Intervention effectmodel-written summary

Wheat in diversified rotations using cereal, pea and flax had consistently higher yields than wheat following wheat.

A claim from Effect of tillage and crop rotation on root and foliar diseases of wheat and pea in Saskatchewan from 1991 to 1998: Univariate and multivariate analyses · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Wheat in diversified rotations using cereal, pea and flax had consistently higher yields than wheat following wheat.

Treatment
diversified crop rotations using cereal, pea and flaxe0
Outcome
yieldse0
Direction
highere0
Comparator
wheat following wheate0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“wheat grown in diversified crop rotations using cereal, pea and flax had consistently higher yields than wheat following wheat”

✓ located verbatim in the source · abstract, characters 935–1061

Title

Effect of tillage and crop rotation on root and foliar diseases of wheat and pea in Saskatchewan from 1991 to 1998: Univariate and multivariate analyses

K. L. Bailey; B. D. Gossen; G. P. Lafond; et al. Canadian Journal of Plant Science 2001. doi:10.4141/p00-152

Other claims from this paper (11)

Record rev-fd19cf377ae6d32cbccd00eb0b9240abec05737dfe794bd9429a7a465773c350 · schema claims-v0.9 · position 8 in the model’s answer

Linum usitatissimum · yield · Triticum aestivum (wheat)Positive and negative results

5 papers: 2 positive, 3 negative or no effect

1 paper in the same direction as this claim · 3 in the opposite direction

  1. negative
    Stubble wheat yields were suppressed when wheat followed flax in a continuous-type rotation, through moisture competition from weeds; otherwise unaffected by the preceding crop

    FIRST 18 YEARS OF A LONG-TERM CROP ROTATION STUDY IN SOUTHWESTERN SASKATCHEWAN – YIELDS, GRAIN PROTEIN, AND ECONOMIC PERFORMANCE · 1988 · compared with the preceding crop

    Opposite direction

  2. no effect
    Neither flax nor fall rye as the preceding crop influenced the yield response of the following wheat crops.

    Long-term effect of cropping system and nitrogen and phosphorus fertilizer on production and nitrogen economy of grain crops in a Brown Chernozem · 2005

    Opposite direction

  3. negative
    Economic returns were generally greater for a monoculture of wheat or flax than for intercrops.

    Grain Yield and Returns from Intercropping Wheat and Flax · 1993 · compared with intercrops

    Opposite direction

  4. positive
    Wheat following flax yielded on average 16% more than wheat following wheat.

    Influence of previous crop type on yield of spring wheat: Analysis of commercial field data · 1996 · compared with wheat following wheat

    Same direction

See all 5 papers →

rotation · yield · Triticum aestivum (wheat)Positive and negative results

345 papers: 253 positive, 92 negative or no effect

252 papers in the same direction as this claim · 83 in the opposite direction · 9 reporting no difference from an alternative

  1. positive
    Diversified rotation improved spring wheat yield up to 30% under no tillage.

    Effects of Crop Rotation on Spring Wheat Yield and Pest Occurrence in Different Tillage Systems: A Multi-Year Experiment in Finnish Growing Conditions · 2021 · compared with monoculture

    Same directionCites this paper

  2. positive
    Wheat grown after fallow or green manure had the highest grain yield compared with wheat grown after another wheat.

    Climatic and agronomic effects on leaf spots of spring wheat in the western Canadian Prairies · 2016 · compared with wheat grown after another wheat

    Same directionCites this paper

  3. no effect
    Adding lentil to the rotation did not affect mean wheat yield.

    In Search of a Sustainable Cropping System for the Semiarid Canadian Prairies · 2001

    Opposite direction

  4. negative
    Fallow replacement reduced wheat yield by 0 to 34% in wetter years.

    Can Cover or Forage Crops Replace Fallow in the Semiarid Central Great Plains? · 2018 · compared with fallow

    Opposite direction

  5. negative
    Unfavourable preceding crops significantly decreased wheat yield by about 10% on average across crops.

    Crop rotation effects on yield of oilseed rape, wheat and barley and residual effects on the subsequent wheat · 2015

    Opposite direction

  6. no effect
    Wheat yields on fallow were similar in 2-yr and 3-yr wheat rotations (1905 kg ha -1) when N and P fertilizers were applied by soil tests

    FIRST 18 YEARS OF A LONG-TERM CROP ROTATION STUDY IN SOUTHWESTERN SASKATCHEWAN – YIELDS, GRAIN PROTEIN, AND ECONOMIC PERFORMANCE · 1988 · compared with 3-yr wheat rotations

    Opposite direction

  7. no effect
    Wheat yields were similar in fertilized fallow and unfertilized green-manure plots.

    Wheat Yields, Nitrogen Uptake, and Soil Moisture Following Winter Legume Cover Crop vs. Fallow · 1998 · compared with unfertilized plots following a green manure crop

    Opposite direction

  8. negative
    Monoculture lowered wheat grain yield 32%.

    Effect of Crop Rotation and Cereal Monoculture on the Yield and Quality of Winter Wheat Grain and on Crop Infestation with Weeds and Soil Properties · 2019 · compared with CR system

    Opposite direction

336 papers more in this group

See all 345 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.