Intervention effectmodel-written summary

100% NPK + 7.5 g ZnO Nps/ha gave the highest grain yield of rice.

A claim from Effect of zinc oxide nanoparticles embedded NPK fertilizer on growth, yield and zinc concentration and uptake of aromatic rice (Oryza sativa) · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

100% NPK + 7.5 g ZnO Nps/ha gave the highest grain yield of rice.

Taxon
Oryza sativaOryza sativat0
Treatment
100% NPK + 7.5 g ZnO Nps/hae2
Outcome
grain yielde2
Direction
higheste2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

t0

“aromatic rice (Oryza sativa)”

✓ located verbatim in the source · title, characters 113–141
e2

“As highest grain yield was recorded with application of 100% NPK + 7.5 g ZnO Nps/ha”

✓ located verbatim in the source · abstract, characters 236–319

Title

Effect of zinc oxide nanoparticles embedded NPK fertilizer on growth, yield and zinc concentration and uptake of aromatic rice (Oryza sativa)

KIRTTIRANJAN BARAL; DINESH KUMAR; YASHBIR SINGH SHIVAY The Indian Journal of Agricultural Sciences 2020. doi:10.56093/ijas.v90i8.105980

Other claims from this paper (8)

Record rev-04eb3bc9bbf618a84a533b53e551c7664825d4efdcc66714fbe2116b5eacd4a1 · schema claims-v0.9 · position 2 in the model’s answer

zinc oxide · yield · Oryza sativa (rice)Results differ

34 papers: 32 positive, 2 negative or no effect

31 papers in the same direction as this claim · 1 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    0.2% nano zinc oxide coated urea outperformed other zinc sources for rice growth, yield attributes, zinc nutrition and grain and straw yield.

    Enhancing physiological metrics, yield, zinc bioavailability, and economic viability of Basmati rice through nano zinc fertilization and summer green manuring in semi–arid South Asian ecosystem · 2023 · compared with other zinc sources

    Same directionCites this paper

  2. no effect
    Direct-soil ZnO-NEC at 50 mg.kg -1 gave the same high grain yield per hill as inorganic fertilizer.

    Effect of ZnO Nanoparticles enhanced compost with different application methods on nutrient uptake and Grain Yield of Rice (Oryza sativa) Var. Inpari 32 · 2024 · compared with inorganic treatment

    Opposite direction

  3. no effect
    2.0% ZEU (ZnO) gave yield attributes and grain and straw yields very close to ZEU applied as ZnSO4 · H2O.

    Summer green-manuring crops and zinc fertilization on productivity and economics of basmati rice (Oryza sativaL.) · 2011 · compared with 2.0% Zn-enriched urea (ZEU) as ZnSO4 · H2O

    No difference from an alternative

  4. positive
    ZnO NPs increased rice grain production and dry matter accumulation.

    The Effect of Zinc Oxide Nanoparticles for Enhancing Rice (Oryza sativa L.) Yield and Quality · 2021

    Same direction

  5. positive
    Biochar plus ZnO NPs under 9-day irrigation positively affected number of panicles m−2; the result was not significantly different from the 3-day irrigation control.

    The Integrative Effects of Biochar and ZnO Nanoparticles for Enhancing Rice Productivity and Water Use Efficiency under Irrigation Deficit Conditions · 2022 · compared with control treatment (irrigation every 3 d)

    Same direction

  6. positive
    ZnO NPs increased rice grain yield by 3.24%–4.86% in 2019 in zinc deficient soils.

    Zinc oxide nanoparticles enhanced rice yield, quality, and zinc content of edible grain fraction synergistically · 2023

    Same direction

  7. positive
    Foliar ZnO nanoparticles increased grain yield 22.1% under heatwave stress.

    Zinc oxide nanoparticles cooperate with the phyllosphere to promote grain yield and nutritional quality of rice under heatwave stress · 2024 · compared with HW control

    Same direction

  8. positive
    Combined strains and zinc oxide produced the highest paddy growth and productivity.

    FE-SEM/EDX Based Zinc Mobilization Analysis of Burkholderia cepacia and Pantoea rodasii and Their Functional Annotation in Crop Productivity, Soil Quality, and Zinc Biofortification of Paddy · 2022

    Same direction

25 papers more in this group

See all 34 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. positive
    0.2% nano zinc oxide coated urea outperformed other zinc sources for rice growth, yield attributes, zinc nutrition and grain and straw yield.

    Enhancing physiological metrics, yield, zinc bioavailability, and economic viability of Basmati rice through nano zinc fertilization and summer green manuring in semi–arid South Asian ecosystem · 2023 · compared with other zinc sources

    Same directionCites this paper

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

193 papers more in this group

See all 202 papers →

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

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this claim · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. positive
    Green manure raised grain yield by 12.75% versus fallow across fertilizer modules.

    Optimising nitrogen use efficiency of prilled urea through integrated use of nano-ZnO and green manuring for better productivity, quality and nutritional status of Basmati rice crop · 2024 · compared with G1

    Same directionCites this paper

  2. no effect
    Current high nitrogen practices do not significantly raise crop yields relative to optimum fertilization.

    Reducing environmental risk by improving N management in intensive Chinese agricultural systems · 2009 · compared with knowledge-based optimum N fertilization

    Opposite direction

  3. no effect
    CRFs had no effect on crop yield.

    Effect of Enhanced Efficiency Fertilizers on Nitrous Oxide Emissions and Crop Yields: A Meta‐analysis · 2016

    Opposite direction

  4. negative
    The authors found fertilizer and irrigation investment had limited effects on rice production.

    Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

    Opposite direction

  5. negative
    Green manure and rice straw nitrogen, alone or in combination with inorganic N, gave lower grain yield, agronomic efficiency and apparent nitrogen uptake than a standard split application of prilled urea.

    Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice · 1996 · compared with a standard split application of prilled urea

    Opposite direction

  6. negative
    Without P fertilization, rice produced no panicles or grain.

    Nitrogen, Phosphorus and Potassium Interactions in Upland Rice · 2014

    Opposite direction

  7. negative
    Broadcast and split prilled urea left 11 to 35% of applied nitrogen unrecovered at harvest.

    Nitrogen‐15 Balance and Residual Effects of Urea‐N in Wetland Rice Fields as Affected by Deep Placement Techniques · 1984

    Opposite direction

  8. no effect
    Cow dung manure rates did not significantly affect grain yield or greenhouse gas emissions.

    Influence of rice varieties, organic manure and water management on greenhouse gas emissions from paddy rice soils · 2021

    Opposite direction

3,446 papers more in this group

See all 3,455 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.