Intervention effectmodel-written summary

Increasing plant density increased seed yield and oil yield.

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

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing plant density increased seed yield and oil yield.

Taxon
sunflowerHelianthus annuuse1
Treatment
Increasing plant densitye0
Outcome
seed yield, yield of oil from oil‐type sunflowere0
Direction
increasede0

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

“Increasing plant density increased seed yield, yield of oil from oil‐type sunflower, and percentage of medium‐size seeds from confectionery cultivars.”

✓ located verbatim in the source · abstract, characters 1340–1490
e1

“sunflower ( Helianthus annuus L.)”

✓ located verbatim in the source · abstract, characters 353–386

Title

Effects of Nitrogen, Phosphorus, and Plant Density on Sunflower1

J. C. Zubriski; D. C. Zimmerman Agronomy Journal 1974. doi:10.2134/agronj1974.00021962006600060024x

Other claims from this paper (12)

Record rev-0187358283a4fdff0131f1d6304c6e1a305a830819092a95c693c531fe3342b9 · schema claims-v0.9 · position 9 in the model’s answer

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

85 papers: 70 positive, 15 negative or no effect

69 papers in the same direction as this claim · 15 in the opposite direction

  1. negative
  2. no effect
  3. positive
  4. positive
  5. positive
  6. positive
  7. no effect
  8. negative

76 papers more in this group

See all 85 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.