Intervention effectmodel-written summary

T4 decreasing organic acid content compared with control.

A claim from Effects of Fertilization Frequency and Amount on the Chemometric Characteristics, Physiology, and Yield of Tomato Under Substrate Cultivation · 2025

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T4 decreasing organic acid content compared with control.

Treatment
fertilization every 5 days at 31.38 kg·ha⁻¹e0
Outcome
organic acid contente0
Direction
decreasinge0
Comparator
controle0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Tomato”

✓ located verbatim in the source · title, characters 107–113
e0

“Compared with the control, fertilization every 5 days at 31.38 kg·ha⁻¹ (T4) significantly increased soluble sugar and soluble solids content in tomato fruits while decreasing organic acid content, without significantly affecting vitamin C content or yield.”

✓ located verbatim in the source · abstract, characters 613–869

Title

Effects of Fertilization Frequency and Amount on the Chemometric Characteristics, Physiology, and Yield of Tomato Under Substrate Cultivation

Enling Ji; Qianqian Di; Qingjie Du; et al. American journal of biochemistry & biotechnology/American journal of biochemistry and biotechnology 2025. doi:10.3844/ajbbsp.2025.577.590

Other claims from this paper (7)

Record rev-e9d8a654811fc06bace772c267cd1dbc9a59a7a7bc7ecdb4e8c1e453787607ab · schema claims-v0.9 · position 5 in the model’s answer

fertilization · molecular: metabolites · Solanum lycopersicum (tomato)Positive and negative results

127 papers: 107 positive, 20 negative or no effect

106 papers in the same direction as this claim · 19 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Vermicompost spraying decreased fruit L-ascorbic acid relative to water spraying.

    Foliar Spraying of Vermicornpost Extracts: Effects on Fruit Quality and Indications of Late-Blight Suppression of Field-Grown Tomatoes · 2006 · compared with water sprayed fruits

    Opposite direction

  2. no effect
    Heavy metal concentrations in tomato fruits and leaves were essentially the same across all plants grown on compost and beached Posidonia oceanica.

    Growth and Yield Characteristics and Heavy Metal Content on Tomatoes Grown in Different Growing Media · 2004 · compared with all the plants

    Opposite direction

  3. no effect
    Potassium rate had no effect on soluble solids without irrigation.

    Responses of Fruit Yield and Quality of Processing Tomato to Drip‐Irrigation and Fertilizers Phosphorus and Potassium · 2011

    Opposite direction

  4. no effect
    AOA added to NH4-based nutrition had no effect on spermidine in tomato.

    Polyamine Concentration and Ethylene Evolution in Tomato Plants under Nutritional Stress · 1993

    Opposite direction

  5. no effect
    Fertilization levels had no significant effect on iron, manganese and copper content in the index parts of greenhouse tomato.

    NUTRITION STATUS OF GREENHOUSE TOMATO GROWN IN INERT MEDIA. Part II. MICROELEMENTS · 2003

    Opposite direction

  6. negative
    Commercial fertilizer with cattle manure decreased tomato β-carotene.

    Cover Crops and Manure Combined with Commercial Fertilizers Differently Affect Yield and Quality of Processing Tomato (Solanum lycopersicum L.) Organically Grown in Puglia · 2021

    Opposite direction

  7. negative
    Fertilizer above the low level increased residual soil salt content.

    Yield Response of Staked, Fresh-market Tomatoes to Reduced Use of Fertilizers and Insecticides1 · 1982 · compared with 1 × level

    Opposite direction

  8. no effect
    Fertilizer type did not affect proximate content of tomato fruit.

    Fertilizer type and harvest maturity index on nutritive content and proximate composition of tomato fruit · 2021

    Opposite direction

118 papers more in this group

See all 127 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.