Intervention effectmodel-written summary

Foliar zinc sulphate with recommended NPK gave the maximum B:C ratio of 2.63:1, compared with 2.19:1 under the recommended practice.

A claim from Effect of Foliar Application of Zinc Sulphate on Onion · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar zinc sulphate with recommended NPK gave the maximum B:C ratio of 2.63:1, compared with 2.19:1 under the recommended practice.

Taxon
onionAllium cepae2
Treatment
Foliar application of zinc sulphate @0.5 per cent at 45 and 60d after transplantinge4
Outcome
B: C ratioe2
Direction
maximume2
Value
2.63: 1e2
Qualifier
2.19: 1e2
Comparator
recommended practice (T2)e2
Setting
10 farmer's fielde5

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor role

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

e4

“Foliar application of zinc sulphate @0.5 per cent at 45 and 60d after transplanting was given along with NPK@100: 50: 50 kg/ha”

✓ located verbatim in the source · abstract, characters 594–720
e2

“The data of the trial revealed that foliar application of zinc sulphate along with recommended dose of NPK (T1) gave maximum yield of onion (275 q/ha) along with the maximum B: C ratio (2.63: 1) compared to the recommended practice (T2) which gave 231.25 q/ha yield along with B: C ratio of 2.19: 1 and Farmers’ practice (T3) where yield of 187.5 q/ha was recorded along with B: C ratio of 2.16: 1 pooled over the two years”

✓ located verbatim in the source · abstract, characters 809–1232
e5

“an On Farm Trial (OFT) was conducted by KVK at 10 farmer's field during 2014–15 and 2015–16”

✓ located verbatim in the source · abstract, characters 376–467

Title

Effect of Foliar Application of Zinc Sulphate on Onion

Munish Sharma; Yashwant Singh Journal of Krishi Vigyan 2018. doi:10.5958/2349-4433.2018.00028.4

Other claims from this paper (6)

Record rev-2e2bb84d423cf3a1777ac5adc6e0f23ecb33b22e44abfd2cfbe1cc7568d5e2a6 · schema claims-v0.9 · position 5 in the model’s answer

zinc sulfate · yield · Allium cepa (onion)Results agree

14 papers: 14 positive, 0 negative or no effect

13 papers in the same direction as this claim

  1. positive
    Zinc sulfate nutripriming raised dry matter production to 20.7 mg.

    Seed priming studies for vigour enhancement in onion CO onion (5) · 2017 · compared with unprimed, hydroprimed and sand matrix primed seeds

    Same direction

  2. positive
    ZnSO4 foliar application gave the highest onion dry yield.

    RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS · 1999 · compared with application of borax

    Same direction

  3. positive
    Foliar zinc sulphate gave the highest number of leaves per plant (51.3) in multiplier onion.

    Response on growth, yield and quality parameters of multiplier onion (Allium cepa L. var. aggregatum Don.) var. CO(On)5 with different doses and method of zinc and boron application · 2015

    Same direction

  4. positive
    The combined STCR and zinc sulfate soil and foliar treatment improved bulb yield.

    Effect of Zinc and Boron on Yield and Quality of Onion (Allium cepa L.) in Alfisols of Tamirabarni Tract · 2019

    Same direction

  5. positive
    The same treatment gave better bulb yield (16.85 t/ha) in onion.

    Effect of zinc and boron on yield and quality of onion (Allium cepa L.) in alifisols of Tamirabarni tract · 2019

    Same direction

  6. positive
    Foliar zinc sulfate increased bulb yield, at par with soil zinc sulfate.

    Impact of transplanting dates, cultivars and zinc on performance of onion (Allium cepa) · 2023 · compared with soil application of ZnSO4

    Same direction

  7. positive
    Combined foliar zinc sulphate and boron produced maximum onion yield of 349.25 q/ha versus 319.30 q/ha in controls.

    Effect of foliar application of micronutrients on yield of onion (Allium cepa L.) · 2020 · compared with control plot

    Same direction

  8. positive
    Foliar zinc sulphate 0.5% and borox 0.2% significantly increased onion seed yield per plant to 4.29 g.

    Effect of zinc and boron on seed yield and quality of onion (Allium cepa L.) · 2021

    Same direction

5 papers more in this group

See all 14 papers →

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

71 papers: 62 positive, 9 negative or no effect

61 papers in the same direction as this claim · 7 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    January 29 transplanting reduced onion yield to 6.72 t/ha.

    Effects of transplanting time on the yield and quality of onion (Allium cepa L.) · 2020

    Opposite direction

  2. no effect
    In 2003–04, 22 Dec. 2003 transplanting had total yield similar to earlier November and December dates.

    Sowing Date, Transplanting Date, and Variety Effect on Transplanted Short-day Onion Production · 2009 · compared with earlier dates in November or December

    Opposite direction

  3. negative
    The same pruning reduced onion bulb yield by 29%.

    Onion Growth and Yield in Relation to Transplant Pruning, Size, Spacing, and Depth of Planting1 · 1981

    Opposite direction

  4. negative
    Average bulb weight significantly decreased with 160 plants/m2 transplanted on February 5.

    EFFECT OF TRANSPLANTING DATE AND PLANTING DENSITY ON BULB YIELD AND QUALITY OF GIZA 20 ONION IN UPPER EGYPT · 1997

    Opposite direction

  5. no effect
    Weed-free conditions beyond 90 days did not significantly improve bulb yield.

    Crop-weed competition in onion (Allium cepa) under mid-hill condition of North-west Himalayas* · 2006

    Opposite direction

  6. negative
    Sprays every 7 days after transplanting gave growth and yield significantly lower than the other spray frequencies.

    DETRIMENTAL EFFECTS OF REPEATED CYTOKININ APPLICATION ON "RED CR E" ONION (ALLIUM CEPA L.) · 1994 · compared with the other frequencies

    Opposite direction

  7. negative
    Transplanting seedlings on 15-30 January gave poor onion yield.

    Effects of Seedlings Transplanting Time on The Growth And Yield of Onion at Different AEZs · 2020

    Opposite direction

  8. no effect
    Onion can be grown equally profitably by transplanting or by broadcasting.

    Response of Onion (Allium cepa L.) to Methods of Sowing and Weed Management Practices · 2002 · compared with broadcasting

    No difference from an alternative

62 papers more in this group

See all 71 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.