Claim · model-written summary
Between-year corn yield variability was about four times between-plot variability.
- Taxon
- corn
Zea mays subsp. mayst0 - Outcome
- Yield variabilitye0
- Direction
- greatere0
- Value
- four timese0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield variability among years was approximately three times greater for soybean and four times greater for corn than was variability among plots (Table )”
t0“Corn and Soybean”
Title
Assessing Spatial and Temporal Variability of Corn and Soybean Yields
P. M. Porter; J. G. Lauer; D. R. Huggins; et al. jpa 1998. doi:10.2134/jpa1998.0359
Other claims from this paper (10)
- Observation A within-year yield range above 25% occurred in one-fourth of seasons for continuous corn.
- Observation A within-year yield range above 25% occurred in one-fourth of seasons for continuous soybean.
- Observation Ten-year average yield ranges among continuous corn plots were below 10%.
- Observation Ten-year average yield ranges among continuous soybean plots were below 10%.
- Observation Five of six plot-yield comparisons showed no significant difference.
- Observation Across locations, corn yield range averaged at least 20 bu/acre.
- Observation Across locations, soybean yield range averaged at least 6 bu/acre.
- Observation Between-year soybean yield variability was about three times between-plot variability.
- Observation Corn-soybean rotation plots showed similar yield variability.
- Recommendation Producers should wait for persistent yield differences before changing management for small low-yielding areas.