Intervention effectmodel-written summary

Yields tended to be lower with stubble-mulch tillage than with plowing.

A claim from Stubble‐Mulch Tillage Versus Plowing With Nitrogen Fertilization With Regard to Nutrient Uptake by Cereals1 · 1958

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yields tended to be lower with stubble-mulch tillage than with plowing.

Treatment
stubble‐mulch tillagee1
Outcome
yieldse1
Direction
lowere1
Comparator
plowinge1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗
Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“on corn, oats and wheat”

✓ located verbatim in the source · abstract, characters 79–102
e1

“The N content of plant tissue produced by stubble‐mulch tillage tended to be lower than that produced by plowing in most cases; yields also tended to be lower with the former”

✓ located verbatim in the source · abstract, characters 223–397

Title

Stubble‐Mulch Tillage Versus Plowing With Nitrogen Fertilization With Regard to Nutrient Uptake by Cereals1

Wray L. Winterlin; T. M. McCalla; R. E. Luebs Agronomy Journal 1958. doi:10.2134/agronj1958.00021962005000050004x

Other claims from this paper (4)

Record rev-9bc2e8fd9bfe0c6f8e651e533e49f43011fa51492a8a10d72a06ccd03b0a2d2e · schema claims-v0.9 · position 4 in the model’s answer

tillage · yield · Avena sativa (oats)Positive and negative results

37 papers: 25 positive, 12 negative or no effect

11 papers in the same direction as this claim · 25 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
    One tillering Mn application increased yield as much as two applications.

    Oat Response to Manganese and Zinc1 · 1976 · compared with Mn applications made at both tillering and boot stages

    Opposite direction

  7. positive
  8. positive

28 papers more in this group

See all 37 papers →

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

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

286 papers in the same direction as this claim · 812 in the opposite direction

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

1,090 papers more in this group

See all 1,099 papers →

tillage · yield · Triticum aestivum (wheat)Positive and negative results

1,414 papers: 1,116 positive, 298 negative or no effect

297 papers in the same direction as this claim · 1,116 in the opposite direction

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

1,405 papers more in this group

See all 1,414 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.