Intervention effectmodel-written summary

The HI-S:total S ratio was not affected by nitrogen fertilizer application at normal field rates in a growth chamber study.

A claim from USE OF PLANT ANALYSIS TO PREDICT SULFUR DEFICIENCY IN RAPESEED (Brassica napus and B. campestris) · 1983

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The HI-S:total S ratio was not affected by nitrogen fertilizer application at normal field rates in a growth chamber study.

Taxon
rapeseede0
Treatment
nitrogen fertilizer application at normal field ratese2
Outcome
HI-S:total S ratioe2
Direction
not be affectede2
Setting
growth chambere2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

Verbatim

e0

“The sulfur status of rapeseed (Brassica napus and Brassica campestris) plants grown in field studies was assessed using a variety of plant indices”

✓ located verbatim in the source · abstract, characters 0–146
e2

“A growth chamber study indicated that the HI-S:total S ratio would not be affected by nitrogen fertilizer application at normal field rates”

✓ located verbatim in the source · abstract, characters 400–539

Title

USE OF PLANT ANALYSIS TO PREDICT SULFUR DEFICIENCY IN RAPESEED (Brassica napus and B. campestris)

D. G. MAYNARD; J. W. B. STEWART; J. R. BETTANY Canadian Journal of Soil Science 1983. doi:10.4141/cjss83-037

Other claims from this paper (1)

Record rev-70acd227bfd2e5ef40025c03c6f180c42c89a1b40450f2f789936a12bc58c3a1 · schema claims-v0.9 · position 2 in the model’s answer

fertilization · yield · Brassica napus (oilseed rape)Positive and negative results

378 papers: 337 positive, 41 negative or no effect

40 papers in the same direction as this claim · 337 in the opposite direction

  1. negative
    Late sulfur fertilization generally reduced grain yield relative to fertilization at seeding.

    The effect of time of S application on yield and sulphur uptake of canola · 1991 · compared with at seeding

    Same directionCites this paper

  2. positive
    NPK increased rapeseed yield 61-76% over PK across sites.

    Effects of fertilization on crop production and nutrient-supplying capacity under rice-oilseed rape rotation system · 2017 · compared with PK fertilization

    Opposite direction

  3. positive
    P increased rape yields.

    Effects of Nitrogen and Phosphorus Fertilization on Plant Growth and Nitrate Accumulation in Vegetables · 2004

    Opposite direction

  4. positive
    The 3% calcium-fortified composted manure significantly enhanced growth and yield parameters of canola compared with control.

    Alleviation of Salinity-Induced Oxidative Stress, Improvement in Growth, Physiology and Mineral Nutrition of Canola (Brassica napus L.) through Calcium-Fortified Composted Animal Manure · 2020 · compared with control

    Opposite direction

  5. positive
    N fertilization increased oilseed rape grain yield by 109–160%.

    Nitrogen Fertilizer Management for Enhancing Crop Productivity and Nitrogen Use Efficiency in a Rice-Oilseed Rape Rotation System in China · 2016 · compared with RO1

    Opposite direction

  6. positive
    Sulphur fertilizer solved the problem of poor seed set in rapeseed cultivars.

    THE EFFECT OF NITROGEN, SULPHUR AND BORON ON YIELD AND QUALITY OF RAPESEED (Brassica napus L. and B. campestris L.) · 1987

    Opposite direction

  7. positive
    Fertilization treatments improved grain yield.

    Improving yield-related physiological characteristics of spring rapeseed by integrated fertilizer management under water deficit conditions · 2020

    Opposite direction

  8. positive
    Tested fertilization significantly affected seed yield relative to the unfertilized control at 2.24 t ha −1.

    Effect of Timing and Nitrogen Fertilizer Application on Winter Oilseed Rape (Brassica napus L.). I. Growth Dynamics and Seed Yield · 2004 · compared with control

    Opposite direction

369 papers more in this group

See all 378 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.