Intervention effectmodel-written summary

Fertilized oat and fodder rape subplots had Olsen-extractable P similar to unfertilized subplots.

A claim from A Preliminary Study of the Role of Cover Crops in Improving Soil Fertility and Yield for Potato Production · 2004

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Fertilized oat and fodder rape subplots had Olsen-extractable P similar to unfertilized subplots.

Treatment
fertilized oat and fodder rape subplotse0
Outcome
Olsen-extractable P levelse0
Direction
similare0
Comparator
unfertilized subplotse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Olsen-extractable P levels in the fertilized oat and fodder rape subplots were similar to those in the unfertilized subplots.”

✓ located verbatim in the source · abstract, characters 1067–1192
t0

“Potato Production”

✓ located verbatim in the source · title, characters 89–106

Title

A Preliminary Study of the Role of Cover Crops in Improving Soil Fertility and Yield for Potato Production

S. A. Little; P. J. Hocking; R. S. B. Greene Communications in Soil Science and Plant Analysis 2004. doi:10.1081/css-120029726

Other claims from this paper (10)

Record rev-e2513b7a4ae1187388777151247c24f3b56b2b4c585ec334574c847742c0e1ee · schema claims-v0.9 · position 4 in the model’s answer

fertilization · nutrient: content · Solanum tuberosum (potato)Positive and negative results

123 papers: 97 positive, 26 negative or no effect

25 papers in the same direction as this claim · 97 in the opposite direction

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

114 papers more in this group

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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.