Intervention effectmodel-written summary

T8 gave maximum bulb length, 5.8 cm.

A claim from Effect of potassium and sulphur on soil properties and growth and yield of onion (Allium Cepa l.) cv. Nasik red · 2019

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T8 gave maximum bulb length, 5.8 cm.

Taxon
onionAllium cepat0
Treatment
T8 (potassium at 100 kg ha-1 and sulphur at 100 kg ha-1 )e0
Outcome
bulb lengthe0
Direction
maximume0
Value
5.8 cme0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“maximum average plant height (76 cm), bulb length (5.8 cm), bulb diameter (7.8 cm), total bulb yield *(13.55 t ha-1) showed significantly better results with the treatment T8 (potassium at 100 kg ha-1 and sulphur at 100 kg ha-1 )”

✓ located verbatim in the source · abstract, characters 301–530
t0

“onion (Allium Cepa l.)”

✓ located verbatim in the source · title, characters 75–97

Title

Effect of potassium and sulphur on soil properties and growth and yield of onion (Allium Cepa l.) cv. Nasik red

Jefferson Brandon Mukhim; Narendra Swaroop; Arun Alfred David; et al. International Journal of Advanced Chemistry Research 2019. doi:10.33545/26646781.2019.v1.i1a.3

Other claims from this paper (9)

Record rev-2dc62583eb2ec7bb64ba47ced63386dd1de0d9af7a486db4e422077247f1de18 · schema claims-v0.9 · position 2 in the model’s answer

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

45 papers: 38 positive, 7 negative or no effect

37 papers in the same direction as this claim · 7 in the opposite direction

  1. negative
    High combined nitrogen and sulphur rates had an antagonistic effect on bulb nutrient uptake, yield components and yield.

    Nutrient uptake and yield of onion as influenced by nitrogen and sulphur fertilization · 2008

    Opposite direction

  2. no effect
    Excess sulphur did not significantly influence yield.

    Effect of sulphur nutrition on pungency and storage life of short day onion (Allium cepa) · 2013

    Opposite direction

  3. no effect
    K/S rate did not affect individual bulb weight.

    Sweet Onion (Allium cepa) Plant Growth and Bulb Yield and Quality as Affected by Potassium and Sulfur Fertilization Rates · 2016

    Opposite direction

  4. negative
    Seepage irrigation significantly reduced onion yield against all treatments except CS in 2015/2016.

    Effect of cyclic irrigation using moderately saline and non‐saline water on onion (Allium cepa L.) yield and soil salinization in semi‐arid areas of Northern Ethiopia* · 2020 · compared with all but CS

    Opposite direction

  5. no effect
    Sulphur beyond 30 kg/ha brought the onion yield back to the level of 0 and 15 kg/ha.

    Effects of sulphur in presence and absence of farmyard manure on onion (Allium cepa) under onion-maize (Zea mays) cropping sequence · 2008 · compared with 0 and 15 kg/ha

    Opposite direction

  6. no effect
    Sulfur treatments did not affect onion yield or grade.

    RELATIONSHIP BETWEEN PUNGENCY, SOLUBLE SOLIDS, AND SUSCEPTIBILITY TO NECK ROT IN ONIONS · 1992

    Opposite direction

  7. no effect
    High-dilution sulphur sprays did not influence bulb weight or postharvest conservation of onion compared with untreated control.

    High dilutions of Sulphur and relationship with the onion thrips, downy mildew incidence and yield of onion in organic system · 2015 · compared with untreated plot

    Opposite direction

  8. positive
    Sulfur fertilizer significantly increased bulb and tissue dry weights, total dry matter, leaf area index and growth rates.

    Effect of sulphur on growth, yield and yield attributes in onion (Allium cepa L.) · 2013

    Same direction

36 papers more in this group

See all 45 papers →

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

59 papers: 54 positive, 5 negative or no effect

53 papers in the same direction as this claim · 5 in the opposite direction

  1. negative
    N, P and K addition depressed onion yield in the first year.

    N–P–K FERTILIZER EFFECTS ON YIELD, COMPOSITION AND RESIDUES OF LETTUCE, CELERY, CARROT AND ONION GROWN ON AN ORGANIC SOIL IN QUEBEC · 1975

    Opposite direction

  2. no effect
    Higher fertilization did not increase onion yield beyond stated N, P and K levels.

    OPTIMAL SOIL pH AND SUFFICIENCY CONCENTRATIONS OF N, P AND K FOR MAXIMUM ALFALFA AND ONION YIELDS ON ACID ORGANIC SOILS · 1980

    Opposite direction

  3. no effect
    Potassium levels did not affect onion yield.

    Response of Rabi Onion cv. Nasik Red to nitrogen and Potassium Fertilizer · 2001

    Opposite direction

  4. no effect
    Up to 25% KCl caused no significant growth or yield decline under direct seeding.

    Onion Bulb Yield and Quality as Influenced by Seed or Seedling Planting Methods As well as Potassium Fertilizer Forms, K2SO4 and KCl, and Their Combination · 2023

    Opposite direction

  5. no effect
    Phosphorus, potash, and nutrient by spacing interactions had nonsignificant effects on yield.

    Influence of Nitrogen, Phosphorus, Potassium and Planting Distance on the Maturity and Yield of Onion (Allium Cepa L.). · 1974

    Opposite direction

  6. positive
    Raising potassium sulphate up to 150 kg/fed significantly affected total yield and its components (bulb weight and bulb dimension) of onion.

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

    Same direction

  7. positive
    Bulb yield of onion increased significantly up to 120 kg K2O/ha.

    Response of onion (Allium cepa) to potassium application · 2001

    Same direction

  8. positive
    Maximum onion yield was obtained with the variety Rasidpura Local at 150 kg nitrogen and 150 kg potassium per hectare.

    Response of onion to nitrogen and potassium fertilization under semi-arid condition of Rajasthan · 2003

    Same direction

50 papers more in this group

See all 59 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.