Intervention effectmodel-written summary

Soil and combined nitrogen did not improve grain yield or vegetative biomass.

A claim from Managing Nitrogen Sources in Soybean–Rhizobium Symbiosis During Reproductive Phenological Stage: Partitioning Symbiotic and Supplemental N with 15N · 2025

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Soil and combined nitrogen did not improve grain yield or vegetative biomass.

Taxon
soybeanGlycine maxt0
Treatment
Soil and soil + foliar Ne0
Outcome
grain yield or vegetative biomasse0
Direction
did not improvee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Soil and soil + foliar N markedly increased NDFF and NDFS while suppressing nodulation (particularly at V4) and reducing nitrogenase activity, yet they did not improve grain yield or vegetative biomass”

✓ located verbatim in the source · abstract, characters 999–1200
t0

“Soybean–Rhizobium”

✓ located verbatim in the source · title, characters 29–46

Title

Managing Nitrogen Sources in Soybean–Rhizobium Symbiosis During Reproductive Phenological Stage: Partitioning Symbiotic and Supplemental N with 15N

Nicolas Braga Casarin; Cássio Carlette Thiengo; Carlos Alcides Villalba Algarin; et al. Nitrogen 2025. doi:10.3390/nitrogen7010001

Other claims from this paper (10)

Record rev-200572de490461ba0c7fa9b74d94f4d0a6901efd602a9099e2296eaef15f1fdc · schema claims-v0.9 · position 9 in the model’s answer

application · yield · Glycine max (soybean)Positive and negative results

404 papers: 332 positive, 72 negative or no effect

71 papers in the same direction as this claim · 332 in the opposite direction

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

395 papers more in this group

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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.