Intervention effectmodel-written summary

Potassium deficiency yielded stems 43.8–53% thinner than control.

A claim from Nutrient Deficiency Effects on the Biometric Characteristics of Tobacco Seedlings in Float Tray Systems · 2008

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Potassium deficiency yielded stems 43.8–53% thinner than control.

Treatment
potassium (K)e0
Outcome
stemse0
Direction
thinnere0
Value
43.8–53%e0
Comparator
control mediae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Copper (Cu), N, potassium (K), and P nutrient deficiency induced the thinnest stems, which were 2.23–2.70 mm or 43.8–53% thinner than those in the control media”

✓ located verbatim in the source · abstract, characters 767–927
t0

“Tobacco”

✓ located verbatim in the source · title, characters 64–71

Title

Nutrient Deficiency Effects on the Biometric Characteristics of Tobacco Seedlings in Float Tray Systems

Johnson Masaka; Patience Muguti; Eliton Chivandi Journal of Plant Nutrition 2008. doi:10.1080/01904160802043072

Other claims from this paper (12)

Record rev-059a73792d3524128395ea62b20a2515a7fa3a371908aacd1e0b40f3fb65223a · schema claims-v0.9 · position 8 in the model’s answer

potassium · growth · Nicotiana tabacum (tobacco)Positive and negative results

22 papers: 15 positive, 7 negative or no effect

14 papers in the same direction as this claim · 7 in the opposite direction

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

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

13 papers more in this group

See all 22 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.