Intervention effectmodel-written summary

Phosphorus significantly increased oat forage yield across tillage treatments.

A claim from CROP RESPONSE TO LIME AND FERTILIZER SUPERIMPOSED ON DIFFERENT TILLAGE TREATMENTS FOR A VIRGIN GREY WOODED SOIL · 1963

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Phosphorus significantly increased oat forage yield across tillage treatments.

Treatment
phosphoruse0
Outcome
forage yieldse0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Avena sativa
Avena sativa · TaxonSendelbach ( talk ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Nitrogen and phosphorus significantly increased oat forage yields irrespective of tillage treatment.”

✓ located verbatim in the source · abstract, characters 381–481

Title

CROP RESPONSE TO LIME AND FERTILIZER SUPERIMPOSED ON DIFFERENT TILLAGE TREATMENTS FOR A VIRGIN GREY WOODED SOIL

Herman A. Hamilton; J. R. Lessard Canadian Journal of Soil Science 1963. doi:10.4141/cjss63-036

Other claims from this paper (8)

Record rev-e8bca2a90df5321eb930851dc4a78d0ecc6391780b5c55692548c5c74b151fad · schema claims-v0.9 · position 4 in the model’s answer

phosphorus · yield · Avena sativa (oats)Results differ

27 papers: 23 positive, 4 negative or no effect

22 papers in the same direction as this claim · 4 in the opposite direction

  1. no effect
    Adding phosphorus and potassium had little effect on oat yields.

    Investigation of Small Grain Response to Various Applications of Nitrogen, Phosphorus, and Potassium on Several Kansas Soils · 1953

    Opposite direction

  2. negative
    Superphosphate at 160 Ib. P2O5 per acre reduced grain yield.

    Studies on the uptake of phosphorus from 32P‐labelled superphosphate by crops. I.—Oats · 1959

    Opposite direction

  3. no effect
    Superphosphate application to high-P soil had no effect on oat crop yield.

    Effect of soil temperature and moisture on the uptake of phosphorus by oats · 1960

    Opposite direction

  4. no effect
    Phosphate application timing had no consistent effect on oats dry matter production.

    Effect of Phosphate Source, Lime, and Time of Phosphate Application on Absorption of Applied Phosphorus by Plants · 1959

    Opposite direction

  5. positive
    P application increased yield in two of six site years.

    The influence of nitrogen, phosphorus and potash fertilizer application on oat yield and quality · 2007

    Same direction

  6. positive
    On Hartsells fine sandy loam, oat P yields ranked CSP < CSP + KCl ≤ CSP + NH 4 Cl ≤ CSP + NH 4 NO 3 < CSP + (NH 4 ) 2 SO 4 ≤ CSP + KNO 3 in the greenhouse.

    The Effect of Associated Salts on the Availability of Concentrated Superphosphate · 1958 · compared with CSP

    Same direction

  7. positive
    Omitting P, K and Mg reduced crop yield by 28–41%.

    Long-term effect of balanced mineral fertilizer application on potato, winter rye, and oat yields; nutrient use efficiency; and soil fertility · 2010

    Same directionAbout lacking this nutrient, so it counts the other way round

  8. positive
    Forage yield of oats responded markedly, increasing with applied P.

    The Influence of Soil Temperature and Phosphorus Fertilizers of Different Water‐Solubilities on the Yield and Phosphorus Uptake by Oats · 1964

    Same direction

18 papers more in this group

See all 27 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.