Intervention effectmodel-written summary

Irrigation was the main cause of increased yield in both wheat cultivars.

A claim from Main Stem and Tiller Contribution to Wheat Cultivars Yield Under Different Irrigation Regimes · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation was the main cause of increased yield in both wheat cultivars.

Treatment
irrigatione1
Outcome
yielde1
Direction
increasede1
Comparator
normal field conditionse2
Setting
Londrina, PR, Brazile2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier

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

e1

“Main stem grain yield responded positively and significantly to irrigation which was the main cause of increased yield in both cultivars”

✓ located verbatim in the source · abstract, characters 701–837
e2

“The present study was carried out to determine the contribution of main stems and tillers to the total yield of two wheat cultivars (Triticum aestivum L.), Cocoraque and BH-1146, under two water treatments: a) normal field conditions, and; b) irrigation, in Londrina, PR, Brazil.”

✓ located verbatim in the source · abstract, characters 0–279

Title

Main Stem and Tiller Contribution to Wheat Cultivars Yield Under Different Irrigation Regimes

Deonisio Destro; Édison Miglioranza; Carlos Alberto Arrabal Arias; et al. Brazilian Archives of Biology and Technology 2001. doi:10.1590/s1516-89132001000400001

Other claims from this paper (3)

Record rev-bbbd8a9bf2dc7c0b6c895394f519ffc5b6b16b16491390ebd43035dcb02bacd6 · schema claims-v0.9 · position 3 in the model’s answer

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

989 papers: 798 positive, 191 negative or no effect

797 papers in the same direction as this claim · 184 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Wheat yield increased with irrigation number in normal-rainfall years.

    Influence of Different Levels of Irrigation and Nitrogen on Yield and Nutrient Uptake by Wheat1 · 1979

    Same directionCited by this paper

  2. negative
    Minimum irrigation lowered average winter wheat yield by 14% versus full irrigation.

    Performance of Double‐Cropped Winter Wheat–Summer Maize under Minimum Irrigation in the North China Plain · 2006 · compared with fully irrigated treatment (FI)

    Opposite direction

  3. no effect
    Moderately saline water substituted for good quality water during part of the season maintained total wheat grain yield.

    Time of Salt Stress Affects Growth and Yield Components of Irrigated Wheat · 1994 · compared with good quality water

    Opposite direction

  4. negative
    Saline irrigation caused soil salinization and reduced wheat growth and yield.

    Effect of Straw Biochar on Soil Properties and Wheat Production under Saline Water Irrigation · 2019

    Opposite direction

  5. negative
    Deficit irrigation in salt-affected soil reduced wheat productivity.

    Collaborative Impact of Compost and Beneficial Rhizobacteria on Soil Properties, Physiological Attributes, and Productivity of Wheat Subjected to Deficit Irrigation in Salt Affected Soil · 2022

    Opposite direction

  6. negative
    Wastewater irrigation decreased plant height, leaf area and grain yield in wheat.

    Effect of Wastewater Irrigation on Photosynthesis, Growth, and Anatomical Features of Two Wheat Cultivars (Triticum aestivum L.) · 2020

    Opposite direction

  7. no effect
    An additional 33 mm of irrigation did not increase grain yield.

    Source–sink balance and manipulating sink–source relations of wheat indicate that the yield potential of wheat is sink-limited in high-rainfall zones · 2010

    Opposite direction

  8. no effect
    DI water saving had no effect on wheat yield.

    Yield and water productivity of maize and wheat under deficit and raised bed irrigation practices in Egypt · 2012

    Opposite direction

980 papers more in this group

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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.