Intervention effectmodel-written summary

Five scheduled irrigations improved wheat spike length, spike weight and productive tiller count.

A claim from Yield Attributes and Yield of Wheat Affected by Irrigation Schedules and Varieties under HAT Zone Conditions of Andhra Pradesh, India · 2023

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Five scheduled irrigations improved wheat spike length, spike weight and productive tiller count.

Treatment
five irrigations scheduled at CRI, maximum tillering, jointing, flowering, and milking stagese0
Outcome
Spike length, Spike weight, number of productive tillers m-2e0
Direction
superiore0

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

“The parameters of Spike length, Spike weight, number of productive tillers m-2, number of grains spike-1, number of filled grains spike-1, 1000 grain weight, grain yield, straw yield, biological yield, and harvest index were found to be superior with five irrigations scheduled at CRI, maximum tillering, jointing, flowering, and milking stages.”

✓ located verbatim in the source · abstract, characters 868–1213
t0

“Wheat”

✓ located verbatim in the source · title, characters 30–35

Title

Yield Attributes and Yield of Wheat Affected by Irrigation Schedules and Varieties under HAT Zone Conditions of Andhra Pradesh, India

P. V. S. Ramunaidu; D. Sekhar; A. Sowjanya; et al. International Journal of Environment and Climate Change 2023. doi:10.9734/ijecc/2023/v13i92515

Other claims from this paper (12)

Record rev-c3c7891bd34974e08335d22fc3ef933be56ba57359ee7f3a61ecb53e5e844909 · schema claims-v0.9 · position 1 in the model’s answer

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

160 papers: 95 positive, 65 negative or no effect

94 papers in the same direction as this claim · 63 in the opposite direction · 2 reporting no difference from an alternative

  1. positive
    The I7 irrigation schedule gave the maximum effective tillers at harvest, 94.66.

    Effect of irrigation scheduling on the growth and yield of wheat genotypes · 2015

    Same directionCited by this paper

  2. negative
    Heat from 15 days after anthesis reduced wheat grain yield by 18%.

    Yield Components of Wheat Grown under High Temperature Stress during Reproductive Growth · 1999

    Opposite direction

  3. negative
    Flowering heat reduced main-spike seed number by 15.4%.

    Quantifying the Impact of Heat Stress on Pollen Germination, Seed Set, and Grain Filling in Spring Wheat · 2019 · compared with control

    Opposite direction

  4. negative
    Water stress at both stages severely reduced yield and yield components.

    Growth And Yield Components Of Wheat Under Water Stress Of Different Growth Stages · 1970

    Opposite direction

  5. no effect
    Continuous late high temperature did not negatively affect grain yield.

    Effect of the Duration and Intensity of Heat Shock During Grain Filling on Dry Matter and Protein Accumulation, Technological Quality and Protein Composition in Bread and Durum Wheat · 1997

    Opposite direction

  6. negative
    Waterlogging at the earliest growth stage gave the greatest reduction in root, herbage and grain yield.

    Effect of waterlogging on the growth, grain and straw yield of wheat, barley and oats · 1976

    Opposite direction

  7. negative
    Early water deficit reduced wheat grain weight by 10%.

    NUTRIENT UPTAKE, PHYSIOLOGICAL RESPONSES, AND YIELD ATTRIBUTES OF WHEAT (TRITICUM AESTIVUML.) EXPOSED TO EARLY AND LATE DROUGHT STRESS · 2012

    Opposite direction

  8. no effect
    An IW/PAN-E ratio of 0.75 produced as much grain yield as irrigation at five growth stages.

    Comparison of Irrigation Schedules Based on Pan Evaporation and Growth Stages in Winter Wheat1 · 1976 · compared with irrigation at five growth stages

    Opposite direction

151 papers more in this group

See all 160 papers →

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
    Five irrigations produced the highest grain yield, 5696.8 kg ha -1, above all other levels.

    Effect of different levels of irrigation on yield and yield components of wheat cultivars. · 2010 · compared with all the other irrigation levels

    Same directionCited by this paper

  2. positive
    The I7 irrigation schedule gave the maximum effective tillers at harvest, 94.66.

    Effect of irrigation scheduling on the growth and yield of wheat genotypes · 2015

    Same directionCited by this paper

  3. positive
    One irrigation at CRI gave the highest spike length of 8.37 cm.

    Effect of seed rate and irrigation level on the performance of wheat cv. Gourab · 1970

    Same directionCited by this paper

  4. positive
    Two irrigations at CRI and boot leaf stage gave maximum number of effective tillers (314.56 m-2), superior to other irrigation levels.

    Effect of restricted irrigation levels on yield attributes and yield of various varieties of wheat (Triticum aestivum L.). · 2019 · compared with rest of the irrigation levels

    Same directionCited by this paper

  5. 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

  6. 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

  7. 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

  8. 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

980 papers more in this group

See all 989 papers →

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

1,414 papers: 1,116 positive, 298 negative or no effect

1,115 papers in the same direction as this claim · 257 in the opposite direction · 41 reporting no difference from an alternative

  1. positive
    Five irrigations produced the highest grain yield, 5696.8 kg ha -1, above all other levels.

    Effect of different levels of irrigation on yield and yield components of wheat cultivars. · 2010 · compared with all the other irrigation levels

    Same directionCited by this paper

  2. positive
    The I7 irrigation schedule gave the maximum effective tillers at harvest, 94.66.

    Effect of irrigation scheduling on the growth and yield of wheat genotypes · 2015

    Same directionCited by this paper

  3. negative
    No N application at tillering stage decreased spikes number per m2 and seeds per spike.

    Wheat yield and grain protein response to nitrogen amount and timing. · 2011

    Opposite direction

  4. negative
    Grain yield under stress during tillering and jointing was 27% lower than under the nonstressed treatment I‐1.

    Winter Wheat Response to Nitrogen and Irrigation · 1988 · compared with nonstressed (I‐1)

    Opposite direction

  5. negative
    NT likely decreased wheat yield.

    The impacts of conservation agriculture on crop yield in China depend on specific practices, crops and cropping regions · 2014

    Opposite direction

  6. no effect
    Tillage treatments had no residual effect on subsequent sunflower and wheat yields.

    Tillage and Residue Effects on Wheat, Sorghum, and Sunflower Grown in Rotation · 1984

    Opposite direction

  7. no effect
    Tillage system had no significant wheat yield effect from 1977 to 2016.

    Long-term effects of crop succession, soil tillage and climate on wheat yield and soil properties · 2019

    Opposite direction

  8. no effect
    Wheat grain yield was unaffected by tillage and cover crop management.

    Crop and cattle responses to tillage systems for integrated crop–livestock production in the Southern Piedmont, USA · 2007

    Opposite direction

1,405 papers more in this group

See all 1,414 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.