The centrepiece of the new facility is a fully-controlled growth environment that brings together the latest technologies and innovations in smart farming and plant science. Rather than depending on favourable weather, fertile soil, abundant water or high running costs, the centre allows scientists to assess how nutritious and fast-growing fresh food can be produced independently of these traditional constraints. Customised combinations of LED lighting and nutrients create optimum growth conditions tailored to the needs of a wide range of crops, from microgreens to larger leafy greens and fruiting plants. This level of environmental control means that experiments which would take an entire growing season in the field can be run, adjusted and repeated far more rapidly under laboratory conditions.

The facility incorporates both hydroponic and aeroponic growing systems, two soilless cultivation methods that sit at the heart of modern controlled environment agriculture. In these systems, different recipes of nutrient-rich solutions are delivered directly to plant roots, which in the aeroponic configuration are suspended mid-air. By decoupling plant growth from soil quality entirely, researchers can isolate the effects of individual nutrients, light spectra, humidity levels and temperature regimes with a precision that open-field agriculture simply cannot offer. The result is a platform capable of generating highly reproducible data on how specific crops respond to specific inputs, knowledge that can then be translated into commercial growing practices.

Artificial intelligence plays a central role in the centre’s research strategy. Environmental and growth data collected continuously from the growing spaces will be processed by AI systems designed to extract the key features driving individual crop performance. This goes beyond simple monitoring: the goal is to build a deeper understanding of the specific requirements of particular plants and crops, allowing researchers to identify the combinations of conditions that maximise yield, nutritional quality and resource efficiency. As machine learning models accumulate data across experiments, they are expected to reveal patterns and relationships in plant behaviour that would be difficult or impossible for human observers to detect.

Beyond the three large growing spaces and individual environmental chambers built for contained experiments, the facility includes a dedicated biochemical analysis suite for molecular plant science. This analysis area enables researchers to understand crop variations at molecular detail, linking what happens inside the plant at the biochemical level to the growth outcomes observed in the growing rooms. Molecular profiling technology supplied by Waters Corporation provides a range of equipment supporting various discovery and targeted quantitation analysis workflows, allowing the team to move seamlessly between observing a phenotype and probing its underlying molecular mechanisms.

Complementing the molecular work, advanced imaging techniques will allow researchers to measure and monitor plant morphology, growth rates and health metrics under varying environmental conditions. Non-destructive imaging means that the same plant can be tracked throughout its life cycle, generating time-series data on how it responds to changes in light, nutrition or climate. Combined with the molecular profiling capability, this creates a powerful multi-scale picture of plant performance, from genome-informed biochemistry up to whole-plant architecture, all captured under tightly defined experimental conditions.

The facility is led from Nottingham Trent University’s School of Animal, Rural and Environmental Sciences and is designed to support a diverse portfolio of interdisciplinary research projects. Its remit extends beyond academic inquiry: the centre is intended to help drive commercial research and partnerships across the agri-tech sector, providing companies with a testbed for developing and validating new products and processes. The £1.5 million facility was made possible through a capital funding grant from the Office for Students, a signal of the growing recognition that controlled environment agriculture has a strategic role to play in the nation’s research infrastructure.

University leadership has been explicit about the strategic ambitions behind the investment. Professor Andy Gill, Associate Dean for Research in the School of Animal, Rural and Environmental Sciences, said the facility will enable NTU to consolidate its position as a national centre of excellence in controlled environment agriculture. He noted that it will address key questions and challenges around global food security and climate resilience while helping the university expand its research into crop optimisation, plant physiology and agri-tech innovation, and that it will also serve as an important platform for industry collaboration and student engagement.

Professor Richard Emes, Pro Vice-Chancellor Research and International at the university, described the funding as further recognition of the expertise and exceptional collaborative research happening at NTU. He emphasised that the facilities will accelerate discovery and serve as a testbed for the university and industrial partners to work together and develop solutions that improve food production and security. UK company Light Science Technologies was awarded the contract for the design, supply, installation and commissioning of the facility, along with continued maintenance, underscoring the close relationship between the academic centre and the commercial technology providers shaping the sector.

The centre will also play a direct role in educating the next generation of agricultural scientists, supporting the teaching and delivery of the university’s postgraduate course in smart agriculture. Students will gain hands-on experience with the same hydroponic, aeroponic, imaging, molecular and AI-driven systems being used in active research programmes, a combination that reflects how modern agriculture increasingly blends plant science, engineering and data analytics. Industry partners interested in learning more about the facilities and exploring collaboration opportunities have been invited to contact the research team directly. As pressures on the global food system intensify, facilities of this kind offer a glimpse of how agriculture may evolve: data-rich, resource-efficient and increasingly independent of the weather outside.

Subject of Research: Smart agriculture and controlled environment agriculture for sustainable food production and food security

Article Title: Smart agriculture research center seeks to address food security challenges

Article References: Smart agriculture research center seeks to address food security challenges. (n.d.). Original publication

Image Credits: AI Generated

DOI: Not provided

Keywords: smart agriculture, food security, controlled environment agriculture, hydroponics, aeroponics, artificial intelligence, LED lighting, plant science, molecular profiling, sustainable food production, agri-tech, Nottingham Trent University

Tomatoes serve as a staple in diets worldwide, valued for their rich nutrient content and culinary versatility. However, their growth is typically reliant on abundant sunlight and ample water, resources not consistently available across all geographies. Climate change and escalating environmental instability further exacerbate challenges for tomato cultivation. Conventional greenhouses offer some respite by creating controlled microclimates, yet they still depend heavily on natural sunlight. Regions with limited daylight or harsh weather conditions, such as northern countries, find this approach inadequate, often resulting in higher costs and lower yields.

Pushed by these limitations, the concept of artificial light plant factories (ALPFs) had previously been proposed. These factories exploit artificial lighting and environmental control to optimize plant growth year-round. While successful for leafy greens and other low-light crops, extending this technology to fruit-bearing plants like tomatoes has long been a scientific hurdle. The intense light spectrum and duration necessary for fruit development require innovative solutions to avoid prohibitive energy consumption.

The University of Tokyo’s team, led by Associate Professor Wataru Yamori, approached this challenge by fine-tuning the light environment, integrating high-efficiency LEDs designed specifically for different tomato varieties. Unlike traditional approaches that illuminate plants solely from above, their methodology employed a multidirectional lighting system, particularly for cherry tomatoes, allowing an S-shaped growth pattern to maximize light interception and photosynthetic efficiency. This novel growth architecture is pivotal, as it enhances light utilization without increasing the overall energy input.

Over a year-long experimental study, the team monitored the growth, yield, and quality parameters of both large-fruited and cherry tomato plants within these enclosed LED-illuminated environments. The large-fruited tomatoes, lit from above, produced respectable yields with elevated vitamin C content but fell slightly short of matching greenhouse-grown specimens in both size and sugar concentration. Conversely, cherry tomatoes grown using the S-shaped configuration and illuminated from multiple angles not only met but surpassed greenhouse benchmarks, delivering higher quality fruit more rapidly, thereby increasing overall productivity.

This success is not merely a triumph of lighting technology but of comprehensive environmental regulation. The researchers meticulously optimized temperature, humidity, nutrient delivery, and photoperiod to sustain tomato metabolism and fruiting cycles. Achieving a harmonious balance among these factors underscored the complexity of replicating natural outdoor conditions within an artificial setting, particularly for crops with long growth periods and precise energy demands.

Beyond the immediate implications for food production, the study highlights the resilience of plant factories to climate extremes threatening traditional agriculture. The insulation from droughts, floods, and erratic weather confers a strategic advantage for global food security, especially as population growth and environmental challenges mount. Moreover, the potential to situate these factories in urban centers fosters the paradigm of “local production for local consumption,” dramatically reducing transportation emissions and ensuring fresher produce for consumers.

The research team envisions a future where vertical farms embedded within skyscrapers could produce substantial quantities of nutrient-rich tomatoes, transforming urban landscapes into thriving agricultural hubs. This vertical integration could revolutionize food supply chains, especially in cities where land and sunlight are scarce commodities. Additionally, the potential applications extend beyond Earth, with the team contemplating plant factories on the Moon or Mars as part of extraterrestrial colonization efforts, where closed-loop, energy-efficient systems are indispensable.

Despite the promise, the researchers acknowledge that the current costs of such technology remain a barrier to widespread adoption. Energy consumption, infrastructure investment, and operational complexity necessitate continued technological refinement and integration with renewable energy sources. However, trends toward cheaper LEDs, improved automation, and scalable designs suggest that affordability and efficiency will improve substantially in the coming decade.

This study not only expands the boundaries of what is possible with artificial lighting in agriculture but also challenges long-held assumptions about crop viability under LEDs. Historically, LEDs have been relegated to supporting leafy vegetables and microgreens with short growth cycles. Demonstrating their utility in fruiting crops with longer cultivation periods, this research opens new avenues for plant factories to diversify production portfolios significantly.

Furthermore, the stability and consistency of LED-grown tomatoes present a compelling advantage. Unlike greenhouse tomatoes prone to seasonal and environmental variability, LED-facilitated growth ensures uniform quality and nutrient profiles year-round, a critical factor in meeting global health and nutrition goals. The improved vitamin content observed suggests that these controlled environments can be tailored not only for yield but also for enhancing the nutritional value of produce.

The integration of sophisticated growth patterns, such as the S-shaped model employed for cherry tomatoes, illustrates how plant morphology can be manipulated advantageously within constrained spaces. This approach maximizes photosynthetic efficiency and space utilization, which are pivotal metrics in vertical farming where volume and footprint dictate profitability. It also offers a new lens through which to design crop architectures optimized for indoor farming environments.

Looking ahead, the University of Tokyo researchers remain committed to pushing the envelope. The next steps involve scaling these findings, refining the balance of spectral light quality, intensity, and duration, and exploring automation to reduce manual intervention. Collaboration with energy specialists aims to couple plant factories with renewable energy grids, further reducing carbon footprints and enabling sustainable, economically viable indoor agriculture.

In summary, this research marks a seminal development in the quest to sustainably feed a growing global population amid environmental uncertainties. By harnessing LED lighting innovations and unconventional cultivation strategies, the study convincingly demonstrates that large-fruited and cherry tomatoes — emblematic, challenging crops — can flourish within fully enclosed plant factories. This heralds an era where urban and even extraterrestrial farming transcends concept to tangible reality, promising fresh, nutritious produce anytime, anywhere.

Subject of Research: Not specified in detail (focused on tomato cultivation under LED lighting in controlled environments).

Article Title: Harnessing LED Technology for Consistent and Nutritious Production of Large-fruited Tomatoes

News Publication Date: 19-Sep-2025

Web References:
http://dx.doi.org/10.21273/HORTSCI18868-25

References:
Ningzhi Qiu, Hao Shen, Dan Ishizuka, Keisuke Yatsuda, Saneyuki Kawabata, Yuchen Qu, Wataru Yamori, “Harnessing LED Technology for Consistent and Nutritious Production of Large-fruited Tomatoes,” HortScience.

Hanaka Furuta, Yuchen Qu, Dan Ishizuka, Saneyuki Kawabata, Toshio Sano, Wataru Yamori, “A Novel Multilayer Cultivation Strategy Improves Light Utilization and Fruit Quality in Plant Factories for Tomato Production,” Frontiers in Horticulture.

Tomoki Takano, Yu Wakabayashi, Soshi Wada, Toshio Sano, Saneyuki Kawabata, Wataru Yamori, “Sustainable Edamame Production in an Artificial Light Plant Factory with Improved Yield and Quality,” Scientific Reports.

Image Credits: ©2025 Yamori et al. CC-BY-ND

Keywords: LED lighting, plant factory, tomato cultivation, controlled environment agriculture, urban farming, vertical farming, climate resilience, energy-efficient agriculture, large-fruited tomatoes, cherry tomatoes, artificial light plant factory, nutrient-rich crops