Intervention effectmodel-written summary

The 600 g phosphorus plus 0.75% zinc sulphate combination was best for most yield and quality parameters.

A claim from Effect of phosphorus and zinc sulphate on yield attributes and quality of guava (Psidium guajava L.) cv. Gwalior 27 · 2019

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 600 g phosphorus plus 0.75% zinc sulphate combination was best for most yield and quality parameters.

Treatment
600 g phosphorus per plant, spray of 0.75% zinc sulphatee0
Outcome
yield and quality parameterse0
Direction
beste0
Comparator
P3 X Zn3e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“600 g phosphorus per plant, spray of 0.75% zinc sulphate (P4xZn3), followed by P3 X Zn3 (P2O5 500 g/ plant & ZnSO4 @ 0.75 %) were found to be the best treatments for almost all yield and quality parameters of guava plant”

✓ located verbatim in the source · abstract, characters 572–792

Title

Effect of phosphorus and zinc sulphate on yield attributes and quality of guava (Psidium guajava L.) cv. Gwalior 27

Dinesh Singh Dhakar; A. K. Barholia; Rajesh Jatav; et al. Journal of Pharmacognosy and Phytochemistry 2019

Record rev-2f151583bb9077d0b50e6f20740118168fe7810427da4cea0213d38b9a0a4050 · schema claims-v0.9 · position 1 in the model’s answer

zinc sulfate · quality: general · Psidium guajava (guava)Results agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this claim

  1. positive
    Borax 0.8% plus ZnSO4 0.8% plus NAA 100 ppm was significantly superior to control and other treatments for guava yield and quality attributes.

    Effect of foliar nutrition of Zinc sulphate, borax and NAA on yield and quality of Guava (Psidium guajava L.) cv. Allahabad Safeda · 2018 · compared with control and rest of treatments

    Same direction

  2. positive
    A 0.6% zinc sulphate spray increased postharvest guava fruit quality on day nine over the control.

    Effect of pre-harvest spray of plant growth regulators and nutrients on post-harvest quality of guava (Psidium guajava L.) · 2018 · compared with control

    Same direction

  3. positive
    The combined high-dose foliar treatment was significantly superior for growth, yield and quality.

    Influence of foliar nutrition of urea, borax and zinc sulphate on growth, yield and quality of guava (Psidium guajava L.) cv. Rewa-72 · 2019 · compared with control and rest of treatments

    Same direction

  4. positive
    Soil application of zinc sulphate significantly increased growth, yield and quality of guava fruit compared with the control.

    Effect of Soil Application of Zinc Sulphate on Growth, Yield and Quality of Guava cv. L-49 · 2023 · compared with Control

    Same direction

  5. positive
    Foliar Zinc Sulphate and Brassinosteroids improved overall taste of guava fruit.

    To Study the Effect of Foliar Spray of Zinc Sulphate and Brassinosteroids on Physiological and Quality Parameters of Guava (Psidium guajava L.) cv. Allahabad Safeda · 2024

    Same direction

See all 6 papers →

application · quality: general · Psidium guajava (guava)Positive and negative results

8 papers: 7 positive, 1 negative or no effect

6 papers in the same direction as this claim · 1 in the opposite direction

  1. no effect
    Foliar salicylic acid did not mitigate salinity damage to guava seedling growth and quality.

    Gas exchange, growth and quality of guava seedlings under salt stress and salicylic acid · 2022

    Opposite direction

  2. positive
    Foliar plant nutrients improved guava quality parameters over the control.

    Effect of foliar sprays of urea, potassium sulphate and zinc sulphate on quality of guava cv. Taiwan pink · 2017 · compared with the control

    Same direction

  3. positive
    Foliar fertilizer significantly increased guava fruit quality and production.

    Effect of Foliar Application of Zinc on Growth and Yield of Guava (Psidium Guajava L.) · 2016

    Same direction

  4. positive
    Foliar zinc application significantly increased guava fruit quality and production compared with plants without foliar application.

    Effect of Foliar Application of Zinc on Growth and Yield of Guava (Psidium Guajava L.) · 2016 · compared with plants with no foliar application

    Same direction

  5. positive
    A 15 per cent urea spray had no adverse effect on fruit yield and quality.

    Effect of urea spray on the crop regulation of guava cv. Allahabad safeda · 1994

    Same direction

  6. positive
    Micronutrients with mulch significantly enhanced guava growth, yield and quality.

    INTEGRATIVE APPROACHES OF MICRONUTRIENTS AND MULCH ON YIELD, QUALITY AND SOIL PROPERTIES OF GUAVA (PSIDIUM GUAJAVA L.) CV. HISAR SURKHA · 2024

    Same direction

  7. positive
    Foliar spraying with glycine and phenylalanine improved guava seedling development, productivity and quality in Iraq.

    The role of amino acids glycine and phenylalanine in some physiological characteristics of guava seedlings newly introduced to Iraq · 2026

    Same direction

See all 8 papers →

phosphorus · quality: general · Psidium guajava (guava)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this claim

  1. positive
    Fruit yields and quality of guava were highest with vermicompost, Azotobacter, T. harzianum, PSM and organic mulching combined.

    Response Of Guava Trees (Psidium Guajava) To Soil Applications Of Mineral And Organic Fertilisers And Biofertilisers Under Conditions Of Low Fertile Soil · 2014

    Same direction

  2. positive
    Half dose of recommended fertilizers plus 50 kg FYM inoculated with Azospirillum was most effective in increasing vegetative growth, yield and quality of guava fruits.

    Studies on integrated nutrient management on yield and quality of guava cv. Pant Prabhat · 2015

    Same direction

See all 3 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.