Intervention effectmodel-written summary

Four-year organic corn yield was 9% lower than two-year high-input yield in V1.

A claim from Organic and Other Management Strategies with Two- and Four-Year Crop Rotations in Minnesota · 2003

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Four-year organic corn yield was 9% lower than two-year high-input yield in V1.

Treatment
4-yr OI strategye0
Outcome
Corn yielde0
Direction
lesse0
Value
9%e0
Comparator
2-yr HI strategye0
Setting
V1e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleQualifier

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

Zea mays subsp. mays
Zea mays subsp. mays · TaxonDominicus Johannes Bergsma · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Corn yield in the 4-yr OI strategy compared with the 2-yr HI strategy was 9% less in V1”

✓ located verbatim in the source · abstract, characters 1288–1375

Title

Organic and Other Management Strategies with Two- and Four-Year Crop Rotations in Minnesota

Paul M. Porter; Dave R. Huggins; Catherine A. Perillo; et al. Agronomy Journal 2003. doi:10.2134/agronj2003.0233

Other claims from this paper (12)

Record rev-6daffdd157d4b86d763b6de570ca468a922f525b1495bcc0e658639da2b17575 · schema claims-v0.9 · position 9 in the model’s answer

cultivation system · yield · Zea mays (maize)Positive and negative results

155 papers: 110 positive, 45 negative or no effect

44 papers in the same direction as this claim · 110 in the opposite direction

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

146 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.