Intervention effectmodel-written summary

Nano-cobalt spray gave the highest agronomic efficiency.

A claim from Effect of Silica, Bio-Organic Fertilizers, and Spraying of Nano-Titanium and Nano-Cobalt on the Growth and Yield of Rice · 2022

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nano-cobalt spray gave the highest agronomic efficiency.

Treatment
nano-cobalt spraye0
Outcome
agronomic efficiencye0
Direction
higheste0
Value
(4270.8) kg kg-1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“Rice”

✓ located verbatim in the source · title, characters 116–120
e0

“The nano-cobalt spray recorded the highest agronomic efficiency (4270.8) kg kg-1.”

✓ located verbatim in the source · abstract, characters 1603–1684

Title

Effect of Silica, Bio-Organic Fertilizers, and Spraying of Nano-Titanium and Nano-Cobalt on the Growth and Yield of Rice

Ameer Eamad Neamah AL-Sultanei; Hayyawi Wewa Attia Al-Juthery IOP Conference Series Earth and Environmental Science 2022. doi:10.1088/1755-1315/1060/1/012034

Other claims from this paper (7)

Record rev-67b4adbd178e2b28ebb1036d446938f7be3eec42fdbbd9ab30f230a7916395e5 · schema claims-v0.9 · position 8 in the model’s answer

nanoparticle · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

12 papers: 11 positive, 1 negative or no effect

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

  1. no effect
    Foliar nano urea produced statistically similar rice nutrient use efficiency to the conventional fertilizer rate.

    Nano fertilizers and its effect on nutrient use efficiency in rice · 2024 · compared with 90:45:45 kg N, P2O5 & K2O (KAU POP)

    No difference from an alternative

  2. positive
    The combined application achieved maximum phosphorus use efficiency of 31.5%.

    Concurrent effect of phosphorus, nanoparticles and phosphorus solubilizing bacteria influences root morphology, soil enzymes and nutrients uptake in upland rice ( Oryza sativa L.) · 2024

    Same direction

  3. positive
    S NP CU 90 increased agronomic efficiency by at least 5%.

    Sulfur nanoparticle-coated urea improves growth and nitrogen use efficiency in wheat (Triticum aestivum L.) and rice (Oryza sativa L.) · 2025 · compared with control N/recommended non-coated urea U 100

    Same direction

  4. positive
    Applying recommended K with recommended NP increased the agronomic efficiency of P and K by 34% relative to N alone.

    Balanced fertilization in rice (Oryza sativa)groundnut (Arachis hypogaea) cropping system · 2001 · compared with instead of with N alone

    Same direction

  5. positive
    nano-Va produced agronomic efficiency of 1676.7 kg kg -1.

    Effect of NPK, NPK Organic Fertilizers and Spraying Nano-Vanadium and Nano-Selenium on the Growth and Yield of Rice · 2022

    Same direction

  6. positive
    Potassium-fortified Nano-Optimus plus gave the highest agronomic efficiency, 293.9 kg kg -1.

    Effect of Spraying Some Bio-and Nano-Stimulants Fortified with Potassium on the Growth and Yield of Rice · 2022

    Same direction

  7. positive
    The treatment increased potassium use efficiency to 73.51 kg kg-1 nutrients applied.

    Influence of nano nitrogen and nano zinc fertilizers on nutrient uptake and use efficiency in paddy under different systems of establishment · 2023

    Same direction

  8. positive
    The integrated regime gave the highest nitrogen use efficiency, 32.33%.

    Integrated nitrogen management enhances yield, nitrogen use efficiency, and grain quality in scented rice ( Oryza sativa L.) under field conditions · 2025

    Same direction

3 papers more in this group

See all 12 papers →

application · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

16 papers: 15 positive, 1 negative or no effect

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

  1. no effect
    Foliar nano urea produced statistically similar rice nutrient use efficiency to the conventional fertilizer rate.

    Nano fertilizers and its effect on nutrient use efficiency in rice · 2024 · compared with 90:45:45 kg N, P2O5 & K2O (KAU POP)

    No difference from an alternative

  2. positive
    Zinc EDTA plus foliar spray produced the highest zinc mobilization and nitrogen recovery efficiency indices.

    Zinc partitioning in basmati rice varieties as influenced by Zn fertilization · 2017

    Same direction

  3. positive
    P dipping substantially improved applied phosphorus use efficiency even in highly P fixing soils.

    P-dipping of rice seedlings increases applied P use efficiency in high P-fixing soils · 2020

    Same direction

  4. positive
    Agronomic efficiency of foliar nitrogen application in bed planting was higher than the conventional method.

    Foliar Spray of Nitrogen Fertilizer on Raised Bed Increases Yield of Transplanted Aman Rice over Conventional Method · 2012 · compared with conventional method

    Same direction

  5. positive
    Compost and foliar treatments considerably increased rice N uptake, N use efficiency and N-recovery.

    Amelioration of Salt Affected Soils and Improvement of Rice and Wheat Yields by Adding Compost and Foliar Spray of Zinc, Potassium and Compost Tea · 2020

    Same direction

  6. positive
    Replacing 25% of RDN supplied through PU with two foliar sprays of nano urea enhanced nitrogen use efficiency in aerobic rice.

    Impact of water and nitrogen management strategies on productivity, resource use efficiency, and greenhouse gases emission in aerobic rice · 2025 · compared with PU

    Same direction

  7. positive
    Replacing up to 33% of prilled urea with foliar nano-nitrogen significantly improved achievable NUE in rice-wheat.

    Transitioning From Soil‐Based to Soil‐Foliar Hybrid Application for Nitrogen Fertilizers Offers Energy‐Saving and Use‐Efficiency Benefits · 2025

    Same direction

  8. positive
    Potassium-fortified Nano-Optimus plus gave the highest agronomic efficiency, 293.9 kg kg -1.

    Effect of Spraying Some Bio-and Nano-Stimulants Fortified with Potassium on the Growth and Yield of Rice · 2022

    Same direction

7 papers more in this group

See all 16 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.