Claim · model-written summary
Potassium did not improve alfalfa yield.
- Taxon
- Alfalfa
Medicago sativae0 - Treatment
- K fertilizatione0
- Outcome
- yielde0
- Direction
- did not improvee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Alfalfa yield and relative feed value (RFV) and quality (RFQ) did not improve with K fertilization”
Title
Potassium Management during the Rotation from Alfalfa to Corn
Matt A. Yost; Michael P. Russelle; Jeffrey A. Coulter; et al. Agronomy Journal 2011. doi:10.2134/agronj2011.0183
Other claims from this paper (8)
- Intervention effect Potassium did not improve alfalfa relative feed value or quality.
- Intervention effect Potassium fertilization increased herbage K concentration and uptake.
- Association Each 100 kg ha −1 increase in available K index raised corn grain yield by 0.5 Mg ha −1 under carryover K alone.
- Association Each 100 kg ha −1 increase in available K index reduced corn stover yield by 0.4 Mg ha −1.
- Association Available K index did not affect corn silage yield under carryover alone.
- Intervention effect Additional K applied to corn increased stover yield by 10%.
- Intervention effect Additional K applied to corn increased silage yield by 8%.
- Recommendation Applying K to first-year corn rather than alfalfa may improve economic return on medium STK soils.