Intervention effectmodel-written summary

Fertilization of high or very high soil-test P plots did not increase yield.

A claim from Phosphorus management strategies for corn and soybean in the Upper US Midwest · 2025

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Fertilization of high or very high soil-test P plots did not increase yield.

Treatment
fertilized high or very high plotse0
Outcome
yielde0
Direction
No yield increasee0

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 ↗
Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“No yield increase was noted for fertilized high or very high plots”

✓ located verbatim in the source · abstract, characters 1139–1205
t0

“corn and soybean”

✓ located verbatim in the source · title, characters 37–53

Title

Phosphorus management strategies for corn and soybean in the Upper US Midwest

Daniel E. Kaiser; Karina P. Fabrizzi; Albert L. Sims; et al. Agronomy Journal 2025. doi:10.1002/agj2.70054

Other claims from this paper (6)

Record rev-180badccdfd458867fa2d1590f88893909ed1416d158f56ebfbc0617cd4a94b1 · schema claims-v0.9 · position 4 in the model’s answer

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

1,192 papers: 1,021 positive, 171 negative or no effect

171 papers in the same direction as this claim · 1,020 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

1,183 papers more in this group

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fertilization · yield · Zea mays (maize)Positive and negative results

3,908 papers: 3,485 positive, 423 negative or no effect

423 papers in the same direction as this claim · 3,484 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

3,899 papers more in this group

See all 3,908 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.