Intervention effectmodel-written summary

The maximum B:C ratio (2.67) was obtained with combined use of 100% NPK + FYM + Zn + S.

A claim from Integrated nutrient management for higher yield, quality and profitability of onion (Allium cepa) · 2015

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The maximum B:C ratio (2.67) was obtained with combined use of 100% NPK + FYM + Zn + S.

Taxon
onionAllium cepat0
Treatment
combined use of 100% NPK + FYM + Zn + Se4
Outcome
B: C ratioe4
Direction
maximume4
Value
2.67e4

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

t0

“onion (Allium cepa)”

✓ located verbatim in the source · title, characters 78–97
e4

“The maximum gross return (Rupees 234 902.5 tonnes/ha), net returns (Rupees 171 085.1/ha) B: C ratio (2.67) and protein yield (368 kg/ha) were obtained with combined use of 100% NPK + FYM + Zn + S”

✓ located verbatim in the source · abstract, characters 933–1128

Title

Integrated nutrient management for higher yield, quality and profitability of onion (Allium cepa)

SANDEEP SINGH; DHARMESH VERMA; HARENDRA SINGH; et al. The Indian Journal of Agricultural Sciences 2015. doi:10.56093/ijas.v85i9.51633

Other claims from this paper (12)

Record rev-e37e494623bf84ce813da3310e1ab1a17d59a4100f9d0d57c8c58c1f1c68904f · schema claims-v0.9 · position 9 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 same zinc and boron treatment produced 5.03 tonnes/ha dry matter yield, above NPK alone.

    Effect of conjoint use of farmyard manure and fertilizers on yield and nutrient uptake by onion (Allium cepa) and soil fertility · 2017 · compared with 100 % NPK alone

    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
    Zn foliar application significantly increased onion yield relative to controls.

    Essential oil, growth and yield of onion (Allium cepa L.) in response to foliar application of some micronutrients. · 2009 · compared with control plants

    Same direction

  8. 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

27 papers more in this group

See all 36 papers →

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

530 papers: 464 positive, 66 negative or no effect

463 papers in the same direction as this claim · 59 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Full NPK increased bulb fresh weight and yield.

    Effect of organic and inorganic nutrient sources on productivity, profitability and soil fertility in onion (Allium cepa) under Entisol · 2019

    Same directionCites this paper

  2. positive
    Scale leaves per bulb, bulb fresh weight, and bulb yield increased up to the 150% NPK level versus control.

    Effect of conjoint use of farmyard manure and fertilizers on yield and nutrient uptake by onion (Allium cepa) and soil fertility · 2017 · compared with control

    Same directionCites this paper

  3. negative
    Onion yield decreased by 95 Mg·ha -1 for each 25% increase in the proportion of urea in fertilizer blends.

    Nitrogen Use Efficiency and Onion Yield Increased with a Polymer-coated Nitrogen Source · 2002

    Opposite direction

  4. no effect
    Yield and grade did not respond to N rate or its interaction with population.

    Plant Population and Nitrogen Fertilization for Subsurface Drip-irrigated Onion · 2004

    Opposite direction

  5. negative
    Onion yield decreased with SMC rate in 1981.

    Spent Mushroom Compost as a Soil Amendment for Vegetables · 1984

    Opposite direction

  6. no effect
    Onion yield was not reduced by the winter-persistent crops.

    Effects of Green Manure Crops on Soil Mineral Nitrogen Available for Organic Production of Onion and White Cabbage in Two Contrasting Years · 2001

    Opposite direction

  7. no effect
    Commercial organic-compliant fertilizers did not differ in total or jumbo onion yields.

    Evaluation of Poultry Litter and Organic Fertilizer Rate and Source for Production of Organic Short-day Onions · 2010

    Opposite direction

  8. no effect
    Fertigation N rates above 50 kg·ha−1 did not increase onion yield.

    Effect of Drip Irrigation and Fertilization Timing and Rate on Yield of Onion · 2003 · compared with 50 kg·ha−1

    Opposite direction

521 papers more in this group

See all 530 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.