Intervention effectmodel-written summary

Ammonium sulfate at 60 kg N/fed combined with Azotobacter chroococcum and Azospirillum lipoferum inoculation gave the highest seed and oil yields of sunflower compared with other combination treatments in both seasons.

A claim from Effect of Vital Inoculations and Different Nitrogen Forms Fertilizer on the Quality and Productivity of Sunflower Plant under New Valley Conditions · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ammonium sulfate at 60 kg N/fed combined with Azotobacter chroococcum and Azospirillum lipoferum inoculation gave the highest seed and oil yields of sunflower compared with other combination treatments in both seasons.

Taxon
sunflowerHelianthus annuuse1
Treatment
applying ammonium sulfate (AS) at 60kg N/fed and inoculating with bio-fertilizer mixture of Azotobacter chroococcum and Azospirillum lipoferume0
Interactor
Azotobacter chroococcumAzotobacter chroococcume0symbiont
Second interactor
Azospirillum lipoferumAzospirillum lipoferume0symbiont
Outcome
seed and oil yieldse1
Direction
higheste1
Qualifier
in both seasons of studye1
Comparator
other combination treatmentse1

Not reportedMaterialGeneCompoundOrgan / stageSettingValue

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“applying ammonium sulfate (AS) at 60kg N/fed and inoculating with bio-fertilizer mixture of Azotobacter chroococcum and Azospirillum lipoferum”

✓ located verbatim in the source · abstract, characters 672–814
e1

“the highest seed and oil yields of sunflower plants when compared with other combination treatments in both seasons of study”

✓ located verbatim in the source · abstract, characters 986–1110

Title

Effect of Vital Inoculations and Different Nitrogen Forms Fertilizer on the Quality and Productivity of Sunflower Plant under New Valley Conditions

Mahmoud Mohammed Egyptian Journal of Microbiology 2020. doi:10.21608/ejm.2020.44853.1174

Other claims from this paper (1)

Record rev-606660a67d2eb9d32a32146aac1824fe382a48824d841b2115cc805e7d6a361f · schema claims-v0.9 · position 1 in the model’s answer

Azospirillum lipoferum · yield · Helianthus annuus (common sunflower)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this claim

  1. positive
    With Azospirillum lipoferum inoculation the highest sunflower grain yield, 5.14 t/ha, was obtained.

    The role of Azospirillum lipoferum bacteria in sustainable production of sunflower (Helianthus annuus L.). · 2010 · compared with without inoculation

    Same direction

See all 2 papers →

ammonium sulfate · yield · Helianthus annuus (common sunflower)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this claim

  1. positive
    20 kg S/ha through ammonium sul- phate increased sunflower seed yield over control by 8.5%.

    Optimizing sulphur application in sunflower (Helianthus annuus) under irrigated semi-arid tropical conditions · 2001 · compared with control

    Same direction

  2. positive
    Ammonium sulphate produced the highest sunflower seed yield.

    Effect of different sources of nitrogen fertilizer on yield & yield components of sunflower (Helianthus annuus L.). · 2014

    Same direction

  3. positive
    Ammonium sulphate produced higher grain than gypsum (1648).

    Effect of different sources and levels of sulphur on yield, sulphur uptake and quality of rainfed sunflower (Helianthus annus L.) · 2019 · compared with gypsum

    Same direction

  4. positive
    Antemis yielded 2.94 tons per hectare with ammonium sulfate.

    EFFICIENCY OF SULFUR BENTONITE AND AMMONIUM SULFATE IN THE NUTRITION SYSTEM OF SUNFLOWER HYBRIDS ON TYPICAL GRAY FOREST SOILS OF THE REPUBLIC OF TATARSTAN · 2026

    Same direction

See all 5 papers →

inoculation · yield · Helianthus annuus (common sunflower)Positive and negative results

55 papers: 48 positive, 7 negative or no effect

47 papers in the same direction as this claim · 5 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    One rust inoculation at vegetative reduced sunflower oil yield by 13.

    Effects of simulated rust epidemics on the growth and yield of sunflower · 1977

    Opposite direction

  2. no effect
    Biofertilizer did not affect plant height, head weight or stem diameter of sunflower.

    Effects of Biofertilizer Application on Phenology and Growth of Sunflower (Helianthus annuus L.) Cultivars · 2011

    Opposite direction

  3. no effect
    Grain yield was not significantly affected by the microorganisms.

    Response of Sunflower Yield and Phytohormonal Changes to Azotobacter , Azospirillum , Pseudomonas and Animal Manure in a Chemical Free Agroecosystem · 2011

    Opposite direction

  4. negative
    Pathogen inoculation caused considerable changes in achene dry matter accumulation.

    Growth Analysis for Studying the Effect of the Fungal Pathogen Diaporthe helianthi on the Achene Dry Matter Accumulation per Head in Sunflower Hybrids · 2003

    Opposite direction

  5. negative
    Watering the inoculated plots 1 to 3 times decreased sunflower yield from 4690.95 kg/ha to 3815.55 kg/ha

    EFFECTS OF WATERING FREQUENCY ON THE SUNFLOWER VERTICILLIUM WILT OCCURRENCE AND SUNFLOWER YIELD · 2012

    Opposite direction

  6. no effect
    N160 without PGPR priming and N80 with Azotobacter priming gave similar grain yields.

    Effects of Seed Priming with Plant Growth Promoting Rhizobacteria (PGPR) on Grain Yield, Fertilizer Use Efficiency and Dry Matter Remobilization of Sunflower (Helianthus annus L.) with Various Levels of Nitrogen Fertilizer · 2012 · compared with N80 × seed priming with PGPR Azotobacter

    No difference from an alternative

  7. no effect
    Sunflower seed inoculation with Rhizobacterien plus 20 kg NI fed gave seed yield per feddan equal to fertilization with 30 kg NI fed.

    RESPONSE 0 F SOME SUNFLOWER CUL TIVARS TO SOME BIO-NITROGEN FERTILIZATION UNDR HILL SPACES · 2004 · compared with fertilization with 30 kg NI fed

    No difference from an alternative

  8. positive
    PSB enhanced head diameter, seed weight, kernel ratio and oil content.

    Performance of phosphate solubilizing bacteria for improving growth and yield of sunflower (Helianthus annuus L.) in the presence of phosphorus fertilizer · 2010 · compared with no application

    Same direction

46 papers more in this group

See all 55 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.