Intervention effectmodel-written summary

The 100% organic nutrient source treatment gave maximum onion yield.

A claim from EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON ONION YIELD AND SOIL PROPERTIES IN SOYBEAN - ONION CROPPING SEQUENCE · 2011

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 100% organic nutrient source treatment gave maximum onion yield.

Taxon
onionAllium cepae0
Treatment
100% organic nutrient source through FYM, vermicompost, neem seed cake, Azotobacter, PSB and trap crope0
Interactor
AzotobacterAzotobactere0symbiont
Outcome
yield of onione0
Direction
maximume0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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 ↗
Azotobacter
Azotobacter · Interactor · picture of the genus (one of its species)DAN H. JONES · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the application of 100% organic nutrient source through FYM, vermicompost, neem seed cake, Azotobacter, PSB and trap crop gave the maximum yield of onion”

✓ located verbatim in the source · abstract, characters 1436–1589

Title

EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON ONION YIELD AND SOIL PROPERTIES IN SOYBEAN - ONION CROPPING SEQUENCE

Vu Tien Khang; H. M. Patil; Viet Nam 2011

Other claims from this paper (2)

Record rev-4d5ddbcbce4f7a022b1405ef8981c8c21a09ad634c05922ca334f700d952ff63 · schema claims-v0.9 · position 2 in the model’s answer

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

21 papers: 20 positive, 1 negative or no effect

19 papers in the same direction as this claim · 1 in the opposite direction

  1. negative
    Azotobacter plus Azospirillum gave minimum bulb weight of 64.23 ± 2.39 g.

    Influence of PGPR, AM Fungi and Conventional Chemical Fertilizers Armament on Growth, Yield Quality, Nutrient’s translocations and Quercetin Content in Onion Crop Cultivated in Semi-Arid Region of India · 2022

    Opposite direction

  2. positive
    The fertilizer strategy saved 50 kg N ha-1 without a significant yield difference.

    Response of onion (Allium cepa L.) to combined application of biological and chemical nitrogenous fertilizers · 2007

    Same direction

  3. positive
    Treatment T 12 gave the maximum number of leaves per plant in onion (12.15).

    Effect of organic manures, biofertilizers and micronutrients on growth, yield and quality of onion (Allium cepa L.) · 2017 · compared with all treatments under study

    Same direction

  4. positive
    N2 fixers Azotobacter + PSB inoculation increased onion yield.

    Effect of NPK through Chemical Fertilizers Combination with Farm Yard Manure (FYM) and Bio-fertilizers on Yield Attributes of Onion (Allium cepa L.) in Jaipur Region of Rajasthan, India · 2024

    Same direction

  5. positive
    Azotobacter plus Azospirillum maximized leaf number, inflorescences per plot and bulb diameter.

    Effect of bio-fertilizers on growth, yield and quality of onion cv. sukhsagar. · 2009

    Same direction

  6. positive
    In onion, the PGPR treatment T6 (100% NPK with Azotobacter, Sphingobacterium and Burkholderia) gave the maximum 20-bulb weight and bulb yield.

    Differential Effects of Plant Growth-Promoting Rhizobacteria Used as Soil Application vis-à-vis Root Dip of Seedlings on the Performance of Onion ( Allium cepa L.) in Three Distinct Agro-climatic Zones of Indian Punjab · 2022

    Same direction

  7. positive
    The stated fertilizer, manure and inoculant combination had the best benefit-cost ratio.

    Yield and economics of onion (Allium cepa L.) as influenced by NPK, FYM and biofertilizers. · 2012

    Same direction

  8. positive
    The nitrogen and Azotobacter seedling-dip combination gave the highest bulb yield and fresh bulb weight.

    Effect of nitrogen and bio-fertilizer on yield and quality of Rabi onion (Aluum cepa L) cv. Puna red · 2005

    Same direction

12 papers more in this group

See all 21 papers →

trap barrier · yield · Allium cepa (onion)Positive and negative results

10 papers: 6 positive, 4 negative or no effect

5 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Exclusion nets had a detrimental effect on onion yields.

    Biological Control and Habitat Management for the Control of Onion Thrips, Thrips tabaci Lindeman (Thysanoptera: Thripidae), in Onion Production in Quebec, Canada · 2024

    Opposite direction

  2. no effect
    Row covers had little effect on bulb yield.

    The Effect of Non-Woven Fabric Floating Row Covers on the Emergence, Growth, and Bulb Yield of Direct-seeded Onions (Allium cepa L.) in a Subarctic Area · 2018

    Opposite direction

  3. negative
    Shallot wet-bulb production under yellow lights was 4.66 tons/ha, below 6.86 tons/ha under blue lights.

    PEMANFAATAN LAMPU PERANGKAP UNTUK MENGENDALIKAN POPULASI ULAT BAWANG, SPODOPTERA EXIGUA HUBNER (LEPIDOPTERA : NOCTUIDAE) PADA PERTANAMAN BAWANG MERAH · 2023 · compared with blue light trap

    Opposite direction

  4. no effect
    In field trials, row cover onion plants produced yields equal to greenhouse plants.

    SEEDING AND COVERING DATES FOR PRODUCING `TEXAS GRANO 1015Y' ONION TRANSPLANTS UNDER ROW COVERS · 1994 · compared with greenhouse plants

    No difference from an alternative

  5. positive
    Onion yields were higher in plots with yellow traps.

    STICKY BOARD TRAPS FOR MANAGING LEAFMINER, Liriomyza trifolii (Burgess) (Diptera: Agromyzidae), INFESTATION IN ONION (Allium cepa Linn.) · 2014

    Same direction

  6. positive
    Wheat barrier cropping increased onion yield relative to other barriers and control.

    Effect of barrier crops as a management tool against Thrips tabaci in onion ecosystem · 2020 · compared with other barrier crops and the control

    Same direction

  7. positive
    Onion with a maize barrier yielded more than plots without a barrier.

    Maize (Zea mays) barrier as a cultural method for management of thrips in Onion (Alliuln cepa) · 2006 · compared with plots with no barrier

    Same direction

  8. positive
    Spacing of 18 x 20 cm with traps gave the highest shallot productivity, 13.5 tons per hectare.

    Effect of plant spacing and pest controls ofSpodoptera exiguaon shallots in Majalengka Regency, West Java · 2021 · compared with other treatments

    Same direction

1 paper more in this group

See all 10 papers →

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

38 papers: 35 positive, 3 negative or no effect

34 papers in the same direction as this claim · 3 in the opposite direction

  1. no effect
    Onion yield did not differ across extract treatments.

    Effect of oilseed radish extract on the incidence of thrips, Thrips tabaci Lind., and onion yield in organic farm system · 2007 · compared with untreated control plot

    Opposite direction

  2. no effect
    Mung bean sprout extract showed no marked influence on final shallot yield.

    EFFECTS OF CHICKEN MANURE AND MUNG BEAN SPROUT EXTRACT ON GROWTH AND YIELD OF SHALLOTS (ALLIUM CEPA VAR. AGGREGATUM) FROM TRUE SHALLOT SEED · 2025

    Opposite direction

  3. no effect
    Onion bulb diameter did not differ significantly among treatments.

    Evaluation of Natural Rock Powder as a Potassium Source for Onion (Allium cepa L.) Cultivation · 2026 · compared with mineral fertilizer control

    Opposite direction

  4. positive
    DHE significantly increased onion biomass production and bulb yield compared with untreated plants.

    Natural bee-honey based biostimulants confer salt tolerance in onion via modulation of the antioxidant defence system · 2019 · compared with untreated control plants

    Same direction

  5. positive
    Sprayed onions yielded 13% more in 2018 than unsprayed onions.

    Management of Onion Thrips (Thrips tabaci) in Organic Onion Production Using Multiple IPM Tactics · 2021 · compared with unsprayed

    Same direction

  6. positive
    Foliar wsCNP and sulfur treatments significantly increased onion yield.

    Effect of Carbon Nanoparticles in Biochar and Sulphur as a Foliar Spray on Onion Plants: A New Orientation · 2022 · compared with untreated plants

    Same direction

  7. positive
    Synthetic and botanical fungicide application gave a higher shallot yield

    Effectiveness of the Ageratum (Ageratum conyzoides) Leaf Extract as Botanical Fungicide Against Twisted Disease of Shallot · 2020

    Same direction

  8. positive
    Four percent MLE with the largest onion sets produced the highest total yield of 4802.7 g m-2.

    Effect of Moringa leaf extract and set size on the bulb weight, diameter and yield of onions (Allium cepa L.) · 2020 · compared with control and the smallest set size of 3±1 g/set

    Same direction

29 papers more in this group

See all 38 papers →

3 of 4 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.