Intervention effectmodel-written summary

No-till soybean yielded less than conventional tillage in 1982 (1890 versus 2260 kg/ha).

A claim from Effect of Tillage on Soybean Growth and Seed Production1 · 1987

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

No-till soybean yielded less than conventional tillage in 1982 (1890 versus 2260 kg/ha).

Taxon
SoybeanGlycine maxe0
Treatment
no‐tille0
Outcome
grain yieldse0
Direction
lesse0
Value
1890 kg/hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Soybean grain yields were less for no‐till in 1982 (1890 kg/ha vs. 2260 kg/ha)”

✓ located verbatim in the source · abstract, characters 682–760

Title

Effect of Tillage on Soybean Growth and Seed Production1

C. L. Webber; M. R. Gebhardt; H. D. Kerr Agronomy Journal 1987. doi:10.2134/agronj1987.00021962007900060002x

Other claims from this paper (7)

Record rev-48bb6ebc0acee22aa8069573637d5f3d3f5be211c43eff5d712ecad0908158a3 · schema claims-v0.9 · position 1 in the model’s answer

tillage · yield · Glycine max (soybean)Positive and negative results

390 papers: 264 positive, 126 negative or no effect

126 papers in the same direction as this claim · 263 in the opposite direction

  1. positive
    No tillage yielded 15% more than moldboard and chisel plowing in 2004.

    Soybean Growth and Seed Yield Response to Tillage and Compost · 2008 · compared with MP and CT

    Opposite directionCites this paper

  2. positive
    Conventional tillage improved soybean yield compared with no-till in two of four environments.

    Density, not tillage, increases soybean protein concentration in some southeastern US environments · 2023 · compared with no‐till

    Opposite directionCites this paper

  3. no effect
    Tillage did not affect soybean yield.

    Effect of planting date and tillage system on soybean root growth · 1995

    Same directionCites this paper

  4. positive
    No-tillage soybean yield was 6% higher than under conventional tillage.

    Corn and Soybean Response to Rotation Sequence, Row Spacing, and Tillage System · 2003 · compared with conventional tillage system

    Opposite direction

  5. positive
    Conservation tillage with corn-soybean rotation gave the most consistent yield increase over four years.

    Influence of Tillage and Crop Rotation on Yields of Corn, Soybean, and Wheat · 1988

    Opposite direction

  6. positive
    No-tillage increased seed mass by 15% over conventional tillage.

    Response of Soybean Yield Components to Management System and Planting Date · 2004 · compared with conventional tillage system

    Opposite direction

  7. positive
    Tillage increased soybean yields.

    Long-term crop rotation and tillage effects on soil greenhouse gas emissions and crop production in Illinois, USA · 2018 · compared with no-tillage

    Opposite direction

  8. positive
    At equivalent final stands, complete-tillage yields were less than 3 bu/acre higher than reduced or no-tillage yields.

    Soybean Planting Date, Row Width, and Seeding Rate Response in Three Tillage Systems · 1992 · compared with RT or NT

    Opposite direction

381 papers more in this group

See all 390 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.