Intervention effectmodel-written summary

With 50% water-soluble K through biomass briquette ash plus recommended N and P, sunflower oil content reached a maximum of 40.58%.

A claim from Effect of biomass ash on yield and nutrient uptake of sunflower in vertisol · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

With 50% water-soluble K through biomass briquette ash plus recommended N and P, sunflower oil content reached a maximum of 40.58%.

Taxon
sunflowerHelianthus annuust0
Treatment
50% water soluble potassium through biomass briquette ash with recommended N and P fertilizerse1
Outcome
oil contente0
Direction
maximume0
Value
40.58%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“maximum number of capitulum plot-1 (46.67), diameter of capitulum (19.57 cm), number of seeds capitulum-1 (533.47), capitulum yield (31.80 q ha-1), 100-seed weight (5.42 g), oil content (40.58%)”

✓ located verbatim in the source · abstract, characters 1290–1484
e1

“application of 50% water soluble potassium through biomass briquette ash with recommended N and P fertilizers”

✓ located verbatim in the source · abstract, characters 1019–1128
t0

“sunflower”

✓ located verbatim in the source · title, characters 54–63

Title

Effect of biomass ash on yield and nutrient uptake of sunflower in vertisol

NJ Shahare; WP Badole; RM Ghodpage; et al. International Journal of Advanced Biochemistry Research 2024. doi:10.33545/26174693.2024.v8.i9g.2204

Other claims from this paper (12)

Record rev-fab9b60219007c0eae3b1f199b4c8ee2901df8144a4325cd776be3289e0c40c7 · schema claims-v0.9 · position 11 in the model’s answer

phosphorus · quality: oil · Helianthus annuus (common sunflower)Results differ

22 papers: 21 positive, 1 negative or no effect

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

  1. no effect
    P application did not influence sunflower oil content.

    Sunflower Response to Nitrogen and Phosphorus in Wheat‐Fallow Cropping Systems · 1997

    Opposite direction

  2. positive
    PSB increased oil yield by 24.7%.

    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

  3. positive
    Increasing phosphorus above 75% of the recommended rate raised biological, seed and oil yields in uninoculated sunflower.

    Effect Of Va-Mycorrhiza On Growth And Yield Of Sunflower (Helianthus Annuus L.) At Different Phosphorus Levels · 2010

    Same direction

  4. positive
    P application up to 30 kg P2O5 ha-1 significantly increased sunflower oil content.

    Effect of Fertilizer Nitrogen and Phosphorus on the Grain Yield, Nutrient Uptake and Oil Quality of Sunflower · 1997

    Same direction

  5. positive
    The N/P ratio of 1.40 with 126 kg N ha-1 and 90 kg P ha-1 gave higher seed yield, oil content and oil yield than other N/P ratios.

    Response of Sunflower to Different N/P Fertilizer Ratios and Levels of Nitrogen and Phosphorus · 2017 · compared with other N/P fertilizer ratios with different nitrogen and phosphorus levels

    Same direction

  6. positive
    In non-inoculated sunflower, biological yield, seed yield and oil yield increased with P above 75% of the recommended rate.

    Response of Sunflower (Helianthus annuus L.) To Inoculation with Mycorrhiza Under Different Phosphorus Levels · 2012

    Same direction

  7. positive
    Sunflower oil yield was highest at 100% chemical fertilizer requirement combined with Nitroxin and Phosphate Barvare2 inoculation.

    Effect of Biological and Chemical Fertilizers of Nitrogen and Phosphorus on Quantitative and Qualitative Yield of Sunflower · 2013

    Same direction

  8. positive
    The recommended fertilizer plus zinc sulfate treatment gave maximum oil yield of 0.91 t ha -1.

    Performance of summer sunflower (Helianthus annuus L.) hybrids under different nutrient management practices in coastal Odisha · 2017

    Same direction

13 papers more in this group

See all 22 papers →

nitrogen · quality: oil · Helianthus annuus (common sunflower)Results differ

51 papers: 40 positive, 11 negative or no effect

39 papers in the same direction as this claim · 10 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Nitrogen reduced oil concentration in oil type seeds.

    Effects of Nitrogen, Phosphorus, and Plant Density on Sunflower1 · 1974

    Opposite direction

  2. negative
    In half the oilseed experiments increased nitrogen lowered oil concentration.

    Response of Sunflower to Nitrogen and Phosphorus in North Dakota · 2018

    Opposite direction

  3. negative
    Nitrogen application decreased oil content.

    Response of sunflower cultivars to plant density and nitrogen · 1985

    Opposite direction

  4. negative
    Nitrogen decreased seed oil percentage.

    RESPONSE OF SUNFLOWER (HELIANTHUS ANNUUS L.) TO PHOSPHORUS AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING AT NEW VALLEY · 2010

    Opposite direction

  5. negative
    High oil yield (1221-1373 kg/ha) was also noted with a starting dose of N30P30K30 without additional nitrogen.

    INFLUENCE OF MACRO AND MICRO FERTILIZERS AND A BIOSTIMULANT ON THE PRODUCTIVITY AND QUALITY OF SUNFLOWER OIL SEEDS · 2023

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  6. negative
    Higher nitrogen rates reduced sunflower seed oil content.

    Effect of nitrogen, wheat residues, and compost rates on the growth and yield of sunflower · 2018

    Opposite direction

  7. negative
    Increasing nitrogen decreased oil content.

    RESPONSE OF SOME SUNFLOWER GENOTYPES TO NITROGEN FERTILIZER LEVELS · 2018

    Opposite direction

  8. negative
    Increasing nitrogen decreased oil content of sunflower

    THE INFLUENCE OF TWO APPLYING METHODS OF MICRONUTRIENTS MIXTURE WITH DIFFERENT LEVELS OF NITROGEN FERTILIZATION ON SUNFLOWER PLANTS GROWN UNDER SANDY SOIL CONDITIONS. · 2002

    Opposite direction

42 papers more in this group

See all 51 papers →

fertilization · quality: oil · Helianthus annuus (common sunflower)Results differ

89 papers: 76 positive, 13 negative or no effect

75 papers in the same direction as this claim · 13 in the opposite direction

  1. no effect
    Phosphate fertilization had little effect on seed yield, oil concentration and lodging.

    Response of Sunflower to Nitrogen and Phosphorus in North Dakota · 2018

    Opposite direction

  2. negative
    Nitrogen fertilizer reduced seed oil percentage.

    Sunflower Nutrient Uptake, Growth, and Yield as Affected by Nitrogen or Manure, and Plant Population1 · 1982

    Opposite direction

  3. no effect
    Nitrogen fertilization had no effect on sunflower grain oil concentration.

    Nitrogen Balance Approach to Sunflower Fertilization · 2003

    Opposite direction

  4. negative
    N fertilization decreased oil concentration by 2% in experiments E1, E4, E9, E11, and E12.

    Does nitrogen fertilization rate, timing, and splitting affect sunflower yield and grain quality? · 2023

    Opposite direction

  5. no effect
    Goat manure as organic fertilizer had no effect on sunflower oil content.

    GOAT MANURE FERTILIZATION AND IRRIGATION ON PRODUCTION COMPONENTS OF SUNFLOWER · 2019

    Opposite direction

  6. negative
    Increasing the nitrogen fertilizer rate on a phosphorus background slightly decreased seed oil content.

    Sunflower hybrids productivity depending on the rates of mineral fertilizers in the south of Ukraine · 2023

    Opposite direction

  7. negative
    Mineral fertilizer at N32P32K32 decreased seed oil content by 1.1–1.7% relative to no fertilizers.

    Вплив макро- і мікродобрив на біометричні, продуктивні та якісні показники гібридів соняшнику · 2021 · compared with no fertilizers

    Opposite direction

  8. no effect
    Fertilization and application date had no effect on oleic acid of sunflower oil in both seasons.

    Effect of Date and Quantity of Potassium Fertilizer Application on Growth, Yield and Oil Quality of Sunflower Helianthus annuus L. var. flame · 2013

    Opposite direction

80 papers more in this group

See all 89 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.