Intervention effectmodel-written summary

Hemp waste iron nanoparticles increased soybean biomass.

A claim from Upcycling plant waste: iron nanoparticles synthesized from Cannabis sativa enhance biomass and antioxidative properties in soybean (Glycine max) · 2025

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hemp waste iron nanoparticles increased soybean biomass.

Taxon
soybeanGlycine maxe0
Treatment
Iron nanoparticles synthesized from hemp wastee0
Outcome
biomasse0
Direction
improvee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Iron nanoparticles synthesized from hemp waste elevate the content of chlorophylls, antioxidants and polyphenols and improve the biomass of soybean”

✓ located verbatim in the source · abstract, characters 0–147

Title

Upcycling plant waste: iron nanoparticles synthesized from Cannabis sativa enhance biomass and antioxidative properties in soybean (Glycine max)

Milica Pavlicevic; Shital Vaidya; Terri Arsenault; et al. Environmental Science Nano 2025. doi:10.1039/d4en01018c

Other claims from this paper (1)

Record rev-00b2067dd2639a1fb90fb2c21fb66774d3a6fefd242dbe80920617c7bd4faac7 · schema claims-v0.9 · position 2 in the model’s answer

iron atom · growth · Glycine max (soybean)Results differ

40 papers: 29 positive, 11 negative or no effect

28 papers in the same direction as this claim · 11 in the opposite direction

  1. positive
    Adding either iron source (Fe3O4 nanoparticles or Fe-EDTA) increased root weight of soybean and alfalfa relative to control.

    Magnetite nanoparticles coated with citric acid are not phytotoxic and stimulate soybean and alfalfa growth · 2021 · compared with control

    Same directionCited by this paper

  2. negative
    High iron suppressed somatic tissue growth.

    Callus and Plantlet Regeneration from Cell Cultures of Ladino Clover and Soybean · 1977

    Opposite direction

  3. no effect
    There was no evidence that higher rates of Fe reduced soybean growth.

    Soybean Growth on Calcareous Soil as Affected by Three Iron Sources · 2003

    Opposite direction

  4. negative
    Iron-bound P reduced soybean growth by 35.4% ± 6.7% relative to KH2PO4.

    Phosphorus Fractions of Red Soils in Guangdong Province of South China and Their Bioavailability for Five Crop Species · 2014 · compared with KH2PO4

    Opposite direction

  5. negative
    The lowest Fe level depressed soybean growth.

    Evaluation of catalase and peroxidase activity as indicators of Fe and Mn nutrition for soybean · 1986

    Opposite direction

  6. negative
    Iron limitation reduced soybean growth about 10 per cent in a pot test despite no chlorosis.

    Definition of stresses in crop production—iron, plant nutrient, and non-nutrient stress interactions · 1986

    Opposite direction

  7. negative
    Iron deficiency increased soybean root volume, surface area and tip count.

    Molecular Mechanisms Underlying the Impacts of Available-Iron Levels on the Accumulation and Translocation of 6:2 Chlorinated Polyfluoroalkyl Ether Sulfonate in Soybean (Glycine max L. Merrill) · 2025

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  8. no effect
    Seed viability under iron at pH 6–7 did not differ significantly from control.

    Effect of Iron (Fe) heavy metal content at different pH on the germination of seven soybean varieties in Indonesia · 2023 · compared with control media

    Opposite direction

31 papers more in this group

See all 40 papers →

nanoparticle · growth · Glycine max (soybean)Positive and negative results

82 papers: 74 positive, 8 negative or no effect

73 papers in the same direction as this claim · 8 in the opposite direction

  1. positive
    The authors conclude that citric acid-coated Fe3O4 nanoparticles are not toxic to soybean and alfalfa and instead act as plant growth stimulators.

    Magnetite nanoparticles coated with citric acid are not phytotoxic and stimulate soybean and alfalfa growth · 2021

    Same directionCited by this paper

  2. negative
    Increasing nanoparticle concentration severely inhibited root elongation relative to control.

    Effect of Copper Oxide Nano Particle on Seed Germination of Selected Crops · 2012 · compared with control

    Opposite direction

  3. no effect
    Nanofibrous coatings did not harm soybean seed germination across coating thicknesses and uniformities.

    Electrospun Polymer Nanofibers as Seed Coatings for Crop Protection · 2019

    Opposite direction

  4. no effect
    Neither nHA nor pi showed an evident effect on soybean biomass.

    Effects of Phosphorus Ensembled Nanomaterials on Nutrient Uptake and Distribution in Glycine max L. under Simulated Precipitation · 2021

    Opposite direction

  5. no effect
    Nanoparticle seed treatments did not affect growth rate, germination or root length.

    Impact of zein and lignin‐PLGA biopolymer nanoparticles used as pesticide nanocarriers on soybean growth and yield under field conditions · 2023

    Opposite direction

  6. negative
    Combined nanopriming and foliar spray reduced vegetative growth parameters in mature plants.

    The effect of biogenic silver nanoparticles on the germination and phenophase of soybean (Glycine max (L.) Merr.) var. Anjasmoro · 2025

    Opposite direction

  7. negative
    High ZnO nanoparticle concentration adversely affected soya seed germination relative to hydro-priming.

    Effect of ZnO nano priming on germination and root length of soybean seeds (Glycine max L.) · 2025 · compared with control (hydro-priming) medium

    Opposite direction

  8. negative
    ZnO NPs at 3000 mg / kg significantly inhibited the growth of soybean plants.

    Effect of ZnO nanoparticles and inoculation with arbuscular mycorrhizal fungus on growth and nutrient uptake of soybean · 2015

    Opposite direction

73 papers more in this group

See all 82 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.