Intervention effectmodel-written summary

Omitting Zn from balanced fertilization reduced maize grain yield by about 28%.

A claim from Managing essential plant nutrients to improve maize productivity in the savanna agroecological zones of Northern Ghana: the role of secondary and micronutrients · 2022

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Omitting Zn from balanced fertilization reduced maize grain yield by about 28%.

Taxon
maizeZea mayst0
Treatment
omission of S, Zn, and Be0
Outcome
grain yielde0
Direction
reducede0
Value
∼28%e0
Comparator
balanced fertilizatione0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

“Compared to balanced fertilization, omission of S, Zn, and B reduced grain yield by an average of ∼34%, ∼28%, and ∼14%, respectively”

✓ located verbatim in the source · abstract, characters 978–1110
t0

“maize”

✓ located verbatim in the source · title, characters 46–51

Title

Managing essential plant nutrients to improve maize productivity in the savanna agroecological zones of Northern Ghana: the role of secondary and micronutrients

Sampson Agyin-Birikorang; Ignatius Tindjina; Raphael Adu-Gyamfi; et al. Journal of Plant Nutrition 2022. doi:10.1080/01904167.2022.2027984

Other claims from this paper (7)

Record rev-704df99cfe65756d3b18307d52da861111cc0dc47bccb02b086df2f158a8b543 · schema claims-v0.9 · position 6 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

This claim is about lacking the nutrient, so it counts the other way round here.

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