Intervention effectmodel-written summary

Combined rates did not significantly influence tiller measures or thousand grain weight.

A claim from Response of Nitrogen Fertilizer and Seed Rates on Growth, Yield and Yield Components of Irrigated Bread Wheat in the lowlands of Eastern and South Eastern of Oromia, Ethiopia · 2023

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Combined rates did not significantly influence tiller measures or thousand grain weight.

Taxon
bread wheatTriticum aestivume1
Treatment
nitrogen and seed ratese1
Outcome
total tiller per plant, effective tiller per plant and thousand grain weighte0
Direction
not influencede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“significantly not influenced total tiller per plant, effective tiller per plant and thousand grain weight.”

✓ located verbatim in the source · abstract, characters 1565–1671
e1

“The combined effects of nitrogen and seed rates significantly influenced the irrigated bread wheat growth parameters.”

✓ located verbatim in the source · abstract, characters 1105–1222
t0

“Nitrogen Fertilizer and Seed Rates on Growth, Yield and Yield Components of Irrigated Bread Wheat”

✓ located verbatim in the source · title, characters 12–109

Title

Response of Nitrogen Fertilizer and Seed Rates on Growth, Yield and Yield Components of Irrigated Bread Wheat in the lowlands of Eastern and South Eastern of Oromia, Ethiopia

Alemayehu Biri; Fikadu Tadesse; Girma Mengistu; et al. International Journal of Agricultural and Life sciences 2023. doi:10.22573/spg.ijals.023.s122000115

Other claims from this paper (9)

Record rev-a0fcf60e1f42c0be24645f3c192f00058dc47ce2e23e176530ef8295a7ca473f · schema claims-v0.9 · position 7 in the model’s answer

density · yield · Triticum aestivum (wheat)Positive and negative results

498 papers: 376 positive, 122 negative or no effect

121 papers in the same direction as this claim · 376 in the opposite direction

  1. positive
    Increasing seed rate to 525 seeds per square metre increased spikes per square metre.

    Growth and Yield Response of Facultative Wheat to Winter Sowing, Freezing Sowing and Spring Sowing at Different Seeding Rates · 2006

    Opposite directionCited by this paper

  2. positive
    A 150 kg ha −1 seed rate and 96–69 kg ha −1 NP fertilizer yielded the highest grain yield, 3.70 t ha −1.

    Growth and yield components of bread wheat as affected by seed and nitrogen‐phosphorous fertilizer rates in Burie District, Northwestern Ethiopia · 2024

    Opposite directionCites this paper

  3. positive
    At Metema, 276 kg N ha–1 with 225 kg ha–1 seed rate gave the highest grain yield, 5178 kg ha− 1.

    Nitrogen and seeding rate optimization for bread wheat (Triticum aestivum L.) under irrigation in Metema and Belesa, Northwestern Ethiopia · 2026

    Opposite directionCites this paper

  4. positive
    The 150 kg ha −1 seed by 150 kg ha −1 fertilizer interaction gave higher tiller number and grain yield than the other treatments

    The Effect of Seed and Blended Fertilizer Rates on Crop Performance, Fertilizer Use Efficiency, and Economic Benefit of Bread Wheat in Western Ethiopia · 2026 · compared with the other treatments

    Opposite directionCites this paper

  5. no effect
    Nitrogen level, N timing and seeding rate had no significant effect on spring wheat grain yield across environments.

    Seeding Rate and Nitrogen Management Effects on Spring Wheat Yield and Yield Components · 2007

    Same directionCited by this paper

  6. positive
    Grain yield was maintained despite large reductions in wheat plant density.

    The physiological response of winter wheat to reductions in plant density · 2000

    Opposite direction

  7. positive
    A 160-fold density increase produced a threefold grain yield increase.

    Patterns of tillering and grain production of winter wheat at a wide range of plant densities. · 1978 · compared with 5-800 plants/m2

    Opposite direction

  8. positive
    High nitrogen application and planting density significantly increased wheat spike density.

    High nitrogen application rate and planting density reduce wheat grain yield by reducing filling rate of inferior grain in middle spikelets · 2020

    Opposite direction

489 papers more in this group

See all 498 papers →

nitrogen · yield · Triticum aestivum (wheat)Positive and negative results

2,061 papers: 1,737 positive, 324 negative or no effect

323 papers in the same direction as this claim · 1,737 in the opposite direction

  1. positive
    Increasing N rate positively affected grain and biomass yields.

    Response of rainfed bread and durum wheat to source, level, and timing of nitrogen fertilizer on two ethiopian vertisols. I. Yield and yield components · 1995

    Opposite directionCited by this paper

  2. positive
    A 150 kg ha −1 seed rate and 96–69 kg ha −1 NP fertilizer yielded the highest grain yield, 3.70 t ha −1.

    Growth and yield components of bread wheat as affected by seed and nitrogen‐phosphorous fertilizer rates in Burie District, Northwestern Ethiopia · 2024

    Opposite directionCites this paper

  3. positive
    Growth and yield components increased with nitrogen rate up to 276 kg ha− 1 in both locations.

    Nitrogen and seeding rate optimization for bread wheat (Triticum aestivum L.) under irrigation in Metema and Belesa, Northwestern Ethiopia · 2026

    Opposite directionCites this paper

  4. no effect
    Nitrogen level, N timing and seeding rate had no significant effect on spring wheat grain yield across environments.

    Seeding Rate and Nitrogen Management Effects on Spring Wheat Yield and Yield Components · 2007

    Same directionCited by this paper

  5. positive
    At the site with little water deficit, high nitrogen increased dry grain yield from 607 to 798 g/m2.

    'Haying-off', the negative grain yield response of dryland wheat to nitrogen fertiliser. I. Biomass, grain yield, and water use · 1998 · compared with low-N control crop

    Opposite direction

  6. positive
    Applying 30 kg N ha −1 at SPAD 42 at maximum tillering increased wheat yield by 20%.

    Chlorophyll Meter– and Leaf Color Chart–Based Nitrogen Management for Rice and Wheat in Northwestern India · 2002

    Opposite direction

  7. positive
    The highest wheat grain yield was achieved with 160 kg N per ha plus 30 Mg compost per ha.

    Effect of Organic and Inorganic Fertilizers on Grain Yield and Protein Banding Pattern of Wheat · 2010

    Opposite direction

  8. positive
    Nitrogen raised wheat grain number per square meter from 16 700 to 20 600.

    Effects of nitrogen on crop development and grain growth of winter wheat in relation to assimilation and utilization of assimilates and nutrients. · 1978

    Opposite direction

2,052 papers more in this group

See all 2,061 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.