Intervention effectmodel-written summary

The highest cabbage yield occurred at 150 kg N/ha plus 60 kg S/ha.

A claim from Effect of different levels of nitrogen and Sulphur on the growth, Yield and quality of cabbage [Brassica OleraceaVar.CapitataL.] · 2015

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest cabbage yield occurred at 150 kg N/ha plus 60 kg S/ha.

Treatment
150 kg N/ha and 60 kg S/hae0
Outcome
yielde0
Direction
maximume0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Brassica oleracea var. capitata
Brassica oleracea var. capitata · TaxonThamizhpparithi Maari · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum yield recorded under treatment combination 150 kg N/ha and 60 kg S/ha.”

✓ located verbatim in the source · abstract, characters 558–640
t0

“cabbage”

✓ located verbatim in the source · title, characters 87–94

Title

Effect of different levels of nitrogen and Sulphur on the growth, Yield and quality of cabbage [Brassica OleraceaVar.CapitataL.]

Hemlata Verma; D.D. Nawange Agricultural Science Digest - A Research Journal 2015. doi:10.5958/0976-0547.2015.00028.2

Other claims from this paper (3)

Record rev-bc3f288d4eb5f2f7c72a155e61bed075ab7c72fb9505cab905bb149b2e67076b · schema claims-v0.9 · position 4 in the model’s answer

nitrogen · yield · Brassica oleracea (wild cabbage)Results differ

164 papers: 144 positive, 20 negative or no effect

143 papers in the same direction as this claim · 17 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    The 175 kg/ha nitrogen plus 125 kg/ha potassium treatment produced maximum head weight and yields per plot and hectare.

    Effect of nitrogen and potassium inputs on cabbage (Brassica oleracea var.capitata) production and profitability in the terai region of West Bengal · 2025

    Same directionCites this paper

  2. negative
    Inadequate nitrogen and possibly sulphur limited kale production after the first year.

    Pasture growth and soil fertility · 1965

    Opposite direction

  3. no effect
    Yields of cabbage, carrots and onions were generally unaffected by N rate, except in cabbage in 2000.

    Assessment of Chlorophyll and Nitrate Meters as Field Tissue Nitrogen Tests for Cabbage, Onions, and Carrots · 2004

    Opposite direction

  4. no effect
    Reducing N fertilization from 528 to 401 kg N ha-1 had no significant effect on yields

    N2O fluxes from a Haplic Luvisol under intensive production of lettuce and cauliflower as affected by different N‐fertilization strategies · 2010 · compared with good agricultural practice

    Opposite direction

  5. no effect
    Harvest index was unchanged by nitrogen treatment.

    Nitrogen fertilization and head rot in broccoli · 1994

    Opposite direction

  6. no effect
    Nitrogen rates did not affect Florida 2016 cabbage yield.

    Nitrogen Fertilizer Management and Cultivar Selection for Cabbage Production in the Southeastern United States · 2020

    Opposite direction

  7. negative
    Soil mineral N at harvest was 78 kg N ha−1 after 240 kg N ha−1 fertilizer.

    Nitrogen fertilization to broccoli cultivars at different planting times: Yield and nitrogen use · 2006 · compared with unfertilized plots

    Opposite direction

  8. no effect
    Total cabbage yield was unaffected by the nitrogen rate.

    Influence of Nitrogen Rate, Fertilizer Type, and Application Method on Cabbage Yield and Nutrient Concentrations · 2022

    Opposite direction

155 papers more in this group

See all 164 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.