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    >100 kilograms

    per square meter 

    Delphy/ Improvement Center
    The Netherlands  

     

    Delphy Improvement Centre is a modern greenhouse complex where new cultivation techniques and technical systems from all parts of the world are developed, tested, and demonstrated. Results contribute to sustainable and profitable horticulture around the world.

    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy
    Find out how Bosch is using office lighting to create a productive work atmosphere and save energy

    With LEDs we can apply
    the maximum growing light

    to achieve peak yields of over 100 kilograms per square meter.”

     

    - Willem Valstar, adviser StarGrow Consultancy

     

    A closer look on the greenhouse lighting solutions of Philips Lighting in place and working at GreenQ

    The challenge

    The big challenge in growth light trials with tomatoes is achieving the highest possible yields, and that requires extensive research knowledge and practical growing experience. The trials aim to combine the most advanced climate control and growing light technologies and also serve as demonstration areas.
    A closer look on the greenhouse lighting solutions of Philips Lighting in place and working at GreenQ

    The right lighting

     

    In the 2013/2014 growing season, a trial with Philips GreenPower LED toplighting and interlighting was set up in one section. This trial involved three lighting set-ups which produced a combined light level of 210 μmol/m2/s. Crops in set-up 1 received toplighting alone, crops in set-up 2 received toplighting and a single line of interlighting, and crops in set-up 3 received toplighting and two lines of interlighting

     

    Unlike the previous trial, the follow-up trial used pinched grafted plants instead of one-on-onegrafted plants? The spacing was 4.2 stems per square meter. This resulted in 97.1 kg/m2 with a limited watering regime and 100.6 kg/m2 with a standard watering regime

     

    By far, the biggest advantage of the LED toplighting and interlighting combination compared to HPS lighting is the fact that the light penetrates deeply into the crop. This allows both the leaves and the fruit to receive enough light for strong growth. Adviser Willem Valstar, who managed the trial says, “With full LED we can optimally steer the lighting and plant temperature, so the plant does not experience unnecessary stress and thus grows better. The climate also remains more stable and the CO2 is used more efficiently.”

    Philips GreenPower LED interlighting module

    Philips GreenPower LED interlighting module

    The interlighting module is a bi-directional lighting module for interlighting in between tall plants e.g. tomatoes.

    The interlighting module is a bi-directional lighting module for interlighting in between tall plants e.g. tomatoes.

    View Product

    Philips GreenPower LED interlighting module

    The interlighting module is a bi-directional lighting module for interlighting in between tall plants e.g. tomatoes.

    Grow lights 
    much longer

    The team

    GreenQ/Improvement Centre

    Grower

    Certhon

    Philips Horti LED partner

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    • Delicious Cook Co. Ltd.

      Delicious Cook Co. Ltd.

      Indoor cultivation yields fesh, safe, readymade meals.

    • Queen

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      With LED we get two to three days faster rooting, which is 25% faster all year round.

    • Wim Peters Kwekerijen

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      Consumers prefer LED grown tomatoes

    • Great Lakes Growers

      Great Lakes Growers

      Lettuce growing operation in northeast Ohio switches to 100% Philips LED toplighting from HPS after conducting an in-house comparative analysis of grow lights

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