Claim · model-written summary
Four-year organic corn yield was 9% lower than two-year high-input yield in V1.
- Taxon
- Corn
Zea mays subsp. mayse0
- 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.
Verbatim
e0“Corn yield in the 4-yr OI strategy compared with the 2-yr HI strategy was 9% less in V1”
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)
- Observation Two-year high-input corn yielded 8.96 Mg ha−1 in V1.
- Observation Two-year high-input corn yielded 8.72 Mg ha−1 in V2.
- Intervention effect Four-year high-input corn yield was 4% lower than two-year high-input corn yield in V1.
- Intervention effect Four-year and two-year high-input corn yields did not differ in V2.
- Observation Two-year high-input soybean yielded 2.90 Mg ha−1 in V1.
- Observation Two-year high-input soybean yielded 2.74 Mg ha−1 in V2.
- Intervention effect Four-year high-input soybean yield was 3% higher than two-year high-input yield in V1.
- Intervention effect Four-year high-input soybean yield was 6% higher than two-year high-input yield in V2.
- Intervention effect Four-year organic corn yield was 7% lower than two-year high-input yield in V2.
- Intervention effect Four-year organic soybean yield was 19% lower than two-year high-input yield in V1.
- Intervention effect Four-year organic soybean yield was 16% lower than two-year high-input yield in V2.
- Association Expanded rotation had beneficial yield effects that external inputs could mask.