Intervention effectmodel-written summary

Early nitrogen topdressing of unfertilized crops increased protein and yield.

A claim from Split nitrogen applications for management of yield and protein of wheat grown in dryland · 1997

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Early nitrogen topdressing of unfertilized crops increased protein and yield.

Treatment
Nitrogen topdressing early in the growing seasone0
Outcome
protein and yielde0
Direction
increasede0
Comparator
unfertilized cropse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Nitrogen topdressing early in the growing season to unfertilized crops increased both protein and yield”

✓ located verbatim in the source · abstract, characters 1130–1233
t0

“wheat”

✓ located verbatim in the source · title, characters 67–72

Title

Split nitrogen applications for management of yield and protein of wheat grown in dryland

F. Selles; R. P. Zentner; C. A. Campbell; et al. 1997

Other claims from this paper (8)

Record rev-eccad7f484d1d8f3b4953cad60dd3e92421bdfc12f703e668672aad7856d7939 · schema claims-v0.9 · position 4 in the model’s answer

climate site · quality: protein · Triticum aestivum (wheat)Positive and negative results

10 papers: 7 positive, 3 negative or no effect

6 papers in the same direction as this claim · 3 in the opposite direction

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

1 paper more in this group

See all 10 papers →

nitrogen · quality: protein · Triticum aestivum (wheat)Positive and negative results

454 papers: 400 positive, 54 negative or no effect

399 papers in the same direction as this claim · 47 in the opposite direction · 7 reporting no difference from an alternative

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

445 papers more in this group

See all 454 papers →

fertilization · quality: protein · Triticum aestivum (wheat)Positive and negative results

566 papers: 501 positive, 65 negative or no effect

500 papers in the same direction as this claim · 56 in the opposite direction · 9 reporting no difference from an alternative

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

557 papers more in this group

See all 566 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.