Intervention effectmodel-written summary

These later sequences had significantly lower yield attributes and yield.

A claim from Efficacy of Isoproturon in Relation to Irrigation and Top Dressing of Nitrogen in Wheat · 1998

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

These later sequences had significantly lower yield attributes and yield.

Treatment
Irrigation (25 DAS) fb top dressing of nitrogen (30 DAS) fb isoproturon 1.0 kg/ha (35 DAS) and irrigal ion (25 DAS) fb isoproturon 1.0 kg/ha fb top dressing of nitrogene1
Outcome
yield attributes and yielde0
Direction
lowere0

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

“recorded significantly lower values of all the yield attributes and yield”

✓ located verbatim in the source · abstract, characters 926–999
t0

“Wheat”

✓ located verbatim in the source · title, characters 82–87
e1

“Irrigation (25 DAS) fb top dressing of nitrogen (30 DAS) fb isoproturon 1.0 kg/ha (35 DAS) and irrigal ion (25 DAS) fb isoproturon 1.0 kg/ha fb top dressing of nitrogen”

✓ located verbatim in the source · abstract, characters 680–848

Title

Efficacy of Isoproturon in Relation to Irrigation and Top Dressing of Nitrogen in Wheat

J. P. Saini; N. N. Angiras Indian Journal of Weed Science 1998

Other claims from this paper (5)

Record rev-1e23b6d8d51322eb4bb97cbac5af38bdc92d4e4d841ebbf8b1e74031e69e48aa · schema claims-v0.9 · position 6 in the model’s answer

isoproturon · yield · Triticum aestivum (wheat)Results differ

89 papers: 75 positive, 14 negative or no effect

14 papers in the same direction as this claim · 74 in the opposite direction

  1. positive
    Isoproturon produced maximum tillers, grain weight, biological yield and grain yield.

    STUDY OF VARIOUS HERBICIDES FOR WEED CONTROL IN WHEAT UNDER IRRIGATED CONDITIONS · 2008

    Opposite direction

  2. positive
    Post-emergence isoproturon gave the maximum grain plus straw yield, up to the level of weed-free control

    Comparative efficacy of different post-Emergence herbicides in wheat (Triticum aestivum L.). · 2012 · compared with weed-free control

    Opposite direction

  3. positive
    Isoproturon produced the maximum tiller density of 250 m-2.

    Comparative Efficacy of Different Herbicides for Weed Management and Yield Attributes in Wheat · 2013 · compared with weedy check

    Opposite direction

  4. positive
    The isoproturon-sulfosulfuron mix had highest grain yield of 58 q/ha.

    Effect of herbicides and nutrient management on weed flora, nutrient uptake and yield of wheat (Triticum aestivum) under irrigated conditions. · 2010 · compared with all other treatments

    Opposite direction

  5. positive
    Isoproturon 750 g ha−1 with metsulfuron methyl 4 g ha−1 gave significantly higher grain yield of 4974 kg ha−1.

    Influence of Herbicides and Methods of Sowing on Weed Dynamics in Wheat (Triticum aestivum L.) · 2003

    Opposite direction

  6. positive
    Isoproturon improved wheat yield relative to the listed single herbicides.

    Evaluation of Herbicides for Control of Rumex dentatus, Convolvulus arvensis and Malva parviflora · 2007 · compared with carfentrazone 20 g, metsulfuron 4.0 g or 2,4-D 500 g/ha

    Opposite direction

  7. positive
    Isoproturon at 175 g a.i. ha-1 with Bio-enhancer at 400 mL ha-1 gave the highest productive tillers, plant height and 1000-grain weight of wheat.

    Effect of Isoproturon With and Without Adjuvants on Photosynthetic Attributes of Wheat and Its Associated Weeds · 2020

    Opposite direction

  8. positive
    Isoproturon plus 2,4-D yielded higher mean grain yield.

    Weed management in late sown wheat (Triticum aestivum) after rice (Oryza sativa) in rice-wheat system in rainfed lowland · 2001

    Opposite direction

80 papers more in this group

See all 89 papers →

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

989 papers: 798 positive, 191 negative or no effect

191 papers in the same direction as this claim · 797 in the opposite direction

  1. 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

  2. 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

  3. positive
    One third full irrigation significantly increased wheat yield.

    Stabilizing Rainfed Wheat Yields with Supplemental Irrigation and Nitrogen in a Mediterranean Climate · 1998

    Opposite direction

  4. positive
    Doubling irrigated land by 2035 with crop intensification could increase wheat production and make Egypt self-sufficient in the near future.

    Can Egypt become self-sufficient in wheat? · 2018

    Opposite direction

  5. positive
    irrigation at jointing and at jointing plus anthesis improved grain yield by an average of 12.79 and 18.65% across three cropping seasons, respectively, compared with no irrigation

    Effect of irrigation and nitrogen application on grain amino acid composition and protein quality in winter wheat · 2017 · compared with no irrigation

    Opposite direction

  6. positive
    Each additional 60 mm irrigation increased simulated crop yield by 1.2 t ha −1.

    Modeling Wheat and Maize Productivity as Affected by Climate Variation and Irrigation Supply in North China Plain · 2010

    Opposite direction

  7. positive
    Frequent small irrigations significantly improved biomass yield.

    Assessment of the AquaCrop Model for Use in Simulation of Irrigated Winter Wheat Canopy Cover, Biomass, and Grain Yield in the North China Plain · 2014

    Opposite direction

  8. positive
    Extra irrigation increased wheat yield in Sudan and Mexico.

    Wheat Management in Warm Environments: Effect of Organic and Inorganic Fertilizers, Irrigation Frequency, and Mulching · 1999

    Opposite direction

980 papers more in this group

See all 989 papers →

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

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

324 papers in the same direction as this claim · 1,736 in the opposite direction

  1. 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

  2. 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

  3. 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

  4. 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

  5. positive
    LCC-based N management gave 19 to 31% higher net returns than fixed-time N application in rice-wheat cropping.

    Calibrating the Leaf Color Chart for Nitrogen Management in Different Genotypes of Rice and Wheat in a Systems Perspective · 2004 · compared with fixed‐time N application

    Opposite direction

  6. positive
    Plant height, plant number per m2 and spikes per m2 were maximal at 200 kg N/ha.

    Bread wheat varieties as influenced by different nitrogen levels · 2005

    Opposite direction

  7. positive
    In 1990, nitrogen application at growth stage 10 yielded more grain than application at stage 4 or 6.

    Nitrogen Fertilization Timing Effect on Wheat Production, Nitrogen Uptake Efficiency, and Residual Soil Nitrogen · 1993 · compared with application at GS 4 or 6

    Opposite direction

  8. positive
    Bioactive sulfur urea with the same N (130 kg N ha-1) increased wheat partial factor productivity to 43.85 kg grain per kg N supplied.

    Slow-release nitrogen fertilizers enhance growth, yield, NUE in wheat crop and reduce nitrogen losses under an arid environment · 2021

    Opposite direction

2,052 papers more in this group

See all 2,061 papers →

3 of 4 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.