Intervention effectmodel-written summary

Low irrigation frequencies did not further reduce wheat yields under deficit irrigation.

A claim from Effects of Deficit Irrigation and Irrigation Frequency on Wheat Yields · 1989

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Low irrigation frequencies did not further reduce wheat yields under deficit irrigation.

Treatment
low irrigation frequenciese0
Outcome
yieldse0
Direction
did not further reducee0

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

“low irrigation frequencies did not further reduce yields under deficit irrigation”

✓ located verbatim in the source · abstract, characters 564–645
t0

“Wheat”

✓ located verbatim in the source · title, characters 58–63

Title

Effects of Deficit Irrigation and Irrigation Frequency on Wheat Yields

Marshall English; Brian Nakamura Journal of Irrigation and Drainage Engineering 1989. doi:10.1061/(asce)0733-9437(1989)115:2(172)

Other claims from this paper (4)

Record rev-925c9eac123554d113d44d7637cac15c35d3a94bc22a00047c97b80586a2f481 · schema claims-v0.9 · position 4 in the model’s answer

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

989 papers: 798 positive, 191 negative or no effect

190 papers in the same direction as this claim · 798 in the opposite direction

  1. positive
    Irrigation improved yield, particularly in the hot dry year.

    Impacts and Limits of Irrigation Water Management on Wheat Yield and Quality · 2017

    Opposite directionCites this paper

  2. positive
    Under deficit irrigation, drip irrigation improved yield over basin irrigation.

    Impact of drip and level-basin irrigation on growth and yield of winter wheat in the North China Plain · 2013 · compared with BI method

    Opposite directionCites this paper

  3. positive
    Wide ridges with 1.0 C.P.E. gave the highest spike number, grains per spike and grain weight.

    EFEECT OF RATIONALIZATION IRRIGATION WATER USE AND RIDGE WIDTH ON WHEAT AND ITS SOME WATER RELATIONS · 2018

    Opposite directionCites this paper

  4. negative
    Saline sprinkler irrigation reduced yield at relatively low salinity levels.

    Water Production Functions of Wheat Irrigated with Saline Water Using Line Source Sprinkler System under the Mediterranean Type Climate · 2014

    Same directionCites this paper

  5. no effect
    Winter wheat irrigation could be reduced by about one third without major yield loss, according to simulation.

    Reducing Irrigation Water Supply to Accomplish the Goal of Designing Sustainable Cropping Systems in the North China Plain · 2007

    Same directionCites this paper

  6. negative
    At AES, deficit irrigation at all growth stages reduced wheat seed yield by 13.6%.

    WHEAT YIELD PERFORMANCE AS INFLUENCED BY DEFICIT IRRIGATION · 2013

    Same directionCites this paper

  7. positive
    Grain yield was higher under sufficient water supply than under drought stress in all cultivars

    Moderate Drought Stress Affected Root Growth and Grain Yield in Old, Modern and Newly Released Cultivars of Winter Wheat · 2017 · compared with drought stress

    Opposite direction

  8. positive
    In field trials, Trichoderma koningii applied to the seed furrow increased spring wheat yield by 65% at Mt. Vernon, WA.

    Combination ofTrichoderma koningiiwith Fluorescent Pseudomonads for Control of Take-all on Wheat · 1996

    Opposite direction

980 papers more in this group

See all 989 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.