Intervention effectmodel-written summary

Sulfur application significantly increased seed yield over S0, from 2744 to 3215 kg ha-1 between S0 and S3.

A claim from Sulfur effects on sugar content, enzyme activity and seed yield of rapeseed (Brassica napus L.) · 2019

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Sulfur application significantly increased seed yield over S0, from 2744 to 3215 kg ha-1 between S0 and S3.

Taxon
rapeseedt0
Treatment
Sulfur applicatione0
Outcome
seed yielde0
Direction
increasede0
Value
2744 to 3215 kg ha-1e0
Comparator
control (S0 level)e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Verbatim

e0

“Sulfur application significantly increased seed yield compared to the control (S0 level), and it ranged from 2744 to 3215 kg ha-1 in S0 and S3”

✓ located verbatim in the source · abstract, characters 1178–1320
t0

“rapeseed (Brassica napus L.)”

✓ located verbatim in the source · title, characters 67–95

Title

Sulfur effects on sugar content, enzyme activity and seed yield of rapeseed (Brassica napus L.)

Valiollah Rameeh; Maryan Niakan; Mohammad Hossein Mohammadi Agronomía Colombiana 2019. doi:10.15446/agron.colomb.v37n3.71830

Other claims from this paper (4)

Record rev-20708293c83dff5a5e6f0d9460e3922c1730ca92dd1319f6b9e884ec1d7c57c6 · schema claims-v0.9 · position 5 in the model’s answer

sulfur atom · yield · Brassica napus (oilseed rape)Results differ

59 papers: 49 positive, 10 negative or no effect

48 papers in the same direction as this claim · 10 in the opposite direction

  1. positive
    N + S fertilization increased seed plus straw yield and seed plus straw S uptake relative to N alone in most cases.

    Effectiveness of sulphate-S fertilization at different growth stages for yield, seed quality and S uptake of canola · 2002 · compared with N alone

    Same directionCited by this paper

  2. no effect
    Sulphur did not increase seed yield with zero or low nitrogen rates.

    Sulphur uptake, yield responses and the interactions between nitrogen and sulphur in winter oilseed rape (Brassica napus) · 1996

    Opposite direction

  3. no effect
    S applied to the seedbed as calcium sulphate did not increase yield.

    Seedbed fertilizer requirements of winter oilseed rape · 1978

    Opposite direction

  4. negative
    Applying 65 kg/ha sulphur decreased oilseed rape yield by 11.4% compared with 40 kg/ha sulphur.

    Sulphur Nutrition and its Effect on Yield and Oil Content of Oilseed Rape (Brassica Napus L.) · 2017 · compared with sulphur dose of 40 kg.ha-1

    Opposite direction

  5. no effect
    Seed yield was generally unaffected by sulfur application time.

    Sulfur Nutrition of Rapeseed II. Effect of Time of Sulfur Application · 1984

    Opposite direction

  6. no effect
    Elemental S fertilizers did not significantly increase seed yield in their first application year.

    Optimizing yield and quality of canola seed with balanced fertilization in the Parkland Zone of western Canada · 2002

    Opposite direction

  7. no effect
    Sulphur level had no observed effect on yield parameters.

    Effect of sulphur levels on transgenic double‐low Brassica napus plants expressing a seed‐specific gene encoding a methionine‐rich 2S albumin · 1996

    Opposite direction

  8. no effect
    Sulfur application had no obvious yield increase.

    [Effects of sulfur on chemical properties of calcareous soil]. · 2007

    Opposite direction

50 papers more in this group

See all 59 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.