Claim · model-written summary
In the fourth year, organic corn yield in the longest rotation (8.1 Mg ha −1) was greater than conventional corn yield (7.1 Mg ha −1).
- Taxon
- corn
Zea mays subsp. mayse2 - Treatment
- longest rotatione2
- Outcome
- organic corn yielde2
- Direction
- greatere2
- Value
- 8.1 Mg ha −1e2
- Qualifier
- 7.1 Mg ha −1e2
- Comparator
- conventional corn yielde2
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“in the fourth year, the organic corn yield of 8.1 Mg ha −1 in the longest rotation was greater than the conventional corn yield of 7.1 Mg ha −1 in the conventional corn–soybean rotation”
Title
Agroecosystem Performance during Transition to Certified Organic Grain Production
Kathleen Delate; Cynthia A. Cambardella Agronomy Journal 2004. doi:10.2134/agronj2004.1288
Other claims from this paper (9)
- Intervention effect Organic feed corn yields in the transition years were equivalent to conventional corn yields at Greenfield, IA.
- Intervention effect Organic and conventional soybean yields were similar during the three transition years.
- Intervention effect In the fourth year of organic production, organic soybean yield (3.0 Mg ha −1) exceeded conventional soybean yield (2.7 Mg ha −1).
- Intervention effect Grass and broadleaf weed populations varied between organic and conventional systems each year.
- Observation Weed impact on grain crop yield was negligible.
- Observation Corn borer populations were similar between organic and conventional systems, with no effect on yield.
- Observation Bean leaf beetle populations were similar between organic and conventional systems, with no effect on yield.
- Recommendation Organic grain crops can be successfully produced during the three transition years.
- Recommendation Expanded crop rotations can provide additional economic benefits in organic grain production.