Intervention effectmodel-written summary

Dynamic lighting reduced electricity consumption by 20% compared with on–off lighting.

A claim from Dynamic control of supplemental lighting intensity in a greenhouse environment · 2012

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Dynamic lighting reduced electricity consumption by 20% compared with on–off lighting.

Taxon
lettuceLactuca sativae1
Treatment
dynamic lighting controle0
Outcome
electricity consumptione0
Direction
reductione0
Value
20%e0
Comparator
a similar lighting system operated under a discontinuous on–off regimee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Lactuca sativa
Lactuca sativa · Taxonen:User:Geographer · CC BY 1.0 · Wikimedia Commons ↗

Verbatim

e0

“The use of the dynamic lighting control resulted in a 20% reduction in the electricity consumption in comparison to a similar lighting system operated under a discontinuous on–off regime.”

✓ located verbatim in the source · abstract, characters 514–701
e1

“fresh weight accumulation of lettuce plants”

✓ located verbatim in the source · abstract, characters 452–495

Title

Dynamic control of supplemental lighting intensity in a greenhouse environment

P Pinho; T Hytönen; M Rantanen; et al. Lighting Research & Technology 2012. doi:10.1177/1477153512444064

Other claims from this paper (1)

Record rev-fc7fcde320e506df6370a8931b8fd544a9d3c337f0c7217f48c35da0029a77cd · schema claims-v0.9 · position 1 in the model’s answer

light · pest · Lactuca sativa (garden lettuce)Positive and negative results

9 papers: 8 positive, 1 negative or no effect

7 papers in the same direction as this claim · 1 reporting no difference from an alternative

  1. no effect
    Desiccation light treatments showed no differences in thermoinhibition or longevity.

    Red to Far-red Ratio During Seed Development Affects Lettuce Seed Germinability and Longevity · 2009 · compared with the other treatments

    No difference from an alternative

  2. positive
    LED lighting reduced electricity consumption and cost compared with fluorescent lamps.

    The plant growth, water and electricity consumption, and nutrients uptake are influenced by different light spectra and nutrition of lettuce · 2023 · compared with fluorescent lamps

    Same direction

  3. positive
    Red LED decreased accumulated electric energy consumption of lettuce by 75.6% relative to fluorescent lamps.

    Utilization Efficiencies of Electric Energy and Photosynthetically Active Radiation of Lettuce Grown under Red LED, Blue LED and Fluorescent Lamps with Different Photoperiods · 2013 · compared with control

    Same direction

  4. positive
    Adding FR irradiation was more electrically efficient for accelerating lettuce growth than increasing PPFD.

    Accelerating the Growth of Lettuce (Lactuca sativa L.) by Additional Far-Red(FR) Irradiation. · 1992 · compared with increasing the level of the PPFD

    Same direction

  5. positive
    After accelerated aging, red-light treatment extended lettuce seed longevity compared with control seeds.

    Red and Far-red Light Treatments to Modify Thermoinhibition, Photoblasticity, and Longevity in Lettuce Seeds · 2014 · compared with control seeds

    Same direction

  6. positive
    LED radiation reduced energy consumption of the irradiation system by 40-50% compared with sodium lamps

    The LED phyto lighting for improving the environmental friendliness of growing and productivity of lettuce varieties with red and green leaves · 2020 · compared with sodium lamps

    Same direction

  7. positive
    LEDB lighting used 53.3% less power per plant than LEDA.

    Influence of Combined Lighting with Different Red and Blue LED on Photosynthetic Characteristics and Quality of Lettuce and Evaluation of Energy Consumption · 2011 · compared with LEDA lighting

    Same direction

  8. positive
    Red LED lighting consumed 75.6% less electric energy than fluorescent control.

    Agri-environmental System Engineering and Energy : Utilization Efficiencies of Electric Energy and Photosynthetically Active Radiation of Lettuce Grown under Red LED, Blue LED and Fluorescent Lamps with Different Photoperiods · 2013 · compared with control

    Same direction

See all 9 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.