Intervention effectmodel-written summary

Significant growth response to nitrogen fertilization occurred only for black cherry.

A claim from Effects of added nitrogen on growth of hardwood trees in southern New York · 1989

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Significant growth response to nitrogen fertilization occurred only for black cherry.

Taxon
black cherryPrunus serotinae1
Treatment
Nitrogen fertilizatione0
Outcome
growth responsee1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier

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

Prunus serotina
Prunus serotina · Taxon · picture from its Wikimedia Commons categoryAnRo0002 · CC0 · Wikimedia Commons ↗

Verbatim

e0

“Nitrogen fertilization rate trials (0–672 kg/ha)”

✓ located verbatim in the source · abstract, characters 0–48
e1

“Significant growth response occurred only for black cherry (Prunusserotina Ehrh.)”

✓ located verbatim in the source · abstract, characters 358–439

Title

Effects of added nitrogen on growth of hardwood trees in southern New York

J. A. Stanturf; E. L. Stone Jr.; R. C. McKittrick Canadian Journal of Forest Research 1989. doi:10.1139/x89-041

Other claims from this paper (3)

Record rev-934c3f1a3e2dedd4d3d47a23836e7dc0cce3b224971d7d964226dc25a12e72cc · schema claims-v0.9 · position 2 in the model’s answer

fertilization · growth · Prunus serotina (black cherry)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this claim

  1. positive
  2. positive
See all 3 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.