Intervention effectmodel-written summary

Urea performed better than other fertilizer forms for grain yield.

A claim from The effect of top dressing fertilizer forms applied at different periods on yield and some yield components in durum wheat varieties · 2025

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Urea performed better than other fertilizer forms for grain yield.

Treatment
urea fertilizere0
Outcome
grain yielde0
Direction
bettere0
Comparator
other fertilizer formse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Triticum turgidum subsp. durum
Triticum turgidum subsp. durum · TaxonSten Porse · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the effect of urea fertilizer is better than other fertilizer forms in terms of grain yield”

✓ located verbatim in the source · abstract, characters 952–1043
e1

“in Burgos, Eyyubi and Hasanbey durum wheat cultivars”

✓ located verbatim in the source · abstract, characters 496–548

Title

The effect of top dressing fertilizer forms applied at different periods on yield and some yield components in durum wheat varieties

Ugur Bilge; Kerim Mesut Çimrin Mustafa Kemal Üniversitesi Tarım Bilimleri Dergisi 2025. doi:10.37908/mkutbd.1546080

Other claims from this paper (5)

Record rev-d8ca06c714df74f0aa58120905ee256044b9d593e820d849f1eb67fa8ce88e2e · schema claims-v0.9 · position 4 in the model’s answer

fertilization · yield · Triticum turgidum (rivet wheat)Results differ

79 papers: 68 positive, 11 negative or no effect

67 papers in the same direction as this claim · 10 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Partial factor productivity fell by an average of 65% at high nitrogen fertilisation.

    Effects of nitrogen rates on grain yield and nitrogen agronomic efficiency of durum wheat genotypes under different environments · 2015

    Opposite direction

  2. no effect
    Increasing nitrogen fertilization from 46 to 86 kg ha −1 did not increase grain yield or grain nitrogen content.

    From seed to bread: variation in quality in a set of old durum wheat cultivars · 2019

    Opposite direction

  3. no effect
    Fertilization did not affect durum wheat yield.

    Organic Versus Conventional Methods of Fertilization and Weed Control in a Long Term Rotation of Cereals in Semiarid Spain · 2011

    Opposite direction

  4. negative
    High N fertilizer rate significantly decreased grain yield of durum wheat under the rainfed regime in years 1 and 2.

    Durum Wheat Genotypic Variation of Yield and Nitrogen use Efficiency and Its Components Under Different Water and Nitrogen Regimes in the Mediterranean Region · 2015 · compared with low

    Opposite direction

  5. no effect
    Low emission fertilization did not reduce crop performance.

    Impact of No Tillage and Low Emission N Fertilization on Durum Wheat Sustainability, Profitability and Quality · 2024

    Opposite direction

  6. no effect
    Nitrogen fertilization did not improve durum wheat yield under late water stress.

    Understanding the effects of site-specific fertilization on yield and protein content in durum wheat · 2013

    Opposite direction

  7. no effect
    N fertilization management did not affect wheat yield.

    Dry sowing reduced durum wheat performance under irrigated conservation agriculture · 2021

    Opposite direction

  8. no effect
    In the environment without yield response, N fertilization did not change grain yield, black point or hectoliter weight of durum wheat.

    Nitrogen dose to maximize grain yield and quality of durum wheat depends on the water availability in Chilean Mediterranean environments · 2023

    Opposite direction

70 papers more in this group

See all 79 papers →

nitrogen · yield · Triticum turgidum (rivet wheat)Positive and negative results

56 papers: 46 positive, 10 negative or no effect

45 papers in the same direction as this claim · 8 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    A higher N rate did not influence wheat growth, yield or N uptake compared with N120

    Nitrogen Application in Winter Wheat Grown in Mediterranean Conditions: Effects on Nitrogen Uptake, Utilization Efficiency, and Soil Nitrogen Deficit · 2007 · compared with N120

    Opposite direction

  2. negative
    Grain yield was reduced by 48.03% on average under low nitrogen compared with optimum nitrogen across genotypes.

    Nitrogen Deficiency Tolerance and Responsiveness of Durum Wheat Genotypes in Ethiopia · 2022 · compared with optimum (ON)

    Opposite direction

  3. no effect
    Tillage type and nitrogen dose had no significant overall differences in wheat grain and straw yields and grain total nitrogen.

    Nitrogen Use Efficiency Using the 15N Dilution Technique for Wheat Yield under Conservation Agriculture and Nitrogen Fertilizer · 2023

    Opposite direction

  4. no effect
    Nitrogen did not affect grain yield or marginal net return.

    Nitrogen Use Efficiency in Durum Wheat (Triticum durum Desf.) Grown under Semiarid Conditions in Algeria · 2022

    Opposite direction

  5. no effect
    Grain yields did not increase with N rates higher than 100 kg N ha−1

    Optimizing inputs for winter durum wheat in Ontario · 2014

    Opposite direction

  6. no effect
    Fertiliser forms and nitrogen doses were ineffective for boosting yield attributes of durum wheat.

    FERTILISATION SOURCE AND DOSE OPTIMISATION BOOST YIELD OF DURUM WHEAT IN MEDITERRANEAN CLIMATIC CONDITIONS · 2021

    Opposite direction

  7. no effect
    Yield did not differ significantly among nitrogen application treatments.

    Durum Wheat Response to Nitrogen Fertilization at Safford Agricultural Center, 2003 · 2003

    Opposite direction

  8. negative
    Increasing nitrogen levels decreased the contribution of dry matter remobilization to grain yield.

    Impacts of Nitrogen Fertilizer and Plant Density Management on Growth, Dry Matter Remobilization and Yield of Durum Wheat · 2011

    Opposite direction

47 papers more in this group

See all 56 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.