Observationmodel-written summary

Wheat grain yield had linear, quadratic and absent responses to nitrogen across years.

A claim from Analysis of yield variability in winter wheat due to temporal variability, and nitrogen and phosphorus fertilization · 2007

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

Wheat grain yield had linear, quadratic and absent responses to nitrogen across years.

Treatment
N ratese0
Outcome
grain yielde0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Wheat grain yield showed three distinct responses to N rates: Linear, quadratic and no response.”

✓ located verbatim in the source · abstract, characters 1103–1199

Title

Analysis of yield variability in winter wheat due to temporal variability, and nitrogen and phosphorus fertilization

Kefyalew Girma; Kyle W. Freeman; Roger Teal; et al. Archives of Agronomy and Soil Science 2007. doi:10.1080/03650340701466754

Other claims from this paper (4)

Record rev-e99aff09ae08bc13318fc3debd37924dd86e61371c32897d90531effee3e298c · schema claims-v0.9 · position 1 in the model’s answer