Intervention effectmodel-written summary

Moldboard or chisel plowing increased corn grain yield by 9% compared with no tillage.

A claim from Effect of deep-tillage and nitrogen fertilization interactions on dryland corn (Zea mays L.) productivity · 2000

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Moldboard or chisel plowing increased corn grain yield by 9% compared with no tillage.

Treatment
moldboard or chisel plowinge0
Outcome
grain yielde0
Direction
increasede0
Value
9%e0
Comparator
no-tillage systeme0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

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

Verbatim

e0

“The preparation of seedbed using either moldboard or chisel plowing with or without deep-tillage, increased the vegetative biomass by 27% and the grain yield of the corn crops by 9% over the no-tillage system.”

✓ located verbatim in the source · abstract, characters 1222–1431

Title

Effect of deep-tillage and nitrogen fertilization interactions on dryland corn (Zea mays L.) productivity

Eea Inta 2000

Other claims from this paper (8)

Record rev-e38c2fa64c1f52cd238af1c10aa055c7c75ada951db2b119b030ca1715eeff42 · schema claims-v0.9 · position 2 in the model’s answer

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

1,099 papers: 812 positive, 287 negative or no effect

811 papers in the same direction as this claim · 230 in the opposite direction · 57 reporting no difference from an alternative

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

1,090 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.