Intervention effectmodel-written summary

Incremental sewage sludge additions tended to reduce cadmium levels in mature plants and seeds.

A claim from Cadmium Content of Soybeans Grown in Sewage‐Sludge Amended Soil · 1973

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Incremental sewage sludge additions tended to reduce cadmium levels in mature plants and seeds.

Taxon
soybeanGlycine maxt0
Organ / stage
mature plant and seede0
Treatment
Incremental additions of sewage sludgee0
Outcome
Cd levelse0
Direction
depresse0

Not reportedMaterialGeneCompoundInteractorInteractor 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

“Incremental additions of sewage sludge tended to depress the Cd levels observed in the mature plant and seed.”

✓ located verbatim in the source · abstract, characters 471–580
t0

“Soybeans”

✓ located verbatim in the source · title, characters 19–27

Title

Cadmium Content of Soybeans Grown in Sewage‐Sludge Amended Soil

Robert L. Jones; T. D. Hinesly; E. L. Ziegler Journal of Environmental Quality 1973. doi:10.2134/jeq1973.00472425000200030009x

Other claims from this paper (3)

Record rev-e0a416c6a823355d2dedddc43c4f00c5b9f9c57dddfbc023cff06fe29671fb78 · schema claims-v0.9 · position 2 in the model’s answer

organic · nutrient: content · Glycine max (soybean)Positive and negative results

19 papers: 15 positive, 4 negative or no effect

14 papers in the same direction as this claim · 4 in the opposite direction

  1. negative
    Sludge reduced phosphorus uptake in nonmycorrhizal soybean at 150 mg/kg phosphorus or higher.

    Element Uptake by Mycorrhizal Soybean from Sewage‐Sludge‐Treated Soil · 1991

    Opposite direction

  2. negative
    Digested sludge linearly increased shoot Zn concentration.

    Residual Effects of Sewage Sludge on Soybean: I. Accumulation of Heavy Metals · 1987

    Opposite direction

  3. no effect
    Fe uptake in Bragg stem and podwall was unaffected by the sludge treatments.

    Uptake and Distribution of Fe and Mn by Soybean Cultivars on Sludge Amended Soil · 1984

    Opposite direction

  4. no effect
    Increasing sludge application did not significantly change leaf or stem Mg.

    Absorption and Distribution of Ca, Mg and K by Soybean Cultivars Grown on Sludge Amended Soil · 1984

    Opposite direction

  5. positive
    Straw mulch with nitrogen fertilizer increased phosphorus by 45% compared with the control.

    Integrated use of straw mulch with nitrogen fertilizer improves soil functionality and soybean production · 2019 · compared with control treatment

    Same direction

  6. positive
    Integrated inorganic fertilizers with organic manures improved available N, P and K of soil after soybean harvest

    Influence of inorganic, biological and organic manures on nodulation and yield of soybean (Glycine max Merril L.) and soil properties · 2013

    Same direction

  7. positive
    Leaf boron content increased significantly in all three years.

    Soybean Growth and Boron Distribution in a Sandy Soil Amended with Scrubber Sludge · 1987

    Same direction

  8. positive
    Sludge increased tissue P and N content.

    Soybean Growth and Elemental Content as Influenced by Soil Amendments of Sewage Sludge and Heavy Metals: Seedling Studies1 · 1977

    Same direction

10 papers more in this group

See all 19 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.