Intervention effectmodel-written summary

Deep tillage and irrigation gave additive corn yield increases.

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

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Deep tillage and irrigation gave additive corn yield increases.

Treatment
Deep tillage and irrigatione0
Outcome
yield increasese0
Direction
increasese0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · 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-e6de3c1a34f5ab6ae33ca0c7b835d05d2609ff4958dabb1c8540381d19763212 · schema claims-v0.9 · position 7 in the model’s answer

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

1,016 papers: 791 positive, 225 negative or no effect

790 papers in the same direction as this claim · 209 in the opposite direction · 16 reporting no difference from an alternative

  1. negative
    Nanoparticle irrigation had mostly insignificant inhibitory effects on long-term shoot production.

    Colloidal suspensions of clay or titanium dioxide nanoparticles can inhibit leaf growth and transpiration via physical effects on root water transport · 2009

    Opposite direction

  2. no effect
    Grain yield did not differ significantly between 75% FIT and 100% FIT.

    Maize Evapotranspiration, Yield Production Functions, Biomass, Grain Yield, Harvest Index, and Yield Response Factors under Full and Limited Irrigation · 2013 · compared with 100% FIT

    Opposite direction

  3. negative
    Minimum irrigation lowered average maize yield by 13% versus full irrigation.

    Performance of Double‐Cropped Winter Wheat–Summer Maize under Minimum Irrigation in the North China Plain · 2006 · compared with fully irrigated treatment (FI)

    Opposite direction

  4. negative
    DI reduced maize yield by 8.8%.

    Yield and water productivity of maize and wheat under deficit and raised bed irrigation practices in Egypt · 2012

    Opposite direction

  5. negative
    Deficit irrigation decreased grain yield and its parameters in maize.

    Regulation of Agronomic Traits, Nutrient Uptake, Osmolytes and Antioxidants of Maize as Influenced by Exogenous Potassium Silicate under Deficit Irrigation and Semiarid Conditions · 2020

    Opposite direction

  6. negative
    Limited irrigation yielded 86% of full irrigation for corn.

    Cropping Systems for Stretching Limited Irrigation Supplies · 1993 · compared with fully irrigated

    Opposite direction

  7. no effect
    Mineral fertilization plus sewage effluent irrigation did not affect maize dry matter yield.

    Maize Growth and Changes in Soil Fertility After Irrigation with Treated Sewage Effluent. I. Plant Dry Matter Yield and Soil Nitrogen and Phosphorus Availability · 2005

    Opposite direction

  8. negative
    Brackish water irrigation reduced maize yield, more in 2018 than 2017.

    Effects of Irrigation Water Salinity on Soil Properties, N2O Emission and Yield of Spring Maize under Mulched Drip Irrigation · 2019

    Opposite direction

1,007 papers more in this group

See all 1,016 papers →

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

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

811 papers in the same direction as this claim · 230 in the opposite direction · 57 reporting no difference from an alternative

  1. no effect
    Average corn and soybean yields did not differ significantly among tillage systems.

    Economic Performance of Alternative Tillage Systems in the Northern Corn Belt · 2009

    Opposite directionCites this paper

  2. no effect
    Tillage systems did not affect maize yield.

    Tillage × Maize Hybrid Interactions · 2006

    Opposite directionCites this paper

  3. no effect
    Cover-crop no-tillage and standard no-tillage gave similar corn yields.

    Potential Long‐Term Benefits of No‐Tillage and Organic Cropping Systems for Grain Production and Soil Improvement · 2007 · compared with NT

    Opposite direction

  4. negative
    No-till produced less corn grain than plow tillage.

    Tillage and Rotation Interactions for Corn and Soybean Grain Yield as Affected by Precipitation and Air Temperature · 2004 · compared with plow

    Opposite direction

  5. no effect
    Tillage had no grain-yield effect in manure or compost plots in three of four years.

    Composted and Noncomposted Manure Application to Conventional and No‐Tillage Systems: Corn Yield and Nitrogen Uptake · 1999

    Opposite direction

  6. negative
    No-tillage corn grain yield was 5% lower than under conventional tillage.

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

    Opposite direction

  7. negative
    Continuous no-till corn on Chalmers soil was 2% wetter at harvest than plowed corn.

    Long‐Term Tillage and Rotation Effects on Corn Growth and Yield on High and Low Organic Matter, Poorly Drained Soils · 1988 · compared with plowing

    Opposite direction

  8. negative
    No-tillage without red clover reduced corn grain yield by 13% versus conventional tillage over three years.

    Red Clover and Tillage Influence on Soil Temperature, Water Content, and Corn Emergence · 1999 · compared with conventional tillage treatment

    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.