Intervention effectmodel-written summary

Maximum corn N rate of 214 lb N/a increased soybean seed yield versus 107 lb N/a.

A claim from Yield Response to Nitrogen Management in a Corn-Soybean Sequence in North Central Kansas – 2021 Season · 2022

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Maximum corn N rate of 214 lb N/a increased soybean seed yield versus 107 lb N/a.

Taxon
soybeanGlycine maxe0
Treatment
corn maximum N rate (214 lb N/a)e0
Outcome
soybean seed yielde0
Direction
positivee0
Comparator
107 lb N/ae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Also, a significant positive soybean seed yield effect with corn maximum N rate (214 lb N/a) with respect to rates of 53 and 107 lb N/a.”

✓ located verbatim in the source · abstract, characters 883–1019

Title

Yield Response to Nitrogen Management in a Corn-Soybean Sequence in North Central Kansas – 2021 Season

A. A. Correndo; O. Lanza Lopez; L. F. A. Almeida; et al. Kansas Agricultural Experiment Station Research Reports 2022. doi:10.4148/2378-5977.8315

Other claims from this paper (9)

Record rev-2b50e9986c45a116504532f4ff4e2f8ba89acf3d63cb83791349bf33d8e12c10 · schema claims-v0.9 · position 9 in the model’s answer

Zea mays subsp. mays · yield · Glycine max (soybean)Results differ

70 papers: 48 positive, 22 negative or no effect

47 papers in the same direction as this claim · 20 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Soybean yields with annually alternating corn and soybean were 15% lower than yields of the first year after several years of the other crop.

    Corn/Soybean Rotation Effect as Influenced by Tillage, Nitrogen, and Hybrid/Cultivar · 1991 · compared with 1st yr of production following several years of the other crop

    Opposite direction

  2. no effect
    Nitrogen at rates up to 360 kg/ha added for the preceding year's corn had no effect on soybean yields.

    Soybean Yields with Direct and Residual Nitrogen Fertilization1 · 1973

    Opposite direction

  3. no effect
    Corn residue removal or addition had no yield effect on soybean.

    Corn Residue Effect on the Yield of Corn and Soybean Grown in Rotation · 1989

    Opposite direction

  4. negative
    Soybean yield in the row bordering corn was 18% lower than in nonborder rows.

    Soil Water, Plant Growth, and Yield of Strip‐Intercropped Corn · 1994 · compared with nonborder rows

    Opposite direction

  5. negative
    Uncontrolled volunteer corn at the lowest density reduced soybean yield by an average of 31%.

    Controlling Volunteer Corn (Zea mays) in Soybeans (Glycine max) with Diclofop and Glyphosate · 1982

    Opposite direction

  6. no effect
    Soybean yields were slightly or not affected by corn N management.

    Footprints of corn nitrogen management on the following soybean crop · 2022

    Opposite direction

  7. negative
    Increasing corn density significantly reduced corn and soybean grain yields.

    Corn-stalk lodging and borer damage as influenced by varying corn densities and planting geometry with soybean (Glycine max. L. Merrill) · 2007

    Opposite direction

  8. no effect
    Corn harvesting systems did not significantly alter soybean production or yield components.

    Soybean Yield, Soil Porosity and Soil Penetration Resistance under Mechanical Scarification in No-Tillage System · 2018

    Opposite direction

61 papers more in this group

See all 70 papers →

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

416 papers: 318 positive, 98 negative or no effect

317 papers in the same direction as this claim · 91 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
    Soybeans relying only on atmospheric nitrogen yielded less than half as much seed as those using nitrate and atmospheric nitrogen in hydroponics.

    Soil and Symbiotic Nitrogen Requirements for Optimum Soybean Production1 · 1974 · compared with plants utilizing both nitrate and atmospheric nitrogen

    Opposite direction

  2. no effect
    Applied nitrogen did not significantly affect grain yield; the observed increase was 39 kg ha−1.

    Nitrogen Application to Soybean at Early Reproductive Development · 2005 · compared with no‐N control

    Opposite direction

  3. negative
    Nitrogen stress during seed development reduced soybean final seed size.

    The Effect of Source-Sink Alterations on Soybean Seed Growth* · 1985

    Opposite direction

  4. no effect
    Soil-applied N or foliar-applied B did not increase soybean seed yield at any rate or application stage.

    Soybean Yield Response to Reproductive Stage Soil‐Applied Nitrogen and Foliar‐Applied Boron · 2001

    Opposite direction

  5. no effect
    With adequate N, nodulated and non-nodulated soybean had similar seed yields.

    Dry Matter Accumulation in Soybean (Glycine max (L) Merrill) Plants As Influenced by N, P, and K Fertilization1 · 1971 · compared with nodulated and non‐nodulated soybeans

    Opposite direction

  6. no effect
    Nitrogen at rates up to 360 kg/ha added for the preceding year's corn had no effect on soybean yields.

    Soybean Yields with Direct and Residual Nitrogen Fertilization1 · 1973

    Opposite direction

  7. negative
    K-polyphosphate mix foliar spraying reduced soybean yield by 10.9% on average over two sites.

    Foliage Injury, Nutrient Intake, and Yield of Soybeans as Influenced by Foliar Fertilization1 · 1980

    Opposite direction

  8. no effect
    Straw treatment, nitrogen timing, and nitrogen rate did not significantly differ in soybean yield.

    Effect of Nitrogen on Nodulation and Yield of Irrigated Soybeans1 · 1971

    Opposite direction

407 papers more in this group

See all 416 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.