Intervention effectmodel-written summary

The same combination increased yield to 28.43 t/ha compared with control.

A claim from Interactive effects of nitrogen, phosphorus and zinc on growth and yield of Tomato (Solanum lycopersicum) · 2012

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same combination increased yield to 28.43 t/ha compared with control.

Treatment
nitrogen at 150 kg/ha, phosphorus at 100 kg/ha and zinc at 10 ppme0
Outcome
Total yielde0
Direction
increasede0
Value
28.43 t/hae0
Qualifier
100%e0
Comparator
controle0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting

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

“Total yield (28.43 t/ha) was 100% increased as compared to control (13.44 t/ha) when plots received nitrogen at 150 kg/ha, phosphorus at 100 kg/ha and zinc at 10 ppm”

✓ located verbatim in the source · abstract, characters 1055–1220
e1

“growth and yield of tomato”

✓ located verbatim in the source · abstract, characters 83–109

Title

Interactive effects of nitrogen, phosphorus and zinc on growth and yield of Tomato (Solanum lycopersicum)

Haq Nawaz African Journal of Agricultural Research 2012. doi:10.5897/ajar12.1027

Other claims from this paper (4)

Record rev-a244f5089873efb408b01236ad9363fa57f45269be24ed7339cb8a9d95fbe7c2 · schema claims-v0.9 · position 5 in the model’s answer

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

45 papers: 44 positive, 1 negative or no effect

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

  1. positive
    Zinc application gave H-1015 the highest yield compared with zinc-free and control treatments in both seasons.

    The effect of zinc fertilization on yield and quality of commercial processing tomato (Solanum lycopersicum L.) cultivars · 2024 · compared with zinc-free and control treatments

    Same directionCites this paper

  2. negative
    Added zinc significantly reduced tomato root and shoot biomass, height, and fruit number.

    The Effects of Seed Inoculation with Bacterial Biofilm on the Growth and Elemental Composition of Tomato (Solanum lycopersicum L.) Cultivated on a Zinc-Contaminated Substrate · 2024 · compared with without added zinc

    Opposite direction

  3. positive
    Zinc amendments reduced fusaric acid production in the rockwool bioassay.

    Zinc Improves Biocontrol of Fusarium Crown and Root Rot of Tomato by Pseudomonas fluorescens and Represses the Production of Pathogen Metabolites Inhibitory to Bacterial Antibiotic Biosynthesis · 1997

    Same direction

  4. positive
    Combined foliar Zn and Fe gave maximum fruits per cluster of 8.

    Effects of Zn, Fe and their Combination Treatments on the growth and yield of tomato · 2013

    Same direction

  5. positive
    Low to moderate B and Zn applications increased economic yields of cauliflower and tomato by 8 to more than 100%.

    Boron and zinc fertilizer applications are essential in emerging vegetable‐based crop rotations in Nepal · 2020

    Same direction

  6. positive
    Foliar Zn and B produced maximum fruit yield in 2013.

    Effectiveness of soil and foliar applications of zinc and boron on the yield of tomato · 2016

    Same direction

  7. positive
    Combined zinc and boron at 100 ppm gave the maximum number of flowers, 75.21.

    Improvement of growth, yield and quality of tomato (Solanum lycopersicum L.) cv. Azad T-6 with foliar application of zinc and boron · 2015

    Same direction

  8. positive
    The combined Zn, B and N foliar treatment improved tomato fruit number, average fruit weight and yield per plant.

    Combined Efficacy of Macro-Nutrients and Micro-Nutrients as Foliar Application on Growth and Yield of Tomato Grown By Vegetable Forcing · 2011

    Same direction

36 papers more in this group

See all 45 papers →

phosphorus · yield · Solanum lycopersicum (tomato)Results differ

101 papers: 80 positive, 21 negative or no effect

79 papers in the same direction as this claim · 17 in the opposite direction · 4 reporting no difference from an alternative

  1. positive
    Added phosphorus significantly increased tomato yield up to 50 ppm, implying greater phosphorus need under chloride salinity.

    Responses of growth, yield and chemical composition of tomato to phosphorus nutrition under different saline environments · 2024

    Same directionCites this paper

  2. no effect
    Greenhouse nitrogen or phosphorus level did not affect total tomato yield.

    Transplant Age and N and P Nutrition Effects on Growth and Yield of Tomatoes · 1989

    Opposite direction

  3. negative
    Soluble phosphate increased virus production in non-mycorrhizal plants.

    EFFECT OF ENDOGONE MYCORRHIZA ON PLANT GROWTH V. INFLUENCE OF INFECTION ON THE MULTIPLICATION OF VIRUSES IN TOMATO, PETUNIA AND STRAWBERRY · 1973

    Opposite direction

  4. no effect
    reduction of phosphate to 80% did not affect tomato yield.

    Effects of Arbuscular Mycorrhization on Fruit Quality in Industrialized Tomato Production · 2020

    Opposite direction

  5. no effect
    Extralarge fruit yield was unaffected by phosphorus rates in 2014.

    Effect of Phosphorus Rates on Growth, Yield, and Postharvest Quality of Tomato in a Calcareous Soil · 2017

    Opposite direction

  6. negative
    Rock phosphate gave the lowest tomato growth and yield.

    Influence of cobalt on phosphorus uptake, growth and yield of tomato · 2010

    Opposite direction

  7. negative
    Low chemical fertilization, especially 50% nitrogen and phosphorus, negatively affected tomato growth and yield.

    Hormonal changes, growth and yield of tomato plants in response to chemical and bio-fertilization application in sandy soils · 2012

    Opposite direction

  8. negative
    Tomato yield was low when daytime nitrate and potassium were low and phosphate high, with the opposite levels at night.

    EFFECTS OF DIURNAL CONTROL IN THE MINERAL CONCENTRATION OF NUTRIENT SOLUTION ON TOMATO YIELD AND NUTRIENT ABSORPTION IN HYDROPONICS · 1996

    Opposite direction

92 papers more in this group

See all 101 papers →

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

210 papers: 172 positive, 38 negative or no effect

171 papers in the same direction as this claim · 31 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
    Lower nitrogen supply reduced tomato commercial fruit yield by 7.5%.

    Effects of Low Nitrogen Supply on Tomato (Solanum lycopersicum) Fruit Yield and Quality with Special Emphasis on Sugars, Acids, Ascorbate, Carotenoids, and Phenolic Compounds · 2009

    Opposite direction

  2. negative
    Higher ammonium severely curtailed fruit yield.

    Effects of ammonium and inorganic carbon enrichment on growth and yield of a hydroponic tomato crop · 2002

    Opposite direction

  3. negative
    Lower nitrogen supply reduced tomato fruit number.

    Interactive Effects of Elevated CO2 and N Fertilization on Yield and Quality of Tomato Grown Under Reduced Irrigation Regimes · 2018

    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. negative
    Six weeks of nitrogen deprivation reduced commercial fruit yield from 9.3 to 7.7 kg m −2.

    Growth and Nitrogen Status of Soilless Tomato Plants Following Nitrate Withdrawal from the Nutrient Solution · 2001 · compared with control plants

    Opposite direction

  6. 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 direction

  7. negative
    Ammonium nutrition reduced shoot growth, total and mean fruit weight, and fruit number relative to nitrate nutrition.

    Effects of Nitrogen Form and Level on Ion Concentrations, Water Stress, and Blossom-end Rot Incidence in Tomato1 · 1978 · compared with NO 3 –N nutrition

    Opposite direction

  8. 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

201 papers more in this group

See all 210 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.