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Plant Environment Engineering Lab
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The lab studies how to control the environment of greenhouses and plant factories to grow plants efficiently.

AboutAbout the lab
Creating the environment plants need to grow.
The Plant Environment Engineering Lab studies technologies that control the environment inside greenhouses and plant factories to grow plants efficiently.
The lab investigates how plants respond and grow when light, carbon dioxide, temperature, and other factors are changed.
Based on these findings, the lab aims to efficiently produce high-quality crops with enhanced functional properties.
Key terms
- Plant factory
- A facility where vegetables and other crops are grown on a planned schedule inside a building, with light, temperature, nutrients, and other conditions under control
- Environmental control
- Adjusting light, temperature, humidity, carbon dioxide, and other conditions inside a greenhouse or similar facility so that plants grow well
- Dissolved oxygen
- Oxygen dissolved in water or nutrient solution, which roots use for respiration
ResearchResearch themes
This research area actively controls the environment inside facilities such as plastic greenhouses, greenhouses, and plant factories to create growing conditions suited to plants. Using methods from environmental engineering and ecophysiology, the lab examines how plants respond to their environment and applies the results to efficient production.
*Illustrative imageLight and air around plants
The lab mainly deals with the physical and chemical environment around plants. It focuses on carbon dioxide and oxygen concentrations, light intensity and color, temperature and humidity, airflow, dissolved oxygen around the roots, and nutrient composition.
*Illustrative imageDiverse plants, from germination to harvest
The lab works with a wide range of plants depending on the production goal, including vegetables, sweet potatoes, soybeans, rice, medicinal herbs, and orchids. A distinctive feature is that it covers every growth stage, from germination to harvest.
*Illustrative imageFrom culture vessels to plant factories
The lab studies a variety of production settings: tissue culture vessels and acclimatization systems, seedling production systems, greenhouses and plastic greenhouses, and both sunlight-type and artificial-light-type plant factories.
*Illustrative imageTechnologies for large-scale greenhouses and closed systems
The lab works on environmental control technologies for large-scale greenhouses, monitoring of crop growth, closed systems specialized for seedling production, production of functional vegetables through light control, and efficient production of active ingredients from medicinal plants in plant factories.
MembersFaculty
The members of the Plant Environment Engineering Lab consist of faculty, joint researchers, research assistants, secretaries, and doctoral, master's, and undergraduate students.As of 2026
- Project ProfessorEiji Goto
- ProfessorShoko Hikosaka
- Assistant ProfessorHideo Yoshida
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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: “Small greenhouse with grapevines escaping” W.carter / CC0 (cropped)
- Light and air around plants: “Terramera scientists working in a climate-controlled growth chamber located in Vancouver, BC. The space uses LED lighting, which supports plant growth. ( )” Simon Fraser University - Communications & Marketing / CC BY 2.0 (cropped)
- Diverse plants, from germination to harvest: “Expanded polystyrene tray with tomato seedlings” Aris Papachristou / CC BY-SA 3.0 (cropped)
- From culture vessels to plant factories: “Plant Tissue Culture Lab - Atlanta Botanical Garden” Daderot / CC BY-SA 4.0 (cropped)
- Technologies for large-scale greenhouses and closed systems: “Large greenhouse, Fen Drayton - geograph.org.uk - 2827410” Hugh Venables / CC BY-SA 2.0 (cropped)
- Related lab (Plant Environmental Engineering Lab): “IFarm.fi Vertical farm Finland” ifarm.fi / CC BY-SA 4.0 (cropped)
- Related lab (Vegetable Horticulture Lab (Matsudo)): “Vegetable cultivation” Anandarup Chakraborty / CC BY-SA 4.0 (cropped)
- Related lab (Pomology Lab): “Pear Orchard at Castle Fruit Farm - geograph.org.uk - 8152442” Jonathan Billinger / CC BY-SA 2.0 (cropped)
- Related lab (Cultivation Science Lab (Nakano)): “Tomato cultivation in France (4)” Mouh2jijel / CC BY-SA 3.0 (cropped)
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