Intervention effectmodel-written summary

Organic manure produced more phenolics, alkaloids and flavonoids in cabbage than inorganic fertilizer.

A claim from Influence of Organic Manure and Inorganic Fertilizer on the Growth, Yield and Phytochemical Constituents of Cabbage (Brassica oleracea) · 2019

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic manure produced more phenolics, alkaloids and flavonoids in cabbage than inorganic fertilizer.

Treatment
organic manuree0
Outcome
phenolics, alkaloids and flavonoidse0
Direction
moree0
Comparator
inorganic fertilizere0

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

e0

“more phenolics, alkaloids and flavonoids were present in cabbage grown with organic manure than in inorganic fertilizer”

✓ located verbatim in the source · abstract, characters 1369–1488

Title

Influence of Organic Manure and Inorganic Fertilizer on the Growth, Yield and Phytochemical Constituents of Cabbage (Brassica oleracea)

S. Mayowa Obidola; I. Ibrahim, Iro; Z. Agwom, Rebecca Asian Journal of Agricultural and Horticultural Research 2019. doi:10.9734/ajahr/2019/v4i130012

Other claims from this paper (5)

Record rev-aa7c8534fc0d809bae5167a11ae817c3957b444ee4193e179bb6b973f11b3b49 · schema claims-v0.9 · position 6 in the model’s answer

fertilization · quality: phytochemicals · Brassica oleracea (wild cabbage)Results differ

66 papers: 57 positive, 9 negative or no effect

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

  1. no effect
    Total glucosinolate content did not differ significantly between rich and poor sulphur fertilisation.

    Total and individual glucosinolate contents in inflorescences of eight broccoli cultivars grown under various climatic and fertilisation conditions · 2003 · compared with poor

    Opposite direction

  2. no effect
    Nitrogen fertilization rate does not affect broccoli weight and vitamin C losses during storage in the first year.

    Effect of nitrogen fertilization on head size, vitamin C content and storage life of broccoli (Brassica oleracea var. Italica) · 1994

    Opposite direction

  3. negative
    Nitrogen and sulfur fertilization tended to decrease broccoli vitamin C by about 9.2% versus control.

    Selected yield and qualitative parameters of broccoli in dependence on nitrogen,sulfur, and zinc fertilization · 2016 · compared with the control

    Opposite direction

  4. negative
    Higher ammonium proportion decreased vitamin C in kale leaves and stalks.

    Effect of Ammonium and Nitrate Ratio on Nutritional Quality of Chinese Kale · 2012

    Opposite direction

  5. negative
    Fertilised treatments had significantly lower ascorbic acid content (282-301 mg/kg) than the unfertilised control (334 mg/kg).

    Digestate is equal or a better alternative to mineral fertilization of kohlrabi · 2013 · compared with unfertilised control

    Opposite direction

  6. negative
    Phenolic content tended to decrease as vermicompost rose.

    Vermicompost soil amendment influences yield, growth responses and nutritional value of Kale (Brassica oleracea Acephala group), Radish (Raphanus sativus) and Tomato (Solanum lycopersicum L) · 2021

    Opposite direction

  7. no effect
    Fertilization did not influence antioxidant capacity, total phenols, ascorbic acid or phenolic acids.

    EFFECT OF ANAEROBIC DIGESTATES APPLICATION ON QUALITATIVE TRAITS IN EARLY AND LATE CAULIFLOWER · 2013

    Opposite direction

  8. no effect
    The study found no evidence that organic chicken manure N nutrition affects broccoli glucosinolate concentrations.

    Organic Nitrogen Nutrition Does Not Increase Glucosinolate Concentrations in Broccoli (Brassica oleracea L. var. italica) · 2024

    Opposite direction

57 papers more in this group

See all 66 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.