Intervention effectmodel-written summary

Humic acid 70 ppm with ascorbic acid 40 ppm gave a higher bulb fresh weight of onion compared with the control.

A claim from Effect of Humic acid and Ascorbic acid on Growth and Yield of Onion (Allium cepa L.) under Valley Conditions of Garhwal Himalaya · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Humic acid 70 ppm with ascorbic acid 40 ppm gave a higher bulb fresh weight of onion compared with the control.

Taxon
onionAllium cepae0
Treatment
Humic acid 70 ppm + Ascorbic acid 40 ppme2
Outcome
bulb fresh weighte1
Direction
higherinferrede1
Value
88.20 ge1
Comparator
control (T1)e3
Setting
Srinagar (Garhwal), Uttarakhande4

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleQualifier

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

“to assess the impact of humic acid and ascorbic acid on growth and yield of onion bulb”

✓ located verbatim in the source · abstract, characters 164–250
e1

“bulb fresh weight (88.20 g)”

✓ located verbatim in the source · abstract, characters 613–640
e2

“were obtained with the spray of Humic acid 70 ppm + Ascorbic acid 40 ppm (T15)”

✓ located verbatim in the source · abstract, characters 702–780
e3

“while minimum were recorded with control (T1)”

✓ located verbatim in the source · abstract, characters 782–827
e4

“H.N.B Garhwal University, Srinagar (Garhwal), Uttarakhand”

✓ located verbatim in the source · abstract, characters 106–163

Title

Effect of Humic acid and Ascorbic acid on Growth and Yield of Onion (Allium cepa L.) under Valley Conditions of Garhwal Himalaya

Anil Kumar Yadav; D.K Rana; Kiran Yadav Environment and Ecology 2023. doi:10.60151/envec/uwtj1034

Other claims from this paper (6)

Record rev-36d9a0544d9decbe3e7537fca009d506aa75ed87e3478940d8f9bab1751db4fc · schema claims-v0.9 · position 5 in the model’s answer

ascorbic acid · growth · Allium cepa (onion)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this claim

  1. positive
    Ascorbic acid at 12.5 and 25% gave the highest onion emergence percentage (72.00 and 73.67%).

    Seed Priming Technique as Innovation to Improve Germination in Onion (Alliumcepa L.) · 2020

    Same direction

  2. positive
    Exogenous ascorbic acid significantly improved the dry weight of roots and leaves of onion plants in both non-stressed and Cu-stressed plants.

    Interactive effects of copper and ascorbic acid on some physiological characters in Allium cepa L. · 2014

    Same direction

  3. positive
    Combined antioxidant priming gave the highest onion germination of 90.75%.

    Study of the effect of seed priming with antioxidants on seed quality of fresh and old seed lot of onion (Allium cepa L.) · 2020

    Same direction

  4. positive
    Combined antioxidant priming gave the highest germination after ten months.

    Study the Effect of Antioxidants on Seed Quality and Enzyme Activity during Storage of Onion Seeds (Allium cepa L.) · 2020

    Same direction

See all 5 papers →

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

38 papers: 33 positive, 5 negative or no effect

32 papers in the same direction as this claim · 4 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Higher hydrogel doses lowered germination energy in lettuce and onion relative to controls.

    Influence of hydrogel on germination of lettuce and onion seed at different moisture levels · 2013 · compared with non-treated control

    Opposite direction

  2. no effect
    The interaction of amendments and cultivars did not significantly affect plant height and bulb diameter.

    Effects of Gypsum and Zeolite on Nutrient Uptake and Shallot (Allium ascalonium L.) Growth on Irrigated Saline Entisol · 2019

    Opposite direction

  3. no effect
    Microbial amendments alone did not promote growth.

    Combined Soil Microorganism Amendments and Foliar Micronutrient Nanofertilization Increased the Production of Allium cepa L. through Aquaporin Gene Regulation · 2023

    Opposite direction

  4. negative
    Combined biostimulants and magnetic irradiation produced shorter onion plants without reported morphophysiological damage.

    Estimation of the application biopreparation of complex action “Agrophil” and the polyhumates of sapropel on the intensification of the physiological processes of alliumcepa growth in a magnetic hydroculture · 2021

    Opposite direction

  5. no effect
    Chicken manure amendment combined with biofertilizer inoculation increased shoot and bulb dry weight, without a significant difference from other treatments.

    Organic matter and mixed biofertilizer for plant growth and yield of shallot grown in fertile soil · 2021 · compared with other treatments

    No difference from an alternative

  6. positive
    The 2.5 g/m2 application produced maximum gains in shoot height and shoots per plant.

    Effect of seaweed extract on growth and yield of onion · 2014

    Same direction

  7. positive
    Triple application from either the three- or four-leaf stage produced the highest onion root fresh weight.

    RESPONSE OF ONION ( Allium cepa L.) TO THE METHOD OF SEAWEED BIOSTIMULANT APPLICATION · 2017

    Same direction

  8. positive
    Seaweed fertilizer at 5500ppm enhanced onion germination percentage.

    Effect of Different Concentration of Commercial Seaweed Liquid Extract of Ascophylum nodosum on Germination of Onion (Allium cepa L.) · 2017

    Same direction

29 papers more in this group

See all 38 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.