Intervention effectmodel-written summary

Manure raised barley yield by 22% on average.

A claim from Mineral and organic fertilization efficiency in long-term stationary experiments · 2010

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Manure raised barley yield by 22% on average.

Treatment
manure-fertilized plote0
Outcome
yielde0
Direction
highere0
Value
22%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The manure-fertilized plot gave the average yield of wheat higher by 30%, of barley by 22%”

✓ located verbatim in the source · abstract, characters 524–614

Title

Mineral and organic fertilization efficiency in long-term stationary experiments

J. Černý; J. Balík; M. Kulhánek; et al. Plant Soil and Environment 2010. doi:10.17221/200/2009-pse

Other claims from this paper (14)

Record rev-cddd7b63d3fa94a2b5c6c95a4e6108b19399d301dd4637a2f201ce71be769aeb · schema claims-v0.9 · position 5 in the model’s answer

fertilization · yield · Hordeum vulgare (barley)Positive and negative results

550 papers: 473 positive, 77 negative or no effect

472 papers in the same direction as this claim · 66 in the opposite direction · 11 reporting no difference from an alternative

  1. positive
    NPK increased spring barley yields about 68% at S1 relative to control.

    Nitrogen efficiency of spring barley in long-term experiment · 2014 · compared with control

    Same directionCites this paper

  2. no effect
    Neither phosphorus application nor mycorrhizal inoculation increased tiller number.

    Effects of Arbuscular Mycorrhizal Fungi and Phosphorus Fertilization on Growth and Nutrient Uptake of Barley Grown on Soils with Different Levels of Salts · 2003

    Opposite direction

  3. negative
    N fertilizer reduced relative yield totals.

    Root and Shoot Interactions Between Barley and Field Beans When Intercropped · 1982

    Opposite direction

  4. negative
    Nitrogen fertilizer alone did not raise yield on barley residue to yield on pulse residue.

    YIELD EFFECT OF PULSES ON SUBSEQUENT CEREAL CROPS IN THE NORTHERN PRAIRIES · 1990 · compared with pulse residue

    Opposite direction

  5. no effect
    Incorporation timing of feedlot cattle manure had no impact on soil or crop performance.

    Effect of rate, frequency and incorporation of feedlot cattle manure on soil nitrogen availability, crop performance and nitrogen use efficiency in east-central Saskatchewan · 2004

    Opposite direction

  6. no effect
    Cropping without nutrients did not significantly improve productivity of severely eroded land.

    EFFECTIVENESS OF MANURE AND COMMERCIAL FERTILIZER IN RESTORING PRODUCTIVITY OF AN ARTIFICIALLY ERODED DARK BROWN CHERNOZEMIC SOIL UNDER DRYLAND CONDITIONS · 1988

    Opposite direction

  7. negative
    Manure lowered barley seed yield relative to mineral fertilizer.

    Manure, Tillage, and Crop Rotation: Effects on Residual Weed Interference in Spring Barley Cropping Systems · 1998 · compared with mineral fertilizer

    Opposite direction

  8. no effect
    Nitrogen rate did not alter leaf and primary tiller coordination in the remaining barley cultivars.

    The influence of fertiliser nitrogen application on development and number of reproductive primordia in field-grown two- and six-rowed barleys · 2004

    Opposite direction

541 papers more in this group

See all 550 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.