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A Whole Season of Hybrid Tomato Cultivation Den Berk Delice & Bryte Confirm: “LED Ensures Controllability”

A stronger plant, higher fruit weight, and more uniformity in growth; these are the results of a lit tomato crop when combining Philips GreenPower LED toplighting compact and HPS lighting in a hybrid lighting solution

September 9, 2020

A stronger plant, higher fruit weight, and more uniformity in growth; these are the results of a lit tomato crop when combining Philips GreenPower LED toplighting compact and HPS lighting in a hybrid lighting solution. The growers, the world-renowned tomato cultivators Bryte from the Netherlands and Den Berk Délice from Belgium share their experiences with hybrid lighting during the first cultivation season in this article. Both projects were installed at the end of 2019

Signify_Bryte 2.png

Both entrepreneurs were very positive about their experiences after a year of tomato cultivation with hybrid grow light. The combination, which resulted in a more uniform fruit and crop growth and a more controllable greenhouse climate, asks for more. Cultivation with hybrid lighting, in which LED lighting is combined with HPS lighting, however, requires a different approach than cultivation with only HPS lighting. “The big advantage of LED lighting is that there is much less radiant heat from the light, which gives us more control over the climate in the greenhouse. Since light and temperature can be controlled more independently from each other with hybrid lighting, we have to change the way we approach the climate differently and that requires a new way of thinking, where the experience of the Signify plant specialists comes in handy, ”says Zwinkels.

Heat differences in the greenhouse

Where heat is mostly the deciding factor with traditional HPS illumination - but also plays a major role as an unavoidable by-product for cultivation control - this is no longer the case with hybrid illumination. LED leads to much less excess heat in the greenhouse, which makes it possible to control light and temperature separately. It is thus easier to control the growing conditions. For example, Den Berk Délice chooses to grow generatively up to 28° C in winter and from March more vegetatively to keep a strong crop. Lucas: "We noticed that we are much more in control with LED." The cultivation experts at both companies carefully thought about how they could anticipate on the changing temperature situation in the greenhouse. Erik: "With us, the position of the growth tube could be at the expense of the fruit weight. In our case, the best solution was to introduce extra heat from the bottom of the greenhouse. We also noticed that control errors were less likely to be made due to better control over the climate and that the climate became more constant. We saw positive crop development and were satisfied with the fruit weight and the crop growth."

Illuminate longer

“A big advantage of hybrid cultivation in comparison with HPS is the possibility to light the crop for a longer period of time", said Koen. “Especially in the winter months, a high crop yield is important to us; it is a period that we want to make the most of. We have seen that with hybrid cultivation you can illuminate earlier in the fall, but also until deeper in the spring, up to thirteen or fourteen hours a day. Of course, you have to keep looking at what extra lighting brings in terms of production and costs.”

Light advice

The plant experts of Signify are experts in using LED and know better than anyone else what LED lighting means for crop growing and climate. In the past growing season, they assisted the companies with light and climate advice. Both companies now have 180 µmol/s/m2 light, distributed across 90 µmol/s/m2 LED toplighting compact and 90 µmol/s/m2 HPS lighting. The Philips GreenPower LED toplighting compact was introduced to the market during the last growing season. "Signify talks a clear language", said Erik. "They are the right discussion partner for me, who regularly visits and discusses what we encounter in practice." Koen adds: “The specialists also have a large network. Via them, I managed to get into contact with other growers who also use LED. I look forward to the annual Tomato Community Event organized by Signify, where cultivators from around the world get together. This not only gives me the opportunity to share experiences with LED lighting, but also to expand my network that I can take advantage of in the future. We always see talking to like-minded people as very valuable.”

Does LED toplighting have a future?

Firstly, LED saves up to 60% on energy costs, but there is more. Erik: "As cultivator, I would like to bring the winter to the summer. LED lighting makes it possible to go to higher light levels and is the right way to do that. I prefer a hybrid solution with HPS, and then look at how we can regulate the heat in the greenhouse.” For Koen, the ideal cleaning conditions, where the modules do not have to be shielded, and the simple scaling options are reasons to choose a combination of HPS with LED toplighting compact luminaires. He refers to the plug-and-play ease of installation of the Philips GreenPower LED toplighting. Both consider future investments in a larger portion of LED in their greenhouses. They look forward to the development of LED in combination with higher light levels.

Create the correct balance to control your crops

Erik wondered if he, at his company, as he said, maybe loved the plants too much. In passing, he refers to the learning curve that you as a grower with LED go through. "You control it differently with hybrid lighting and that requires experience that you will gain through the years. You become wiser. Light and heat become more tangible and you are better able to control the right balance in your crop. I see it as an added value in which we can develop ourselves year after year, with better end results. Let the summer come during the winter!"

Erik and Mark Zwinkels are co-owners of Bryte; with 40 hectare - of which 60% is lit - one of the biggest players in the Dutch tomato cultivation. Koen Lauwerysen is one of the four business managers at Den Berk Délice, where Lucas Aertsen is the cultivation manager. With 60 hectares tomatoes - of which half is lit - their company is also one of the bigger ones in Belgium. Both share their experiences during the past cultivation season where they used the combination LED and HPS for the first time. Bryte installed it on eight hectares, and Den Berk Délice on ten.

For further information, please contact:

Global Marcom Manager Horticulture at Signify

Daniela Damoiseaux

Tel: +31 6 31 65 29 69

E-mail: daniela.damoiseaux@signify.com

www.philips.com/horti

Signify Global Media relations - Professional Lighting

Wendy Schellens

Tel: +31 6 51 863 401

Email: wendy.schellens@signify.com

 About Signify

Signify (Euronext: LIGHT) is the world leader in lighting for professionals and consumers and lighting for the Internet of Things. Our Philips products, Interact connected lighting systems and data-enabled services, deliver business value, and transform life in homes, buildings, and public spaces. With 2019 sales of EUR 6.2 billion, we have approximately 36,000 employees and are present in over 70 countries. We unlock the extraordinary potential of light for brighter lives and a better world. We have been named Industry Leader in the Dow Jones Sustainability Index for three years in a row. News from Signify is located at the Newsroom, Twitter, LinkedIn, and Instagram. Information for investors can be found on the Investor Relations page.

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VIDEO: iFarm Raises $4 Million To Automate Urban Farming With AI And Drones

The Finnish startup has developed a vertical agricultural system called iFarm Growtune. By growing food closer to consumers and in spaces where conditions can be carefully controlled, iFarm promises to produce food that is fresher while reducing environmental impact

Chris O'Brien@obrien

August 20, 2020

Image Credit: iFarm

iFarm has raised $4 million to expand its automated system that uses AI and drones to grow fruits and vegetables in enclosed spaces. Gagarin Capital led the round of funding, which included investment from Matrix Capital, Impulse VC, IMI.VC, and some business angels.

The Finnish startup has developed a vertical agricultural system called iFarm Growtune. By growing food closer to consumers and in spaces where conditions can be carefully controlled, iFarm promises to produce food that is fresher while reducing environmental impact.

As companies rethink logistics and the environment in the wake of the pandemic, self-contained urban farms hold growing appeal.

“The main advantage of indoor farms is that you can be growing all year round, wherever you are,” said iFarm co-founder and CEO Max Chizhov. “And you don’t need a special technologist or agronomist who knows how to use software or grow stuff.”Automation, AI, robotics, and farming are increasingly converging. Paris-based Agricool installs automated systems shipping container to grow strawberries in urban areas. Naïo Technologies builds autonomous farming robots, a Berkeley lab is developing AI systems for polyculture gardeningBurro makes an autonomous vehicle to transport grapes during the harvest, and Enko Chem uses machine learning to help farmers protect their crops without pesticides.

Meanwhile, iFarm is working with clients, typically businesses or farmers, to set up systems in warehouses, factories, basements, and other spaces.

The iFarm system places seedbeds in long racks that are stacked up to 5 meters high. An array of sensors monitors and adjusts the lighting and humidity. Drones are equipped with computer vision to track the crops’ growth and provide further data for the system’s algorithm.

The company developed the algorithm by feeding it scientific data about plant growth, along with data obtained from working farms. The company’s platform can measure the size and weight of plants to help farmers modulate growing conditions. It also uses computer vision to spot potential diseases, which helps growers avoid the use of chemical treatments. In some cases, the system adjusts the microclimate automatically, but it can also provide recommendations to staff.

iFarm currently helps customers create farms ranging from 3,000 square meters to 5,000 square meters. The company has helped develop 11 farms in Finland, Switzerland, the U.K., the Netherlands, Andorra, Russia, and Kazakhstan. Chizhov said iFarm will use the new funding to continue the development of Growtune and expand into new countries in Europe and the Middle East.

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