Intervention effectmodel-written summary

Foliar calcium fertilizer significantly increased dry matter accumulation in tomato.

A claim from Exogenous Calcium on Calcium Accumulation, Uptake and Utilization in Tomato · 2025

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Foliar calcium fertilizer significantly increased dry matter accumulation in tomato.

Treatment
foliar application of calcium fertilizere0
Outcome
dry matter accumulatione0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

e0

“foliar application of calcium fertilizer significantly increased dry matter accumulation, fruit quality, and yield.”

✓ located verbatim in the source · abstract, characters 361–476
t0

“Tomato”

✓ located verbatim in the source · title, characters 69–75

Title

Exogenous Calcium on Calcium Accumulation, Uptake and Utilization in Tomato

Chunyan Wu; Nan Xia; Wei Wang Horticulturae 2025. doi:10.3390/horticulturae11080986

Other claims from this paper (6)

Record rev-2c0b3aa856e013cf7ec0b4af2b4bc922192e41004e97e3765db30d3fc81f0f59 · schema claims-v0.9 · position 1 in the model’s answer

calcium atom · yield · Solanum lycopersicum (tomato)Results differ

79 papers: 67 positive, 12 negative or no effect

66 papers in the same direction as this claim · 11 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Increasing nutrient solution salinity progressively reduced tomato fruit yield (fresh weight) compared with 3 mS cm-1 in rockwool.

    Effects of increasing the salinity of the nutrient solution with major nutrients or sodium chloride on the yield, quality and composition of tomatoes grown in rockwool · 1991 · compared with 3 mS cm-1

    Opposite direction

  2. no effect
    Calcium and boron applications did not change total fruit yield.

    Blossom‐end rot and fruit cracking of tomato grown in net‐covered greenhouses in Central Thailand can partly be corrected by calcium and boron sprays · 2009

    Opposite direction

  3. negative
    Seeds from tomato plants given 100 mg Ca L‐1 were small, malformed and black.

    Occurrence of blossom‐end rot in tomato as a function of calcium dose in the nutrient solution and air relative humidity · 1998

    Opposite direction

  4. no effect
    N, K and Ca limitation did not affect Micro-Tom fruit yield.

    Metabolite profile of the tomato dwarf cultivar Micro‐Tom and comparative response to saline and nutritional stresses with regard to a commercial cultivar · 2015

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  5. no effect
    K source, K rate and Ca rate did not influence early or total fruit yields at either location.

    POTASSIUM SOURCE AND RATE AND CALCIUM RATE EFFECTS ON TOMATO YIELD AND QUALITY. · 1990

    Opposite direction

  6. negative
    Calcium-treated tomato fruits had lower fresh weight at harvest.

    Preharvest calcium chloride application improves postharvest keeping quality of tomato (Lycopersicon esculentum Mill.) · 2015

    Opposite direction

  7. no effect
    Foliar Ca sprays did not affect tomato yield significantly in the spring season.

    EFFECTS OF SALINITY ON TOMATO GROWING IN SUBSTRATE CULTURE · 2003 · compared with half day 2 and half day 6 dS.m-1

    Opposite direction

  8. no effect
    Average fruit weight did not differ significantly between low and medium calcium treatments.

    Effects of Calcium on Yield and Incidence of Blossom-end Rot of Three Tomato Cultivars · 1996 · compared with low

    Opposite direction

70 papers more in this group

See all 79 papers →

application · yield · Solanum lycopersicum (tomato)Positive and negative results

296 papers: 261 positive, 35 negative or no effect

260 papers in the same direction as this claim · 33 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Vermicompost spraying did not affect plant growth, biomass, nutrient allocation, yields, or fruit number.

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

    Opposite direction

  2. no effect
    Foliar K did not increase fruit yield.

    Processing Tomato Yield and Fruit Quality Improved with Potassium Fertigation · 2005

    Opposite direction

  3. no effect
    Nonmarketable yield was similar with and without sprays in both cultivars.

    Blossom‐end rot and fruit cracking of tomato grown in net‐covered greenhouses in Central Thailand can partly be corrected by calcium and boron sprays · 2009 · compared with without the sprays

    Opposite direction

  4. negative
    Foliar ammonium restricted tomato yield.

    Tomato growth responses to foliar application of ammonium sulfate in hydroponic culture · 2016

    Opposite direction

  5. no effect
    Weekly N and K injection schedule did not affect yield or other characteristics.

    Yield of Trickle-irrigated Tomatoes as Affected by Time of N and K Application · 1990

    Opposite direction

  6. no effect
    Tomato seed soaking at 0 to 1000 mg·L –1 paclobutrazol did not reduce average fruit weight or diameter.

    Effects of Soaking Cucumber and Tomato Seeds in Paclobutrazol Solutions on Fruit Weight, Fruit Size, and Paclobutrazol Level in Fruits · 2006

    Opposite direction

  7. no effect
    Foliar fertilizer did not affect fresh market and cherry tomato yield.

    Response of Hydroponically Grown Cherry and Fresh Market Tomatoes to Reduced Nutrient Concentration and Foliar Fertilizer Application under Shadenet Conditions · 2017

    Opposite direction

  8. no effect
    Chlorine injection intervals and concentrations did not significantly influence plant height, leaf area or tomato yield in either year.

    Tomato Yield and Quality and Emitter Clogging as Affected by Chlorination Schemes of Drip Irrigation Systems Applying Sewage Effluent · 2012

    Opposite direction

287 papers more in this group

See all 296 papers →

fertilization · yield · Solanum lycopersicum (tomato)Positive and negative results

978 papers: 850 positive, 128 negative or no effect

849 papers in the same direction as this claim · 104 in the opposite direction · 24 reporting no difference from an alternative

  1. no effect
    Reduced chemical fertilizer plus bio-organic fertilizer maintained tomato yields equivalent to full chemical fertilizer in pot and field trials.

    Bio-organic fertilizer with reduced rates of chemical fertilization improves soil fertility and enhances tomato yield and quality · 2020 · compared with 100% of the chemical fertilizer

    Opposite direction

  2. negative
    Yields of tomato, cucumber and sweet pepper decreased as EC of the nutrient solution increased.

    Sodium chloride salinity in fruit vegetable crops in soilless culture. · 1991

    Opposite direction

  3. negative
    Prolonged NFT solution recycling reduced tomato fresh and dry weight and yield versus regular renewal.

    Growth, Productivity, and Mineral Composition of Hydroponically Cultivated Greenhouse Tomatoes, with or without Nutrient Solution Recycling · 1996 · compared with plants grown in NFT with regular renewal of the nutrient solution

    Opposite direction

  4. negative
    Organic fertilizer gave significantly lower red tomato yields than mineral fertilizer.

    Impact of organic and inorganic fertilizers on yield, taste, and nutritional quality of tomatoes · 2006 · compared with mineral fertilizer

    Opposite direction

  5. negative
    Fruit number declined with chromium.

    Effects of chromium on the nutrient element content and morphology of tomato · 1995

    Opposite direction

  6. no effect
    Vermicompost spraying did not affect plant growth, biomass, nutrient allocation, yields, or fruit number.

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

    Opposite direction

  7. negative
    Half strength nutrient solution reduced tomato yields in the closed system in autumn.

    Effects of nutrition and Bacillus amyloliquefaciens on tomato (Solanum lycopersicum, L.) growing in perlite · 2008

    Opposite direction

  8. negative
    Moderately high conductivity decreased commercial tomato yield by 3% to 22%.

    Increased Electrical Conductivity in Nutrient Solution Management Enhances Dietary and Organoleptic Qualities in Soilless Culture Tomato · 2017

    Opposite direction

969 papers more in this group

See all 978 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.