Intervention effectmodel-written summary

Drone applied nano urea produced straw yield of 7067 kg ha-1 in direct seeded rice.

A claim from Effect of different doses and method of application of nitrogen fertilizers on growth, yield and economics of wet direct seeded rice · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Drone applied nano urea produced straw yield of 7067 kg ha-1 in direct seeded rice.

Treatment
NCU 75% basal + foliar spray of nano urea @ 4 ml l-1 by drone at AT and PIe0
Outcome
straw yielde0
Value
7067 kg ha-1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“The results revealed that the application of NCU 75% basal + foliar spray of nano urea @ 4 ml l-1 by drone at AT and PI found to be more productive in terms of plant height (104.1 cm), number of tillers m-2 (411), number of productive tillers m-2 (376), dry matter production (11122 kg ha-1), leaf area (1247.4), panicle weight (5.2 g) and number of filled grains panicle-1 (159) resulting in higher grain yield (6467 kg ha-1) and straw yield (7067 kg ha-1).”

✓ located verbatim in the source · abstract, characters 899–1357
t0

“Effect of different doses and method of application of nitrogen fertilizers on growth, yield and economics of wet direct seeded rice”

✓ located verbatim in the source · title, characters 0–132

Title

Effect of different doses and method of application of nitrogen fertilizers on growth, yield and economics of wet direct seeded rice

Anitta David; Mangal Deep Tuti; K Bhanu Rekha; et al. International Journal of Research in Agronomy 2024. doi:10.33545/2618060x.2024.v7.i8f.1314

Other claims from this paper (9)

Record rev-e27fbffbd3cdd8be64ef93298231191e2153196030ea832060d822e47e746132 · schema claims-v0.9 · position 9 in the model’s answer

botanical · yield · Oryza sativa (rice)Results differ

208 papers: 193 positive, 15 negative or no effect

192 papers in the same direction as this claim · 11 in the opposite direction · 4 reporting no difference from an alternative

  1. negative
    Watering rice with W. trilobata extract reduced plant height, tillers and root activity.

    Allelopathic Potentials of Wedelia trilobata L. on Rice · 2004

    Opposite direction

  2. no effect
    Brown algae liquid extract had no significant effect on rice growth and yield in media with 50% or 100% inorganic fertilizer.

    Growth and yield of rice plants (Oryza sativa) grown in soil media containing several doses of inorganic fertilizers and sprayed with lombok brown algae extracts · 2020

    Opposite direction

  3. negative
    With 3.5% extract, rice yield components decreased.

    Bioactive substance use of leaf extract of piper caninum blume pressing for blas disease and increase production in rice · 2018

    Opposite direction

  4. no effect
    Neem oil alone did not significantly affect rice yield.

    Ovicidal and ovipositional effects of neem (Azadirachta indicaA. Juss.) extracts on rice bug,Leptocorisa chinensis(Dallas) · 2005

    Opposite direction

  5. negative
    Using extracts reduced yield characteristics and components of rice, with Elderberry extract showing the highest negative effect.

    The impact of two bacterial species and five aqueous plant extracts on yield and yield components of rice (Oryza sativa L.) and surof (Echinochloa crus-galli L.) · 2023

    Opposite direction

  6. no effect
    Rice straw powder alone had no significant negative effect on rice tillers, height, biomass or yield.

    Control of weeds and rice sheath blight disease in paddy fields by rice chaff and duckweeds ( Lemna spp.) · 2003

    Opposite direction

  7. no effect
    Liquid extracts of Sargassum crassifolium and Sargassum polycistum did not influence growth and yield of rice.

    The evidence suggesting that Turbinaria murayana extract induce remobilization of macromolecule from leave to grain of rice plants · 2019

    Opposite direction

  8. no effect
    Rice plant height and tillers did not differ significantly among the chert powder, urea and ammonium sulfate treatments.

    PROVISION OF CHERT AS A SOURCE OF SILICONE (SI) FOR THE GROWTH AND YIELD OF RICE (ORYAMMONIUM SULFATE SATIVA L.) TO SUPPORT A SUSTAINABLE CULTIVATION SYSTEM · 2020 · compared with control

    Opposite direction

199 papers more in this group

See all 208 papers →

nanoparticle · yield · Oryza sativa (rice)Positive and negative results

202 papers: 189 positive, 13 negative or no effect

188 papers in the same direction as this claim · 11 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    CeO 2 NPs reduced rice grain yield by 16.2% under heat waves.

    Heat Waves Coupled with Nanoparticles Induce Yield and Nutritional Losses in Rice by Regulating Stomatal Closure · 2024

    Opposite direction

  2. no effect
    With Sesbania, 0.2% nano ZnO-coated urea gave statistically equivalent yield and micronutrient loading in edible tissues.

    Interplay between nano zinc oxide-coated urea and summer green manuring in basmati rice under basmati rice-wheat cropping system: implications on yield response, nutrient acquisition and grain fortification · 2023

    Opposite direction

  3. negative
    65 kg ha –1 plus nano urea foliar sprays reduced rice grain yield by 9.4 %.

    Relative performance of granulated and nano urea on productivity and nitrogen use efficiency of wheat–rice sequence · 2024

    Opposite direction

  4. no effect
    Nano Fe2O3 did not significantly improve grain or straw yield.

    Influence of iron nanoparticles on rice (Oryza sativa) plant growth and yields · 2023

    Opposite direction

  5. negative
    NP-treated urea reduced rice yield by 5.6% against untreated urea in 2014.

    Rice Grain Yield and Nitrogen Uptake as Affected by Urea Amendment and Rainfall Timing · 2017 · compared with untreated urea

    Opposite direction

  6. negative
    Omitting NP resulted in rice cultivation losses.

    Nutrient omission plot technique for yield response, indigenous nutrient supply and nutrient use efficiency estimation of rice (Oryza sativa L.) crop in Andaman & Nicobar Islands · 2019

    Opposite direction

  7. no effect
    NP-2000 did not significantly affect stem length or tiller numbers.

    Effect of a New Regulator NP-2000 on Primary Physiological Characteristics of the Rice Seedlings · 2007

    Opposite direction

  8. negative
    Nitrapyrin-treated urea reduced rice yield by 5.6% relative to untreated urea in 2014.

    Rice Grain Yield and Nitrogen Uptake and Ammonia Volatilization from Urea as Affected by Urea Amendment and Simulated Rainfall · 2015 · compared with untreated urea

    Opposite direction

193 papers more in this group

See all 202 papers →

application · yield · Oryza sativa (rice)Positive and negative results

691 papers: 645 positive, 46 negative or no effect

644 papers in the same direction as this claim · 37 in the opposite direction · 9 reporting no difference from an alternative

  1. negative
    Traditional soaking reduced kernel yield of direct seeded rice compared with control.

    Enhancing the Performance of Direct Seeded Fine Rice by Seed Priming · 2006 · compared with control

    Opposite direction

  2. no effect
    Foliar-applied Zn, I, Fe or Se did not affect rice grain yield.

    Simultaneous Biofortification of Rice With Zinc, Iodine, Iron and Selenium Through Foliar Treatment of a Micronutrient Cocktail in Five Countries · 2020 · compared with local control (LC)

    Opposite direction

  3. no effect
    Foliar silicon had no significant effect on plant height, harvest index or number of kernels of rice.

    Effect of Foliar Application of Silicon on Yield and Quality of Rice (Oryza Sativa L) · 2013

    Opposite direction

  4. negative
    Foliar Zn application at a late stage was not as effective as soil application in increasing yield attributes and yield of rice.

    Relative Efficiency of Zinc-Coated Urea and Soil and Foliar Application of Zinc Sulphate on Yield, Nitrogen, Phosphorus, Potassium, Zinc and Iron Biofortification in Grains and Uptake by Basmati Rice (Oryza sativa L.) · 2015 · compared with soil application

    Opposite direction

  5. negative
    Foliar spray decreased grain yield.

    Suppression of methane fluxes from flooded paddy soil with rice plants by foliar spray of nitrogen fertilizers · 1992

    Opposite direction

  6. negative
    Foliar spray of urea gave the lowest yield components and yield in this study.

    Response of Transplanted Rice to Different Application Methods of Urea Fertilizer · 2009

    Opposite direction

  7. no effect
    The number of foliar phytohormone sprays made no significant difference to yield.

    Rice yield improvement by foliar application of phytohormone · 2014

    Opposite direction

  8. no effect
    Foliar nutrient application did not significantly affect 1,000-grain weight in rice.

    Effects of Foliar Application of Liquid Fertilizer on Agronomical and Physiological Traits of Rice (Oryza sativa L.) · 2020

    Opposite direction

682 papers more in this group

See all 691 papers →

3 of 5 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.