Intervention effectmodel-written summary

Emergence occurred earliest at 150 and 200 kg ha-1 nitrogen.

A claim from The Effect of Different Nitrogen Doses on Growth Attributes of Some Sunflower (Helianthus annuus L.) Cultivars Grown as Second Crop · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Emergence occurred earliest at 150 and 200 kg ha-1 nitrogen.

Taxon
sunflowerHelianthus annuust0
Treatment
150 and 200 kg ha-1 Ne0
Outcome
emergence duratione0
Direction
earlieste0

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

“earliest emergence duration was recorded under 150 and 200 kg ha-1 N”

✓ located verbatim in the source · abstract, characters 749–817
t0

“sunflower (Helianthus annuus L.)”

✓ located after whitespace/quote normalisation · title, characters 68–100

Title

The Effect of Different Nitrogen Doses on Growth Attributes of Some Sunflower (Helianthus annuus L.) Cultivars Grown as Second Crop

Hasan Haliloğlu; Ahmet Aydogdu Akademik Ziraat Dergisi 2024. doi:10.29278/azd.1393338

Other claims from this paper (6)

Record rev-08b8a9d77784dd2cdd31a1ee0d3777c571f0ce0dc9f00af83255e9a206a09185 · schema claims-v0.9 · position 3 in the model’s answer

nitrogen · growth · Helianthus annuus (common sunflower)Results differ

76 papers: 63 positive, 13 negative or no effect

62 papers in the same direction as this claim · 12 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Greater nitrogen did not affect canopy extinction coefficient (0.88) in sunflower.

    Effect of Specific Leaf Nitrogen on Radiation Use Efficiency and Growth of Sunflower · 1997

    Opposite direction

  2. negative
    Sunflower growth was considerably reduced at zero nitrate.

    ABSORPTION OF NITROGEN DIOXIDE BY SUNFLOWER PLANTS GROWN AT VARIOUS LEVELS OF NITRATE · 1986 · compared with 5 mM nitrate

    Opposite direction

  3. negative
    Shoot growth was critically damaged when soil containers were placed in nitrogen at early stages of growth before roots were well established.

    Effect of Duration and Timing of Low Soil Oxygen Content on Shoot and Root Growth · 1962

    Opposite direction

  4. negative
    Nitrogen addition damaged sunflower seedling growth, especially under high salinity

    Effects of Sodium Chloride and Mineral Nutrients on Initial Stages of Development of Sunflower Life · 2007

    Opposite direction

  5. no effect
    Nitrogen above 25 ppm did not increase stem diameter.

    Effect of Fertilizer‐N and Herbicides on the Growth and N Content of Sunflower1 · 1976

    Opposite direction

  6. negative
    High ammonium rates reduced sunflower root volume.

    Soluble fractions and kinetics parameters of nitrate and ammonium uptake in sunflower ("Neon" Hybrid) · 2015

    Opposite direction

  7. no effect
    Direct immersion in liquid nitrogen left germination of air-dried H. annuus seeds without a significant difference from non-cooled controls.

    Cryopreservation of lipid-rich seeds: effect of moisture content and cooling rate on germination. · 2002 · compared with control seeds (air-dried, non-cooled)

    Opposite direction

  8. negative
    Lower nitrogen significantly reduced sunflower leaf area.

    Interactive Effect of Nitrogen and Water Stress on Leaf Area of Sunflower (Helianthus annuus L.) · 2000

    Opposite direction

67 papers more in this group

See all 76 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.