Intervention effectmodel-written summary

Spring NPK and AN increased yield, less than autumn application.

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

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Spring NPK and AN increased yield, less than autumn application.

Taxon
soybeanGlycine maxe1
Treatment
Spring application of NPK fertilizers and ANe0
Outcome
yielde0
Direction
increasese0
Comparator
autumn applicatione0

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

“Spring application of NPK fertilizers and AN increases the yield, but the effect of fertilizers is significantly less compared to autumn application”

✓ located verbatim in the source · abstract, characters 414–562
e1

“The aim of this research is to examine the impact of NPK fertilizer application in the autumn and spring period on the level of soybean yield”

✓ located verbatim in the source · abstract, characters 116–257

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-c8fecfc6d1eec2865b90961ef636e6f1a321e2aa12725727910c94cbae4d83ca · schema claims-v0.9 · position 2 in the model’s answer

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.