Intervention effectmodel-written summary

Fertilizer nitrogen at 72 mg N/plant increased acetylene reduction activity up to sixfold.

A claim from Fertilizer‐N Effects on N2 Fixation by Cowpea and Soybean1 · 1983

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fertilizer nitrogen at 72 mg N/plant increased acetylene reduction activity up to sixfold.

Taxon
Cowpea and SoybeanGlycine maxVigna unguiculatat0
Treatment
72 mg N/plante0
Outcome
acetylene reduction activitiese0
Direction
increasede0
Value
sixfolde0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Applications of 36 and 72 mg N/plant increased nodule weights and acetylene reduction activities up to fourfold and sixfold, respectively”

✓ located verbatim in the source · abstract, characters 1100–1237
t0

“Cowpea and Soybean”

✓ located verbatim in the source · title, characters 39–57

Title

Fertilizer‐N Effects on N2 Fixation by Cowpea and Soybean1

A. R. J. Eaglesham; S. Hassouna; R. Seegers Agronomy Journal 1983. doi:10.2134/agronj1983.00021962007500010016x

Other claims from this paper (5)

Record rev-01dff19d311ff7eadb5e8c5447d74f80671804803606aa8ca346ed6a9cac6658 · schema claims-v0.9 · position 3 in the model’s answer

nitrogen · symbiosis · Vigna unguiculata (cowpea)Positive and negative results

17 papers: 13 positive, 4 negative or no effect

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

  1. negative
  2. negative
  3. negative
  4. negative
  5. positive
  6. positive
  7. positive
  8. positive

8 papers more in this group

See all 17 papers →

nitrogen · symbiosis · Glycine max (soybean)Positive and negative results

146 papers: 59 positive, 87 negative or no effect

58 papers in the same direction as this claim · 86 in the opposite direction · 1 reporting no difference from an alternative

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

137 papers more in this group

See all 146 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.