Future farming: Japanese innovation powers edamame production in urban spaces
The system offers scalable and climate-independent solutions for urban agriculture and long-term applications in space missions.
By Insha Naureen
Food Ingredients
Nov 12, 2025
Excerpt:
Researchers in Japan have developed a hydroponic cultivation system utilizing LED lighting to produce fresh, high-quality edamame throughout the year. The “artificial light-type plant factory” grows the legume in urban buildings, deserts, and even outer space — a step toward a future where sustainable agriculture is “no longer bound by season or geography.”
Artificial light-type plant factories allow producers to grow crops year-round by adjusting factors such as light, temperature, humidity, carbon dioxide concentration, and nutrient delivery. This leads to stable yields “independent of climate conditions,” explain the scientists at Hosei University and the University of Tokyo, who conducted the study.
The study builds on the team’s previous work cultivating tomatoes under LED lighting in a plant factory, prompting focus on edamame, a high-protein legume consumed globally.
They utilized the nutrient film technique (NFT) for edamame yields that surpassed those of open-field cultivation, primarily due to the production of more pods and seeds.
“Recent global warming and extreme weather events have raised concerns about reduced yields in open-field crop production. Our hydroponics technology offers a promising model for urban agriculture independent of climate conditions,” says Professor Toshio Sano from the Faculty of Bioscience and Applied Chemistry at Hosei University.
Read the complete article here.
Source: https://cityfarmer.info/future-farming-japanese-innovation-powers-edamame-production-in-urban-spaces/
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