Intervention effectmodel-written summary

Elevated CO2 improved pine photosynthetic nitrogen use efficiency only with living soil inoculant.

A claim from Soil microbial community differences drive variation in Pinus sylvestris physiology, productivity, and responses to elevated CO2 · 2026

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Elevated CO2 improved pine photosynthetic nitrogen use efficiency only with living soil inoculant.

Taxon
Pinus sylvestrisPinus sylvestrist0
Treatment
eCO2 conditionse1
Outcome
plant photosynthetic nitrogen use efficiencye0
Direction
improvede0
Comparator
sterilized soil inoculante0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Pinus sylvestris
Pinus sylvestris · TaxonHello, I am Bruce on Flickr · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“improved plant photosynthetic nitrogen use efficiency, but only in the presence of living versus sterilized soil inoculant”

✓ located verbatim in the source · abstract, characters 1263–1385
e1

“under eCO2 conditions”

✓ located verbatim in the source · abstract, characters 1210–1231
t0

“Pinus sylvestris”

✓ located verbatim in the source · title, characters 56–72

Title

Soil microbial community differences drive variation in Pinus sylvestris physiology, productivity, and responses to elevated CO2

Hupperts, Stefan Epsilon Open Archive (Sveriges lantbruksuniversitet biblioteket (Swedish University of Agricultural Sciences)) 2026

Other claims from this paper (8)

Record rev-5caa4776a4e635ef3ef03817b8bef3292d8cc542cdccec8110da5aecc03f4e98 · schema claims-v0.9 · position 2 in the model’s answer

co2 · physiology: photosynthesis · Pinus sylvestris (Scots pine)Positive and negative results

8 papers: 6 positive, 2 negative or no effect

5 papers in the same direction as this claim · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
See all 8 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.