Intervention effectmodel-written summary

The 120 kg N plus 75 kg P2O5 rate produced the maximum number of seeds per head.

A claim from Response of Nitrogen and Phosphorus Fertilizer and Plant Spacing on Growth and Yield Contributing Character of Sunflower · 1970

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 120 kg N plus 75 kg P2O5 rate produced the maximum number of seeds per head.

Taxon
SunflowerHelianthus annuust0
Treatment
120 kg N + 75 kg P2O5 per hectaree0
Outcome
number of seeds per heade0
Direction
Maximume0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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 seeds per head and yield were produced by the application of 120 kg N + 75 kg P2O5 per hectare.”

✓ located verbatim in the source · abstract, characters 296–409
t0

“Sunflower”

✓ located verbatim in the source · title, characters 111–120

Title

Response of Nitrogen and Phosphorus Fertilizer and Plant Spacing on Growth and Yield Contributing Character of Sunflower

AA Jahangir; RK Mondal; Katrun Nada; et al. Bangladesh Journal of Scientific and Industrial Research 1970. doi:10.3329/bjsir.v41i1.258

Other claims from this paper (4)

Record rev-9efbdd461bd2696a41de920c0b3384acbbf28021c04785857d196a119aaa3ace · schema claims-v0.9 · position 2 in the model’s answer

phosphorus · yield · Helianthus annuus (common sunflower)Results differ

81 papers: 79 positive, 2 negative or no effect

78 papers in the same direction as this claim · 2 in the opposite direction

  1. positive
    Higher phosphorus increased agronomic traits and yield parameters across genotypes.

    Identification of phosphorus use efficiency of different sunflower genotypes at Tandojam-Pakistan · 2018

    Same directionCites this paper

  2. no effect
    P application did not influence sunflower seed yield.

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

    Opposite direction

  3. no effect
    Phosphorus rate had no influence on sunflower yield.

    Sunflower Type Influences Yield Prediction using Active Optical Sensors · 2019

    Opposite direction

  4. 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

  5. positive
    Sunflower growth and yield responded strongly to increasing phosphorus supply.

    EFFECTS OF PHOSPHORUS SUPPLY ON GROWTH, YIELD, AND YIELD COMPONENTS OF SAFFLOWER AND SUNFLOWER · 2011

    Same direction

  6. positive
    Increasing phosphorus above 75% of the recommended rate raised sunflower head diameter, seeds per head and thousand-seed weight in uninoculated plants.

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

    Same direction

  7. positive
    Sunflower grain yield showed a significant response to N and P up to 60 kg N and 30 kg P2O5 ha-1 in three years of field experiments.

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

    Same direction

  8. positive
    Sunflower seed yield increased through 30 kg P2O5 ha−1.

    Yields and Nutrient Use-Efficiency in Groundnut-Sunflower Cropping System in Punjab, India · 2007

    Same direction

72 papers more in this group

See all 81 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.