Intervention effectmodel-written summary

Humic acid produced the highest average onion bulb weight in both seasons.

A claim from Foliar Spray with Some Growth Stimulants for Improving Growth, Productivity, Antioxidant Enzymes and Storability of Onion Plants · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Humic acid produced the highest average onion bulb weight in both seasons.

Taxon
onionAllium cepat0
Treatment
foliar spray of humic acide0
Outcome
average bulb weighte0
Direction
higheste0
Qualifier
both seasonse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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 highest values of average bulb weight were found with foliar spray of humic acid and amino acid in both seasons.”

✓ located verbatim in the source · abstract, characters 1151–1267
t0

“Onion Plants”

✓ located verbatim in the source · title, characters 116–128

Title

Foliar Spray with Some Growth Stimulants for Improving Growth, Productivity, Antioxidant Enzymes and Storability of Onion Plants

Ahmed Abdel-Wahab; Mahmoud Fahmy; Moustafa Aboel-Ainin; et al. Scientific Journal of Agricultural Sciences 2024. doi:10.21608/sjas.2024.275902.1402

Other claims from this paper (10)

Record rev-e4ee0bde61b520d40996909363c23eea262f0c8fddd2f6b12b4b123ce3a8b76d · schema claims-v0.9 · position 7 in the model’s answer

other · yield · Allium cepa (onion)Positive and negative results

48 papers: 44 positive, 4 negative or no effect

43 papers in the same direction as this claim · 4 in the opposite direction

  1. no effect
    Preplant and foliar humic substances were hardly effective in preventing nutrient deficiencies limiting onion yield.

    Effect of Humic Substances on Nutrient Status and Yield of Onion (Allium Cepa L.) in Field Conditions · 2012

    Opposite direction

  2. no effect
    Hydrogel with 50% ETc gave almost the same onion yield as full irrigation without hydrogel.

    Innovative Solutions for Drought: Evaluating Hydrogel Application on Onion Cultivation (Allium cepa) in Morocco · 2023 · compared with 100% ETc treatment without hydrogel

    Opposite direction

  3. no effect
    Amendment did not affect bulb yield.

    The effect of soil amendment and irrigation schedule on growth and yield of onion\n (Allium cepa L.) and seasonal irrigation applied · 2003

    Opposite direction

  4. no effect
    The organic fertilizer by zeolite interaction was not significant for shallot productivity in sand media.

    Analysis of Shallot Growth and Production With Organic Fertilizer and Zeolite in Beach Sand Media · 2023

    Opposite direction

  5. positive
    Foliar 0.5% seaweed extract significantly increased bulb weight and yield of onion compared with control.

    Effect of Seaweed Extract on Productivity and Quality Attributes of Four Onion Cultivars · 2020 · compared with control

    Same direction

  6. positive
    Compost amendment gave a significant improvement in soil fertility and onion yield.

    Effect of agro industrial wastes compost on soil health and onion yields improvements: study at field condition · 2019

    Same direction

  7. positive
    The combination of 8 ton ha-1 zeolite, 1 kg ha-1 Se and 400 kg ha-1 Si gave the maximum onion yield.

    The effect of zeolite, selenium and silicon on qualitative and quantitative traits of onion grown under salinity conditions · 2017

    Same direction

  8. positive
    Foliar potassium humate (0, 3, 6 and 12 L/fed) significantly affected onion growth characters, total yield and its components and chemical characters, with the highest values at 6 L/fed humic acid.

    RESPONSE OF GROWTH AND YIELD OF ONION PLANTS TO POTASSIUM FERTILIZER AND HUMIC ACID. · 2005

    Same direction

39 papers more in this group

See all 48 papers →

application · yield · Allium cepa (onion)Positive and negative results

131 papers: 121 positive, 10 negative or no effect

120 papers in the same direction as this claim · 10 in the opposite direction

  1. no effect
    The threshold spray program caused no significant onion yield reduction.

    Quantification of Airborne Inoculum as an Aid in the Management of Leaf Blight of Onion Caused by Botrytis squamosa · 2005 · compared with grower's schedule

    Opposite direction

  2. negative
    Foliar boron decreased yields in onions.

    The Contribution of Foliar Exposure to Boron Toxicity · 2007 · compared with without a component of foliar contact

    Opposite direction

  3. no effect
    Preplant and foliar humic substances were hardly effective in preventing nutrient deficiencies limiting onion yield.

    Effect of Humic Substances on Nutrient Status and Yield of Onion (Allium Cepa L.) in Field Conditions · 2012

    Opposite direction

  4. negative
    Immersion of the fungus in water induced massive production of microconidia.

    Germination and Infectious Potential of Microconidia of Sclerotium cepivorum · 1997

    Opposite direction

  5. no effect
    Stem base sprays did not increase yields.

    Evaluation of seed, stem and soil applications of procymidone to control white rot ( Sclerotium cepivorum Berk.) of onions · 1991

    Opposite direction

  6. negative
    No injection with 25% NPK gave the lowest total bulb yield, 14.06 in the first season.

    Effect of Mineral (NPK) Rates and Injection with Nano NPK on Growth, Yield and Quality of Onion · 2022

    Opposite direction

  7. no effect
    Atonik and coconut water immersion had no significant effect on shallot tuber number (17.87).

    Study on the effect of growth regulators and the concentration of coconut water on the growth and yield of garlic shallots (Allium ascalonicum L.) · 2023

    Opposite direction

  8. negative
    Spraying at least 30 days before harvest reduced bulb yield.

    Effects of maleic hydrazide spraying on vegtable crops. I · 1955

    Opposite direction

122 papers more in this group

See all 131 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.