Intervention effectmodel-written summary

Nitrogen addition did not significantly change A. retroflexus relative yield with P. oleracea.

A claim from Nitrogen Forms Alter the Competitive Advantage of the Invasive Plant Amaranthus retroflexus over the Local Species · 2026

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Nitrogen addition did not significantly change A. retroflexus relative yield with P. oleracea.

Taxon
A. retroflexusAmaranthus retroflexuse0
Treatment
nitrogen additione0
Interactor
P. oleraceaPortulaca oleraceae0other
Outcome
relative yield of A. retroflexuse0
Direction
no significant effecte0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Amaranthus retroflexus
Amaranthus retroflexus · TaxonLynk media · CC BY-SA 3.0 · Wikimedia Commons ↗
Portulaca oleracea
Portulaca oleracea · InteractorDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“nitrogen addition had no significant effect on the relative yield of A. retroflexus but significantly increased the relative yield of P. oleracea, thereby weakening the competitive advantage of A. retroflexus.”

✓ located verbatim in the source · abstract, characters 389–598

Title

Nitrogen Forms Alter the Competitive Advantage of the Invasive Plant Amaranthus retroflexus over the Local Species

Fan Yang; Yige Zhang; Wenhui Wang; et al. Nitrogen 2026. doi:10.3390/nitrogen7020057

Other claims from this paper (10)

Record rev-bcc534bbdeea847ca722e99c35570eb95ec82264d10ad28c559af34d08690dc7 · schema claims-v0.9 · position 1 in the model’s answer