Intervention effectmodel-written summary

Sulphur applied with nitrogen or boron significantly increased rapeseed yield.

A claim from Interactive Effect of Sulphur and Nitrogen or Boron on Rapeseed Yield and Quality · 2001

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Sulphur applied with nitrogen or boron significantly increased rapeseed yield.

Taxon
rapeseede1
Treatment
application of sulphur in combination with nitrogen or borone1
Outcome
yielde1
Direction
increasede1
Setting
Field and pot experimentse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

Verbatim

e0

“Field and pot experiments were conducted in 1995-1996”

✓ located verbatim in the source · abstract, characters 0–53
e1

“The application of sulphur in combination with nitrogen or boron significantly increased the yield of rapeseed”

✓ located verbatim in the source · abstract, characters 55–165

Title

Interactive Effect of Sulphur and Nitrogen or Boron on Rapeseed Yield and Quality

Xing Liao T'u Jang T'ung Pao 2001

Other claims from this paper (6)

Record rev-ef42fbb1ebee373fe412ed3aee494aa5fa85f759b3346918b0e888198c833cee · schema claims-v0.9 · position 1 in the model’s answer

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

55 papers: 46 positive, 9 negative or no effect

45 papers in the same direction as this claim · 9 in the opposite direction

  1. negative
    Dry matter yields of oilseed rape grown at 0.025 and 5.0 μg B/mL were lower than at 0.5 μg B/mL.

    Interaction of silicon and boron in oilseed rape plants · 1994 · compared with containing 0.5 μg B/mL

    Opposite direction

  2. no effect
    Boron fertilization had minimal effect on seed yield.

    Uptake and nutrient balance of nitrogen, sulfur, and boron for optimal canola production in eastern Canada · 2019

    Opposite direction

  3. no effect
    Boron application produced no significant increase in canola seed yield in any of the 22 experiments.

    Canola response to boron in Canadian prairie soils · 2003

    Opposite direction

  4. negative
    Boron application decreased average canola seed yield by 31%.

    STUDIES ON DIFFERENTIAL RESPONSE OF SPRING CANOLA CULTIVARS TO BORON TOXICITY · 2010 · compared with B moderate deficiency

    Opposite direction

  5. no effect
    Foliar boron alone or with Mo or Mn had no effect on canola grain yield.

    FOLIAR SPRAY EXPERIMENTS IDENTIFY NO BORON DEFICIENCY BUT MOLYBDENUM AND MANGANESE DEFICIENCY FOR CANOLA GRAIN PRODUCTION ON ACIDIFIED SANDY GRAVEL SOILS IN SOUTHWESTERN AUSTRALIA · 2011

    Opposite direction

  6. negative
    Two foliar boron sprays applied at five different growth stages slightly decreased root yield of rutabaga.

    EFFECTS OF FOLIAR SPRAYS OF BORON APPLIED AT DIFFERENT STAGES OF GROWTH ON INCIDENCE OF BROWN-HEART IN RUTABAGAS · 1987

    Opposite direction

  7. negative
    Excess boron fertilizer decreased rape seed yield in boron deficient soil.

    Application Effect of Granubor and Solubor in Rape · 2012

    Opposite direction

  8. negative
    Boron application above 5.1 kg/hm~2 decreased rape grain yield.

    Response of different B fractions in rape leaves to the amount of boron fertilizer · 2004

    Opposite direction

46 papers more in this group

See all 55 papers →

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. 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

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

    Seedbed fertilizer requirements of winter oilseed rape · 1978

    Opposite direction

  3. 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

  4. 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

  5. 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

  6. 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

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

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

    Opposite direction

  8. no effect
    The nitrogen by sulphur interaction did not significantly affect seeds per rapeseed silique in any year.

    Sulphur as a factor that affects nitrogen effectiveness in spring rapeseed agrotechnics. Part I. Chosen yield components · 2016

    Opposite direction

50 papers more in this group

See all 59 papers →

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

239 papers: 198 positive, 41 negative or no effect

197 papers in the same direction as this claim · 34 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
    Nitrate restriction decreased seed yield in both genotypes.

    The contrasting N management of two oilseed rape genotypes reveals the mechanisms of proteolysis associated with leaf N remobilization and the respective contributions of leaves and stems to N storage and remobilization during seed filling · 2015

    Opposite direction

  2. negative
    Lower nitrogen reduced seed yield with full irrigation.

    The Effects of Drought and Nitrogen on Light Interception, Growth and Yield of Winter Oilseed Rape · 1996

    Opposite direction

  3. negative
    Suboptimal nitrogen reduced biomass and seed yield by 24% for Apex.

    Root growth and N‐uptake activity of oilseed rape (Brassica napus L.) cultivars differing in nitrogen efficiency · 2005

    Opposite direction

  4. negative
    Source-to-sink remobilization under N deficiency elevated the numbers of branches and pods per plant during the reproductive stage

    Increased nitrogen use efficiency via amino acid remobilization from source to sink organs in Brassica napus · 2022

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

  5. negative
    Compared with sidebanding, seedrow placement at 80 and 120 kg N ha-1 generally reduced emergence, yield and nitrogen uptake.

    Placement, rate and source of N, seedrow opener and seeding depth effects on canola production · 2004 · compared with sidebanding

    Opposite direction

  6. no effect
    Spring nitrogen rates or timing had no consistent effect on yield or yield components

    Factors affecting growth and yield of winter oilseed rape (Brassica napus), 1985–89 · 1994

    Opposite direction

  7. negative
    Spring and fall applied nitrogen fertilizers, with and without N-Serve, increased herbage yield of oilseed rape.

    THE EFFECTS OF 2-CHLORO-6 (TRICHLOROMETHYL)-PYRIDINE (’N-SERVE’) AND N FERTILIZERS ON PRODUCTIVITY AND QUALITY OF CANADIAN OILSEED RAPE · 1990

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

  8. no effect
    Timing from mid-February to late March had little influence on seed yield.

    Nitrogen top‐dressing requirements of winter oilseed rape · 1979

    Opposite direction

230 papers more in this group

See all 239 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.