Intervention effectmodel-written summary

Protected cultivation improved lettuce high productivity relative to full sun.

A claim from Performance of Lettuce Cultivars under Different Production Environments · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Protected cultivation improved lettuce high productivity relative to full sun.

Taxon
lettuceLactuca sativae0
Treatment
protected environmente0
Outcome
high productivitye0
Direction
highe0
Comparator
full sune0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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 cultivation system in a protected environment showed better development and high productivity for the two lettuce cultivars, when compared to the system in full sun.”

✓ located verbatim in the source · abstract, characters 745–914

Title

Performance of Lettuce Cultivars under Different Production Environments

Pedro Henrique Máximo de Souza Carvalho; Gertrudes Macário de Oliveira; Ruy de Carvalho Rocha; et al. Journal of Experimental Agriculture International 2020. doi:10.9734/jeai/2020/v42i930586

Other claims from this paper (7)

Record rev-8378fac1ca97de086c0a384ffef4ea13c711912bc5593b8ac20c1c072817262e · schema claims-v0.9 · position 2 in the model’s answer

climate site · yield · Lactuca sativa (garden lettuce)Positive and negative results

5 papers: 3 positive, 2 negative or no effect

2 papers in the same direction as this claim · 2 in the opposite direction

  1. negative
    Spring plants had lower yield, total dry biomass and leaf area index than summer plants.

    Yield and quality of leafy lettuce in response to nutrient solution composition and growing season · 2009 · compared with summer season

    Opposite direction

  2. no effect
    Modified light from solar cell filters did not negatively affect lettuce yield.

    Emergent molecular traits of lettuce and tomato grown under wavelength-selective solar cells · 2023

    Opposite direction

  3. positive
    Lettuce plants propagated under the UV-inclusive environment had higher harvestable yields than those from the UV-depleted environment after transplantation to a uniform field environment.

    Increased exposure to UV‐B radiation during early development leads to enhanced photoprotection and improved long‐term performance in Lactuca sativa · 2011 · compared with those from a UV-depleted environment

    Same direction

  4. positive
    T6 gave the best yields and morphological performance.

    Biostimulants Enhance the Growth and Nutritional Quality of Lettuce (Lactuca sativa L.) · 2026 · compared with normal control

    Same direction

See all 5 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.