Intervention effectmodel-written summary

Zn foliar application significantly increased onion yield relative to controls.

A claim from Essential oil, growth and yield of onion (Allium cepa L.) in response to foliar application of some micronutrients. · 2009

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Zn foliar application significantly increased onion yield relative to controls.

Taxon
onion plantsAllium cepae0
Treatment
Zne0
Outcome
yielde0
Direction
increasede0
Comparator
control plantse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The results revealed that essential oil, growth and yield of onion plants significantly increased by the application of Fe, Zn and Mn compared to control plants.”

✓ located verbatim in the source · abstract, characters 388–549

Title

Essential oil, growth and yield of onion (Allium cepa L.) in response to foliar application of some micronutrients.

W. A. El-Tohamy; Ahmad Kusyairi Khalid; H. M. El-Abagy; et al. AUSTRALIAN JOURNAL OF BASIC AND APPLIED SCIENCES 2009

Other claims from this paper (11)

Record rev-e93318515912b5c3eef50a6eab796782f539daa4152a670b962af9d8fb593213 · schema claims-v0.9 · position 6 in the model’s answer

zinc atom · yield · Allium cepa (onion)Results differ

36 papers: 33 positive, 3 negative or no effect

32 papers in the same direction as this claim · 3 in the opposite direction

  1. positive
    The combined 50% NPK and foliar Fe, Zn and Cu treatment gave the highest onion bulb weights and yield.

    Response of Onion Yield and Its Chemical Content to NPK Fertilization and Foliar Application of Some Micronutrients · 2017

    Same directionCites this paper

  2. negative
    Repeated zinc applications depressed yield from the fifth through eleventh crops.

    Crop Responses to Some Micronutrients and Sodium on Sphagnum Peat Soil · 1964

    Opposite direction

  3. negative
    FYM, NPK and sulfur, with or without boron and zinc, gave maximum bulb weight.

    Response of Onion to NPK, S and Micronutrients · 2020

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  4. no effect
    B, Cu and Zn application did not influence onion yield.

    Growth, nutrient accumulation and yield of onion as a function of micronutrient fertilization · 2022

    Opposite direction

  5. positive
    The Zn and B combination was better for onion vegetative growth and yield.

    Effect of micronutrients on growth and yield of onion under calcareous soil environment · 2012

    Same direction

  6. positive
    Zn at 50 mg/kg soil slightly increased onion yield, while higher levels reduced yield.

    Effect of Cd, Ni, Pb and Zn on growth and chemical composition of onion and fenugreek · 1990

    Same direction

  7. positive
    Foliar Zn with 2,4-D increased onion bulb weight to 73.9 g.

    Effect Of Soil And Foliar Applications Of Zinc And Iron On The Yield And Quality Of Onion (Allium cepa L.) · 2013

    Same direction

  8. positive
    Onion yield per hectare (379.6 q) was maximum in treatment T3 (Zn at 4 mg L-1) and also in T11.

    Response of micronutrients on qualitative and quantitative parameters of onion (Allium cepa L.) · 2012

    Same direction

27 papers more in this group

See all 36 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.