Intervention effectmodel-written summary

Optimal calcium significantly promoted soybean growth.

A claim from Calcium regulation of nitrogen fixation and metabolism in soybean (Glycine max L.) · 2026

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Optimal calcium significantly promoted soybean growth.

Taxon
soybeanGlycine maxe1
Treatment
Optimal Ca supply (1 mmol·L−1, Ca1)e0
Outcome
plant growthe0
Direction
promotede0
Comparator
other regimese0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“Optimal Ca supply (1 mmol·L−1, Ca1) significantly promoted plant growth and increased grain yield by 54.5–91.0% in 2024 and 55.3–74.7% in 2025 compared to other regimes”

✓ located verbatim in the source · abstract, characters 454–622
e1

“soybean (Glycine max L.)”

✓ located verbatim in the source · abstract, characters 428–452

Title

Calcium regulation of nitrogen fixation and metabolism in soybean (Glycine max L.)

Sutong Zhao; Shuoshuo Shi; Runze Xie; et al. Chemical and Biological Technologies in Agriculture 2026. doi:10.1186/s40538-026-00969-1

Other claims from this paper (7)

Record rev-dcfe5348daeee16cbe82fd1196330b107d6678591658f37fe92797549a4add23 · schema claims-v0.9 · position 1 in the model’s answer

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

35 papers: 26 positive, 9 negative or no effect

25 papers in the same direction as this claim · 9 in the opposite direction

  1. no effect
    Without aluminium, calcium from 500 to 2000 μM had little effect on root growth or root hair development.

    Calcium amelioration of aluminium toxicity effects on root hair development in soybean [Glycine max (L.) Merr.] · 1993

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

  2. no effect
    Ca and Mg added without Al had little or no effect on soybean root elongation.

    Magnesium is More Efficient than Calcium in Alleviating Aluminum Rhizotoxicity in Soybean and its Ameliorative Effect is not Explained by the Gouy-Chapman-Stern Model · 2001 · compared with background solutions

    Opposite direction

  3. no effect
    Low calcium at 200 µM did not affect soybean growth.

    Soil Acidity Tolerance of Symbiotic and Nitrogen‐Fertilized Soybeans1 · 1981

    Opposite direction

  4. no effect
    Sodium and calcium complexed rhamnolipids do not interfere with germination of soybeans.

    Eco‐friendly rhamnolipid based fungicides for protection of soybeans from Phytophthora sojae · 2019

    Opposite direction

  5. no effect
    On average, growth under calcium phosphate and triple superphosphate was similar.

    Low phosphorus availability in West African moist savanna soils: effect of sparing soluble P sources on the growth of soybean, cowpea and maize · 2005 · compared with TSP

    Opposite direction

  6. negative
    Mineral enrichment restrained soybean germination percentage, germinating energy and bud length.

    Experimental Study on Soybean Sprouts(Glycine max) Strengthening Fe~(3+),Zn~(2+),Ca~(2+) · 2003

    Opposite direction

  7. negative
    N, K, Ca, Mg and Fe deficiencies decreased root length and surface area.

    Effects of different element deficiencies on soybean growth and root morphology · 2010

    Opposite direction

  8. negative
    Both deficiency and excess of Ca and B reduced soybean shoot and root biomass.

    Synergistic interaction of calcium and boron: enhancing root nodule anatomy, nitrogenase activity, leaf ultrastructure adjustments, and growth in soybean plants · 2025

    Opposite direction

26 papers more in this group

See all 35 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.