Intervention effectmodel-written summary

Zinc addition increased maize yield in many soils.

A claim from Response of maize (Zea Mays L.) to zinc fertilization in relation to Mehlich 1 extractable zinc in Northern Nigeria · 2006

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc addition increased maize yield in many soils.

Taxon
maizeZea mayst0
Treatment
addition of Zne0
Outcome
yielde0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“In many of the soils, yield was increased by the addition of Zn”

✓ located verbatim in the source · abstract, characters 518–581
t0

“maize”

✓ located verbatim in the source · title, characters 12–17

Title

Response of maize (Zea Mays L.) to zinc fertilization in relation to Mehlich 1 extractable zinc in Northern Nigeria

AA Yusuf; N Abdu; VO Chude; et al. Nigerian Journal of Soil and Environmental Research 2006. doi:10.4314/njser.v6i1.28393

Other claims from this paper (5)

Record rev-e271bf539d90bd7639974a221cf543bb314f5d75c956ce6167fc5a387100facb · schema claims-v0.9 · position 1 in the model’s answer

zinc atom · yield · Zea mays (maize)Results differ

441 papers: 391 positive, 50 negative or no effect

390 papers in the same direction as this claim · 47 in the opposite direction · 3 reporting no difference from an alternative

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

432 papers more in this group

See all 441 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.