Intervention effectmodel-written summary

Phosphorus deficiency significantly decreased sunflower root yield.

A claim from Phosphorus Efficiency in Sunflower Cultivars and Its Relationships with Phosphorus, Calcium, Iron, Zinc and Manganese Nutrition · 2009

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Phosphorus deficiency significantly decreased sunflower root yield.

Taxon
sunflowerHelianthus annuuse1
Treatment
Phosphorus deficiencye0
Outcome
root yielde0
Direction
decreasese0

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

“Phosphorus deficiency resulted in significant decreases in the shoot and root yield”

✓ located verbatim in the source · abstract, characters 817–900
e1

“sunflower (Helianthus annuus L.) cultivars”

✓ located verbatim in the source · abstract, characters 403–445

Title

Phosphorus Efficiency in Sunflower Cultivars and Its Relationships with Phosphorus, Calcium, Iron, Zinc and Manganese Nutrition

Aydin Gunes; Ali Inal Journal of Plant Nutrition 2009. doi:10.1080/01904160902945325

Other claims from this paper (8)

Record rev-54c2e17e2d1cff4d7a226ae4fa33494da08874813d6248c5108976e3afa1fb5c · 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

This claim is about lacking the nutrient, so it counts the other way round here.

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

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.