Intervention effectmodel-written summary

Straw treatment, nitrogen timing, and nitrogen rate did not significantly differ in soybean yield.

A claim from Effect of Nitrogen on Nodulation and Yield of Irrigated Soybeans1 · 1971

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Straw treatment, nitrogen timing, and nitrogen rate did not significantly differ in soybean yield.

Taxon
SoybeansGlycine maxt0
Treatment
straw treatment, timing, or rate of application of nitrogene0
Outcome
yielde0
Direction
no significant differencese0

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

“there were no significant differences in yield due to straw treatment, timing, or rate of application of nitrogen”

✓ located verbatim in the source · abstract, characters 1023–1136
t0

“Soybeans”

✓ located verbatim in the source · title, characters 56–64

Title

Effect of Nitrogen on Nodulation and Yield of Irrigated Soybeans1

Benjamin H. Beard; Richard M. Hoover Agronomy Journal 1971. doi:10.2134/agronj1971.00021962006300050051x

Other claims from this paper (5)

Record rev-9ddf424c91ad99ca69f1e2423c52328f7868296ff7205afb30b3047448c2190c · schema claims-v0.9 · position 6 in the model’s answer

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

416 papers: 318 positive, 98 negative or no effect

97 papers in the same direction as this claim · 318 in the opposite direction

  1. positive
    Late-season N significantly increased soybean yield at six of eight sites by an average 6.9 bu/acre or 11.8 %.

    Effects of Late‐Season Nitrogen Fertilizer on Irrigated Soybean Yield And Composition · 1998

    Opposite directionCites this paper

  2. positive
    Polymer-coated urea increased soybean seed yield by less than 0.06 Mg ha-1 in the combined analysis

    In‐Season Fertilizer Nitrogen Applications for Soybean in Minnesota · 2001

    Opposite directionCites this paper

  3. positive
    Nitrogen at R5 was the most reliable time for increasing grain yield.

    Nitrogen Fertilizer Effects on Soybean Growth, Yield, and Seed Composition · 1993

    Opposite directionCites this paper

  4. positive
    Nitrogen application of 60 to 70 kg ha-1 maximized yield and R1 dry matter accumulation of soybean.

    Nitrogen Application Increases Yield and Early Dry Matter Accumulation in Late‐Planted Soybean · 2005

    Opposite directionCites this paper

  5. positive
    Higher nitrogen application with inoculation increased soybean bean yield.

    Effects of Inoculation and Nitrogen Fertilizer on Soybean in Western Nigeria · 1975

    Opposite directionCites this paper

  6. positive
    The combination of 100 kg ha-1 urea with or without microbes produced the highest productivity of soybean.

    Nitrogen Fertilizer and Microbial Inoculations Determined the Nutrient Uptake and Productivity of Soybean · 2020

    Opposite directionCites this paper

  7. positive
    Side-dressed urea at R1 increased crop yield in nitrogen-deficient plots.

    Identification of Nitrogen-Deficient Soybeans Facilitates Yield Rescue · 2025

    Opposite directionCites this paper

  8. 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

    Same directionCites this paper

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.