Voltiris

Featuring greenhouses that have improved thanks to Voltiris

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.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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