Intervention effectmodel-written summary

Autumn NPK before tillage with spring AN gave the highest soybean yields.

A claim from PRINOS SOJE U ZAVISNOSTI OD VREMENA PRIMENE NPK ĐUBRIVA · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Autumn NPK before tillage with spring AN gave the highest soybean yields.

Taxon
soybeanGlycine maxe0
Treatment
applying NPK fertilizer in autumn, before the basic tillage with spring application of nitrogen fertilizer ANe0
Outcome
soybean yieldse0
Direction
higheste0

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

“The highest soybean yields were achieved by applying NPK fertilizer in autumn, before the basic tillage with spring application of nitrogen fertilizer AN”

✓ located verbatim in the source · abstract, characters 259–412

Title

PRINOS SOJE U ZAVISNOSTI OD VREMENA PRIMENE NPK ĐUBRIVA

Vojin Đukic; Jegor Miladinovic; Zlatica Miladinov Mamlic; et al. Zbornik radova 2021. doi:10.46793/sbt26.043dj

Other claims from this paper (3)

Record rev-22dc22aa1f8d6bde390970eaff5041f9d8d78452e9714985445f46b2f6bba81e · 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

263 papers in the same direction as this claim · 100 in the opposite direction · 26 reporting no difference from an alternative

  1. no effect
    Soybean yields were similar under conventional and no tillage.

    Cover crop, tillage, and herbicide effects on weeds, soil properties, microbial populations, and soybean yield · 2003 · compared with NT

    Opposite direction

  2. no effect
    The seedbed tillage method and herbicide treatments did not significantly affect soybean yields in 1976.

    Seedbed Tillage and Herbicide Influence on Soybean (Glycine max) Weed Control and Yield · 1979

    Opposite direction

  3. no effect
    Average no-till yields of soybean were similar to conventional tillage yields.

    Corn/Soybean Rotation Effect as Influenced by Tillage, Nitrogen, and Hybrid/Cultivar · 1991 · compared with CT

    Opposite direction

  4. negative
    Twenty-year mean soybean yield was reduced by 4 to 7% under chisel, ridge and no-till systems in both rotation and monoculture compared with plowing.

    Effect of Tillage and Rotation on Agronomic Performance of Corn and Soybean: Twenty‐Year Study on Dark Silty Clay Loam Soil · 1996 · compared with plowing

    Opposite direction

  5. no effect
    Tillage systems did not significantly affect soybean yield in rotation.

    Tillage for Continuous Corn and Corn-Soybean Rotation · 1982

    Opposite direction

  6. no effect
    Soybean yield was not affected by tillage systems under weed-free conditions.

    Influence of Tillage Systems on Annual Weed Densities and Control in Solid-seeded Soybean (Glycine max) · 1990

    Opposite direction

  7. negative
    No-till yielded 1.1 t ha−1, lower than reduced tillage.

    Weed Control Using Conventional Tillage, Reduced Tillage, No-Tillage, and Cover Crops in Organic Soybean · 2017 · compared with RT

    Opposite direction

  8. negative
    No tillage had reduced grain yields, indicating lower carbon inputs.

    Carbon and Nitrogen Storage are Greater under Biennial Tillage in a Minnesota Corn–Soybean Rotation · 2006

    Opposite direction

381 papers more in this group

See all 390 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 →

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

1,192 papers: 1,021 positive, 171 negative or no effect

1,020 papers in the same direction as this claim · 155 in the opposite direction · 16 reporting no difference from an alternative

  1. no effect
    Applying 200 kg nitrogen fertilizer per hectare gave no further yield gain.

    Nitrogen nutrition of soybean in Brazil: Contributions of biological N2 fixation and N fertilizer to grain yield · 2006

    Opposite direction

  2. no effect
    Foliar fertilization did not significantly affect seed yield.

    Effect of Foliar Fertilization on Photosynthesis, Leaf Nutrition, and Yield of Soybeans1 · 1978

    Opposite direction

  3. negative
    Green manure sometimes reduced soybean yield in plots with weeds.

    Weed Control in Soybean (Glycine max) with Green Manure Crops · 1998

    Opposite direction

  4. no effect
    Fertilizer N treatments did not change soybean seed yield at any of the 12 sites

    In‐Season Fertilizer Nitrogen Applications for Soybean in Minnesota · 2001 · compared with unfertilized control plots

    Opposite direction

  5. no effect
    Inoculated cultivars did not increase N yield under increasing fertilizer N rates.

    Dinitrogen Fixation Measured by 15N Isotope Dilution in Two Canadian Soybean Cultivars1 · 1982

    Opposite direction

  6. no effect
    Soybean yield was similar across production systems and fertilization strategies.

    Normalized Difference Vegetation Index (NDVI) for soybean biomass and nutrient uptake estimation in response to production systems and fertilization strategies · 2023

    Opposite direction

  7. negative
    Rows midway between bands had lower K uptake and productivity than rows over bands.

    Potassium Placement Effects on Yield and Seed Composition of No‐Till Soybean Seeded in Alternate Row Widths · 2003 · compared with soybean rows seeded above the K bands

    Opposite direction

  8. negative
    Fertilizer N decreased soybean yield in two of seven years.

    Crop Rotation Affects Corn, Grain Sorghum, and Soybean Yields and Nitrogen Recovery · 2016

    Opposite direction

1,183 papers more in this group

See all 1,192 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.