Intervention effectmodel-written summary

The 15-0-14 (nitrate of soda/potash) nitrogen source gave higher soluble solids and dry weights in cabbage than the other nitrogen sources.

A claim from EFFECTS OF NITROGEN SOURCES AND RATES ON CABBAGE YIELDS. · 1990

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 15-0-14 (nitrate of soda/potash) nitrogen source gave higher soluble solids and dry weights in cabbage than the other nitrogen sources.

Treatment
15-0-14 (nitrate of soda/potash)e1
Outcome
soluble solids and dry weightse1
Direction
higher levelse1
Comparator
other N-sources of sodium-, ammonium-, potassium-, and calcium nitratee1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

e1

“The 15-0-14 (nitrate of soda/potash) gave higher total and early yields; higher levels of soluble solids and dry weights when compared to other N-sources of sodium-, ammonium-, potassium-, and calcium nitrate”

✓ located verbatim in the source · abstract, characters 391–599
e2

“responses of `Market Prize' cabbage”

✓ located verbatim in the source · abstract, characters 18–53

Title

EFFECTS OF NITROGEN SOURCES AND RATES ON CABBAGE YIELDS.

J. T. Garrett HortScience 1990. doi:10.21273/hortsci.25.8.859c

Other claims from this paper (2)

Record rev-aa790ee63dc683273c6ead564fdea2000e7d45ddb9eba574f05ef13a4349a495 · schema claims-v0.9 · position 2 in the model’s answer

potassium · quality: sugar starch · Brassica oleracea (wild cabbage)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this claim · 2 in the opposite direction

  1. no effect
    Potassium rates did not influence measured postharvest chemical quality traits.

    Yield and postharvest quality of cauliflower according to rates of potassium in top dressing. · 2012

    Opposite direction

  2. negative
    In the 0.2-0.4 m layer, K2O increased soil Al and potential acidity.

    Soil chemical modifications after cauliflower cultivation in response to gypsum and potassium applications · 2025

    Opposite direction

  3. positive
    The 75 kg P2O5 and 45 kg K2O combination produced highest curd Vitamin C, TSS and nitrogen.

    Influence of Phosphorus and Potassium on Growth and Yield of Cauliflower · 2017

    Same direction

See all 4 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.