Intervention effectmodel-written summary

Variety and K rate did not significantly influence yield.

A claim from Effect of Potassium Application Rate on Dry Matter Yield and Forage Nutritive Value in Alfalfa · 2022

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Variety and K rate did not significantly influence yield.

Taxon
alfalfaMedicago sativae0
Treatment
alfalfa variety and K ratese0
Outcome
Yielde0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Yield, nutritive values, and soil K content were, however, not significantly influenced by alfalfa variety and K rates”

✓ located verbatim in the source · abstract, characters 1061–1179

Title

Effect of Potassium Application Rate on Dry Matter Yield and Forage Nutritive Value in Alfalfa

Doohong Min; Rudra Baral Current Agriculture Research Journal 2022. doi:10.12944/carj.10.2.05

Other claims from this paper (4)

Record rev-ef19084d393e3f36c469ba56a9003948ca5e26fefbd63efebae3fdf4021eeb63 · schema claims-v0.9 · position 3 in the model’s answer

potassium · yield · Medicago sativa (alfalfa)Results differ

38 papers: 30 positive, 8 negative or no effect

7 papers in the same direction as this claim · 30 in the opposite direction

  1. positive
    Added P and K increased alfalfa yield each year.

    Influence of Phosphorus and Potassium on Alfalfa Yield and Yield Components · 2005

    Opposite directionCited by this paper

  2. positive
    High potassium rates partly alleviated the adverse residual-yield effect of an October fourth cut.

    Effects of Potassium Topdressing a Low Fertility Silt Loam Soil on Alfalfa Herbage Yields and Composition and on Soil K Values1 · 1975

    Opposite directionCited by this paper

  3. positive
    Addition of P and K increased alfalfa forage yield each year compared with unfertilized plots.

    The Long‐Term Impact of Phosphorus and Potassium Fertilization on Alfalfa Yield and Yield Components · 2007 · compared with unfertilized plots

    Opposite direction

  4. positive
    High potassium consistently increased alfalfa yield.

    Potassium Nutrition Effects on Net Photosynthesis and Morphology of Alfalfa · 1967

    Opposite direction

  5. positive
    Yields of the 673 kg/ha K treatments were significantly higher than those of control plants.

    Effects of Potassium Fertilization on Nitrogen Fixation and Nodule Enzymes of Nitrogen Metabolism in Alfalfa1 · 1980 · compared with control plants

    Opposite direction

  6. positive
    Phosphorus and potassium addition increased alfalfa forage yield.

    Influence of Phosphorus and Potassium on Alfalfa Yield, Taproot C and N Pools, and Transcript Levels of Key Genes after Defoliation · 2009

    Opposite direction

  7. positive
    Combined NPK and combined NP fertilizer applications achieved the greatest alfalfa yield increase, 27.0%.

    Yield and quality of alfalfa (Medicago sativa L.) in response to fertilizer application in China: A meta-analysis · 2022 · compared with non-fertilizer control

    Opposite direction

  8. positive
    K was associated with positive effect in alfalfa yield.

    Phosphorus and Potassium Fertilizer Effects on Alfalfa and Soil in a Non‐Limited Soil · 2013

    Opposite direction

29 papers more in this group

See all 38 papers →

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.