Intervention effectmodel-written summary

Cultivar Williams 82 yielded 8% less in no-till than in tilled systems.

A claim from Soybean Cultivar Response to Tillage Systems1 · 1987

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cultivar Williams 82 yielded 8% less in no-till than in tilled systems.

Taxon
Glycine maxGlycine maxe0
Material
Williams 82e3
Treatment
no‐tille3
Outcome
yielde3
Direction
lesse3
Value
8%e3
Comparator
tilled systemse3

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“six soybean [ Glycine max (L.) Merr.] cultivars of different maturities and growth habits in three tillage systems”

✓ located verbatim in the source · abstract, characters 433–547
e3

“‘Williams 82’ yielded 8% less in no‐till than in tilled systems”

✓ located verbatim in the source · abstract, characters 1226–1289

Title

Soybean Cultivar Response to Tillage Systems1

Roger W. Elmore Agronomy Journal 1987. doi:10.2134/agronj1987.00021962007900010024x

Other claims from this paper (4)

Record rev-1a65eb768db67faab9322522a6a334b82b54153851de8c3ac4ab435023549d3e · schema claims-v0.9 · position 4 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
    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 directionCites this paper

  2. positive
    No-till soybeans in sprayed wheat stubble yielded more than soybeans in rototilled soil.

    Feasibility of Non-irrigated Soybean (Glycine max) Production in the Semi-arid Central Great Plains · 1991 · compared with soil that was rototilled

    Opposite directionCites this paper

  3. no effect
    Tillage and irrigation did not affect grain yield of soybean

    Soybean Agronomic Response to Management Systems in the Upper Midwest · 2003

    Same directionCites this paper

  4. negative
    No-tillage soybean yielded less than conventional tillage.

    Rainfed Wheat and Soybean Productivity in a Long‐Term Tillage Experiment in Central Italy · 2008 · compared with CT

    Same directionCites this paper

  5. no effect
    Soybean yields under no-tillage were equivalent to yields under conventional tillage in all year-location combinations.

    Residue Management Practice Effects on Soybean Establishment and Growth in a Young Wheat-Soybean Double-Cropping System · 2007 · compared with CT

    Same directionCites this paper

  6. negative
    Soybean yields under NT and RT averaged 2 bu/acre less than under CT.

    Solid‐Seeded Soybean Cultivar Response in Three Tillage Systems · 1991 · compared with CT

    Same directionCites this paper

  7. 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

  8. 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

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.