Intervention effectmodel-written summary

Conservation tillage showed no evidence of negatively affecting corn or soybean yields.

A claim from Conservation tillage mitigates drought-induced soybean yield losses in the US Corn Belt · 2021

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Conservation tillage showed no evidence of negatively affecting corn or soybean yields.

Treatment
conservation tillagee1
Outcome
corn or soybean yieldse1
Direction
no_changeinferrede1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

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

Verbatim

e1

“we find no evidence that conservation tillage negatively affects corn or soybean yields”

✓ located verbatim in the source · abstract, characters 688–775

Title

Conservation tillage mitigates drought-induced soybean yield losses in the US Corn Belt

Bowen Chen; Benjamin M Gramig; Seong D Yun Q Open 2021. doi:10.1093/qopen/qoab007

Other claims from this paper (2)

Record rev-a18d22d987aef677b80916aa84e8a62a5b95a3cc7fa21801b5385cf9cdb7504c · 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
    Long-term conservation tillage increased soybean yield by an average of 0.74%.

    Satellites reveal a small positive yield effect from conservation tillage across the US Corn Belt · 2019

    Opposite directionCited by this paper

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. positive
    Soybean yield was highest under no-till.

    Tillage, Crop Sequence, and Cultivar Effects on Sclerotinia Stem Rot Incidence and Yield in Soybean · 2001

    Opposite direction

  8. positive
    No tillage increased soybean yield in one year.

    Water Use and Yield of Dryland Row Crops as Affected by Tillage · 1999

    Opposite direction

381 papers more in this group

See all 390 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
    Long-term conservation tillage increased maize yield by an average of 3.3%.

    Satellites reveal a small positive yield effect from conservation tillage across the US Corn Belt · 2019

    Opposite directionCited by this paper

  2. positive
    No-tillage was associated with higher corn yields.

    Influence of No‐tillage on Soil Moisture1 · 1971

    Opposite direction

  3. positive
    CA improved maize grain yield, especially in two- or three-year rotations.

    ROTATION IN CONSERVATION AGRICULTURE SYSTEMS OF ZAMBIA: EFFECTS ON SOIL QUALITY AND WATER RELATIONS · 2010

    Opposite direction

  4. positive
    Subsoil tillage increased grain yield of spring maize by 12.8% on average compared with conventional soil treatment.

    Effect of subsoil tillage depth on nutrient accumulation, root distribution, and grain yield in spring maize · 2014 · compared with conventional soil treatment

    Opposite direction

  5. positive
    In 1983 strip or no tillage with soybean rotation raised corn grain yield by 12%.

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

    Opposite direction

  6. positive
    In Lemu, CA monocrop maize yielded 2.7 Mg ha −1 more than conventional tillage in 2009/10.

    Conservation agriculture systems for Malawian smallholder farmers: long-term effects on crop productivity, profitability and soil quality · 2012 · compared with conventional tillage

    Opposite direction

  7. positive
    Tillage increased corn 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
    No-till gave a higher mean corn grain yield, 2.97 Mg ha −1, than moldboard plow-disk.

    Tillage Effects on Corn Production and Soil Physical Conditions · 1995 · compared with MP

    Opposite direction

1,090 papers more in this group

See all 1,099 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.