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Featuring greenhouses that have improved thanks to Voltiris

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AGROSCOPE

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  • Switzerland, Conthey (Valais)

    Agroscope, Research Center for Protected Agriculture

  • 03.2022 – 11.2022

  • Tomato, bell pepper, lettuce, basilicum

  • 20 m2 - 2 greenhouse compartments, with each 10m2 trial zone,
    and 10m2 control zone

goals

  • Demonstrate the absence of impact of Voltiris’ spectral filtering
    solar technology on selected standard greenhouse crops (tomato,
    bell pepper, lettuce, and basilicum)

results

  • No measureable impacts on various growth metrics on all crops:
    Plant biomass (digital biomass)
    Yield
    Plant height

    A reduction of up to 15% of the plant perspiration has been
    measured during the warmest months.

WR BLEISWIJK

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  • The Netherlands, Bleiswijk (Zuid-Holland)

    Wageningen University & Research, Greenhouse horticulture

  • 02.2023 – 11.2023

  • Soilless vine tomato Marinice

  • 200 m2 - 2 greenhouse compartments, with each 100m2. One
    compartment, and one trial compartment.

goals

  • Demonstrate the absence of impact of Voltiris’ spectral filtering
    solar technology on state-of-the-Art growing techniques applied
    to standard soilless tomato cultivation.
    The energetic yield of the 24 Voltiris modules will also be studied
    in these trials.

results

  • We’re still waiting for the final results to come in.

CVETMO

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  • France, Saint-Denis-en-Val (Loiret)

    CVETMO Experimentation center for Centre-Val de Loire growers

  • 02.2023 – 11.2023

  • Soilless cucumber, umbrella cultivation, PROLOOG (Rijk Zwaan)

  • 80 m2 - 8 small (10m2) compartments , 4 with Voltiris spectral
    filters, 4 with a control film

goals

  • Study the growth and health of cucumber crop which is
    intensively cultivated in the Centre-Val de Loire.
    Special care will be given to the study of pest and beneficial
    insect populations below the spectral filters.

results

  • We’re still waiting for the final results to come in.

Sana Giardin

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  • Switzerland, Saas (Graubünden)

    Sana Giardin

  • Start: 08.2022

  • Various vegetables and ornmental flowers

  • 40 m2 - 1 wide-span greenhouse equipped with 15 Voltiris
    modules, covering a ground surface of 45 m2

goals

  • Demonstrate the ability to retrofit, i.e. the ability to build the
    modules in any type of greenhouse. Here the modules were built
    in a 40 years-old Gysi wide-span greenhouse.

results

  • The modules were easily installed inside of the greenhouse. No
    reduction of the agronomical yield below the modules has been
    measured.

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