org.uk - 555401” John Haynes / CC BY-SA 2.0 (cropped)
- Next-Generation Beef Production: “Utsunomiya Cattle” Miyuki Meinaka / CC BY-SA 4.0 (cropped)
- Nutrient Balance and Greenhouse Gases on Dairy Farms: “Dairy cows grazing on Heigham Holmes - geograph.org.uk - 4596023” Evelyn Simak / CC BY-SA 2.0 (cropped)
- Growing Perennial Grains in Hokkaido: “Intermediate wheatgrass field in Estonia 2025” Maiustus / CC BY 4.0 (cropped)
- Related lab (Biochemistry Lab): “Jodprobe” Flo Sorg / Public domain (cropped)
- Related lab (Food and Nutrition Lab): “Foods with a high fibre content, such as bread, grains, chia seeds and nuts” formulatehealth / CC BY 2.0 (cropped)
- Related lab (Bioorganic Chemistry Lab): “Jasmonic acid molecule ball” Jynto (talk) / CC0 (cropped)
- Related lab (Food Function Chemistry Lab): “Intestinal villi through microscope” Jamil Baza / CC BY 4.0 (cropped)
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