Intervention effectmodel-written summary

Dairy manure digestate gave the highest red tomato yield, 7.13 tonne*ha-1.

A claim from Digestate Biofertilizers Support Similar or Higher Tomato Yields and Quality Than Mineral Fertilizer in a Subsurface Drip Fertigation System · 2019

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Dairy manure digestate gave the highest red tomato yield, 7.13 tonne*ha-1.

Treatment
ultrafiltered dairy manure digestate biofertilizere0
Outcome
yield of red tomatoese0
Direction
higheste0
Value
7.13 tonne*ha-1e0
Comparator
mineral N fertilizer treatmentse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

“The ultrafiltered dairy manure digestate biofertilizer (DMP) had the highest yield of red tomatoes (7.13 tonne*ha-1) followed by the concentrated food waste digestate biofertilizer (FWC) and mineral N fertilizer treatments with 6.26 and 5.98 tonne*ha-1, respectively.”

✓ located verbatim in the source · abstract, characters 782–1049

Title

Digestate Biofertilizers Support Similar or Higher Tomato Yields and Quality Than Mineral Fertilizer in a Subsurface Drip Fertigation System

Tyler J. Barzee; Abdolhossein Edalati; Hamed El-Mashad; et al. Frontiers in Sustainable Food Systems 2019. doi:10.3389/fsufs.2019.00058

Other claims from this paper (5)

Record rev-bbba12164ee7906245620d8d5427ed3fc3a0a52a61ca66c55a68e3353bed8493 · schema claims-v0.9 · position 2 in the model’s answer

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

201 papers: 172 positive, 29 negative or no effect

171 papers in the same direction as this claim · 27 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Reduced chemical fertilizer plus Trichoderma inoculant alone decreased tomato yield by 6–38% against control.

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

    Opposite direction

  2. negative
    Inoculated controls yielded 63% of uninoculated controls in 1995.

    Effect of Bactericides on Population Sizes and Spread of Clavibacter michiganensis subsp. michiganensis on Tomatoes in the Greenhouse and on Disease Development and Crop Yield in the Field · 2000 · compared with uninoculated controls

    Opposite direction

  3. no effect
    The CP+ line showed no fruit yield reduction after inoculation with U1 or PV230, unlike inoculated control plants.

    Field Resistance of Transgenic Tomatoes Expressing the Tobacco Mosaic Virus or Tomato Mosaic Virus Coat Protein Genes · 1992 · compared with inoculated control plants

    Opposite direction

  4. negative
    Yield accumulation was significantly reduced in tomato plants inoculated within the window of vulnerability compared with those inoculated later.

    Effects of plant age on disease development and virulence of Clavibacter michiganensis subsp. michiganensis on tomato · 2012 · compared with those inoculated after this period

    Opposite direction

  5. negative
    Severe disease from artificial inoculation reduced yield 10% to 34% in some cultivars.

    MEASURING EARLY BLIGHT, ITS PROGRESS AND INFLUENCE ON FRUIT LOSSES IN NINE TOMATO CULTIVARS' · 1974

    Opposite direction

  6. no effect
    Positive effects of bacterial inoculants on tomato physiology and fruit yield were seen in some cases but were not statistically significant.

    Bacterial Inoculants Mitigating Water Scarcity in Tomato: The Importance of Long-Term in vivo Experiments · 2021

    Opposite direction

  7. negative
    Effective microorganism application reduced tomato leaf dry matter yield, number of leaves, and number of trusses.

    Effects of the integrated use of effective micro-organisms, compost and mineral fertilizer on greenhouse-grown tomato · 2012

    Opposite direction

  8. negative
    Inoculation significantly reduced estimated yield of tomato in both years.

    Effects of Pruning on Tomato Plants Supporting Epiphytic Populations ofClavibacter michiganensissubsp.michiganensis · 1994

    Opposite direction

192 papers more in this group

See all 201 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. 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 directionCited by this paper

  2. positive
    Yield increased only when fertigation began during early fruit set.

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

    Same directionCited by this paper

  3. positive
    The fertilizer treatments increased tomato fruit number by 15% relative to controls.

    Using Digestate and Biochar as Fertilizers to Improve Processing Tomato Production Sustainability · 2020 · compared with untreated control

    Same directionCites this paper

  4. positive
    W1SOSC promoted tomato yield to 73.40 t ha−1.

    Water consumption, soil nitrate-nitrogen residue and fruit yield of drip-irrigated greenhouse tomato under various irrigation levels and fertilization practices · 2022

    Same directionCites this paper

  5. positive
    Combined fertilization raised field yield by 26.29% over chemical fertilizer.

    Impact of organic fertilization by the digestate from by-product on growth, yield and fruit quality of tomato (Solanum lycopersicon) and soil properties under greenhouse and field conditions · 2023 · compared with chemical fertilizer treatment

    Same directionCites this paper

  6. positive
    Fertilized treatments increased tomato yield by 113–129% against unfertilized plants.

    Combining bio-based fertilizers with amendment and fertilizing value as a sustainable way for cherry tomato production · 2025 · compared with unfertilized treatment

    Same directionCites this paper

  7. positive
    The compost-FWDD blend yielded the largest average fruit weight.

    Circular urban agriculture: Food waste-derived fertilizers lead to comparable yields in a tomato greenhouse experiment · 2025

    Same directionCites this paper

  8. 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

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.