Intervention effectmodel-written summary

Deep tillage and irrigation did not give additive soybean yield increases.

A claim from Tillage Effects on Crop Yield in Coastal Plain Soils · 1984

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Deep tillage and irrigation did not give additive soybean yield increases.

Taxon
soybeanGlycine maxe0
Treatment
Deep tillage and irrigatione0
Outcome
additive yield increasese0
Direction
note0

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 ↗

Verbatim

e0

“Deep tillage and irrigation produced additive yield increases for corn, but not for soybean”

✓ located verbatim in the source · abstract, characters 877–968

Title

Tillage Effects on Crop Yield in Coastal Plain Soils

C. R. Camp; G. D. Christenbury; C. W. Doty Transactions of the ASAE 1984. doi:10.13031/2013.33036

Other claims from this paper (9)

Record rev-93aba4ba7ec4daf491949499b52bf271d2a7e2ac26e43d2745c6fbe55c7fac49 · schema claims-v0.9 · position 8 in the model’s answer

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

343 papers: 264 positive, 79 negative or no effect

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

  1. positive
    Irrigation increased soybean grain yields by 41% on average compared with no irrigation.

    Agro-economic prospects for expanding soybean production beyond its current northerly limit in Europe · 2021 · compared with without irrigation

    Opposite direction

  2. positive
    Pod elongation irrigation consistently increased seed yield by +379 kg/ha.

    Irrigation of Soybean Genotypes During Reproductive Ontogeny. I. Agronomic Responses1 · 1983

    Opposite direction

  3. positive
    Bloom-stage irrigation generally increased soybean yield over the unirrigated check.

    Irrigation Effects on Vegetative and Reproductive Development of Three Soybean Cultivars1 · 1978 · compared with unirrigated check

    Opposite direction

  4. positive
    Irrigation significantly increased seed yield and number of seed of soybean from all cultivars in all experiments, relative to the nonirrigated control.

    Drought Stress and Irrigation Effects on Germination of Harvested Soybean Seed · 1993 · compared with nonirrigated (NI) control

    Opposite direction

  5. positive
    Irrigation significantly increased soybean yield, with larger gains in early plantings.

    Planting Date, Row Spacing, and Irrigation Effects on Soybean Grown on Clay Soil · 1988

    Opposite direction

  6. positive
    The wheat-soybean double-crop system using MG III or IV under limited irrigation was more profitable than the full-season soybean system.

    Early‐Maturing Soybean in a Wheat–Soybean Double‐Crop System Yield and Net Returns · 2006 · compared with full‐season soybean system

    Opposite direction

  7. positive
    Supplementary irrigation increased soybean yield by 543 kg ha–1 versus rainfed management under baseline.

    Assessment of crop-management strategies to improve soybean resilience to climate change in Southern Brazil · 2018 · compared with rainfed crop

    Opposite direction

  8. positive
    In the dry season, irrigation raised late planting yield 355% (2,623 kg ha −1).

    Irrigation, Row Spacing, and Genotype Effects on Late and Ultra‐Late Planted Soybeans1 · 1982

    Opposite direction

334 papers more in this group

See all 343 papers →

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

390 papers: 264 positive, 126 negative or no effect

125 papers in the same direction as this claim · 264 in the opposite direction

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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 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 →

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.