Intervention effectmodel-written summary

Economic benefits rose as potassium fertilizer application rose.

A claim from Effects of Potassium Fertilizer on the Yield,Quality and Economic Benefits of Protected Vegetables in Ankang City · 2008

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Economic benefits rose as potassium fertilizer application rose.

Treatment
potassium fertilizere0
Outcome
economic benefitse0
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

“the yield and the economic benefits of tomato were increased with the increasing of the application amount of potassium fertilizer”

✓ located verbatim in the source · abstract, characters 484–614

Title

Effects of Potassium Fertilizer on the Yield,Quality and Economic Benefits of Protected Vegetables in Ankang City

Guo Quan-zhong Anhui nongye kexue 2008

Other claims from this paper (5)

Record rev-e724d1251de2c25c73c2adc70013d4285fe4b12677952d1a9c5623623a74c1e5 · schema claims-v0.9 · position 2 in the model’s answer

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.