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Kato Lab
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The lab studies tropical agriculture and food production in the field, with a focus on rice.

AboutAbout the lab
A lab for crop production and tropical agriculture
The Kato Lab (International Plant Resource Science Lab) studies plant resource biology as field agronomy for food production.
Its work covers new crop species and varieties, cultivation methods, and ways to harmonize agriculture with the environment and biodiversity.
The lab is located on the main campus in Yayoi and conducts crop experiments in the fields of the Institute for Sustainable Agro-ecosystem Services (the university farm).
The lab also actively carries out on-site research in tropical regions and developing countries.
Key terms
- direct seeding
- A rice-growing method in which seeds are sown directly into the paddy field without transplanting seedlings. It saves the labor of raising seedlings.
- biodiversity
- The richness of the kinds of living things in a place, including the connections among crops, weeds, and surrounding organisms.
- agrivoltaics
- A system in which crops are grown on farmland while solar panels installed above them also generate electricity.
ResearchResearch themes
Aiming to solve food problems and reduce poverty in tropical developing countries, the lab studies crop cultivation, with a focus on rice production. It places equal emphasis on analyzing crop growth in experimental fields and on fieldwork (surveys of actual conditions) on site.
*Illustrative imageCultivation technologies adapted to climate change
The lab works to raise rice productivity in areas prone to drought and flooding. It explores improvements in cultivation technology through both crop growth analysis and surveys of actual conditions.
*Illustrative imageSustainable management of rice agroecosystems
The lab studies cultivation management that harmonizes food production with biodiversity in rice farming in tropical Asia and Japan. It also works on agrivoltaic paddy fields, which combine rice cultivation with solar power generation.
*Illustrative imageRice traits suited to direct seeding
To stabilize yields in direct-seeded cultivation, seedling establishment, competition with weeds, and lodging resistance are all important. The lab centers on field trials, and also conducts model analysis and surveys of farmers' paddy fields.
MembersFaculty
The members of the Kato Lab (International Plant Resource Science Lab) consist of faculty, collaborating faculty, doctoral, master's, and undergraduate students, researchers, and assistants.As of 2026
- ProfessorYoichiro KatoPublications ↗
- Assistant ProfessorYuji Yamazaki
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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: “Rice fields bohol philippines 2017” Øyvind Holmstad / CC BY-SA 4.0 (cropped)
- Cultivation technologies adapted to climate change: “Parched rice field Can Tho” Dragfyre / CC BY-SA 3.0 (cropped)
- Sustainable management of rice agroecosystems: “Agrivoltaics pilot plant at Heggelbach Farm in Germany 5” Tobi Kellner / CC BY-SA 4.0 (cropped)
- Rice traits suited to direct seeding: “Germinated rice for hand broadcasting Cambodia ( )” Department of Foreign Affairs and Trade / CC BY 2.0 (cropped)
- Related lab (International Plant Resource Science Lab (Miyazawa Lab)): “Organic-vegetable-cultivation” Hajhouse / Public domain (cropped)
- Related lab (International Information Agriculture Lab (Araki Lab)): “Javanese market place” Alex Lapuerta / CC BY 2.0 (cropped)
- Related lab (International Fisheries Development Lab): “DFC 2234 Colorful fishing boats bob in a calm harbor under a cloudy sky their flags and tarps fluttering in the breeze” PattayaPatrol / CC BY-SA 4.0 (cropped)
- Related lab (International Environmental Economics Lab): “Crops Kansas AST 20010624” NASA / Public domain (cropped)
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