Intervention effectmodel-written summary

The highest N concentration in strawberry shoots and fruit occurred with the corresponding fertilizer dose of 140 kg ha-1.

A claim from Effects of Nitrogen Phosphorus Potassium and Sulphur on Growth Yield and Nutrient Content of Strawberry (Fragaria ananassa) · 2016

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest N concentration in strawberry shoots and fruit occurred with the corresponding fertilizer dose of 140 kg ha-1.

Taxon
strawberryFragaria ×ananassae0
Organ / stage
shoot and fruite0
Treatment
N, P, K and S fertilizerse0
Outcome
concentration of N, P, K and Se0
Direction
higheste0
Qualifier
140e0

Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest concentration of N, P, K and S were found in shoot and fruit of strawberry when N, P, K and S fertilizers were used 140,60,135 and 35 kg ha-1, respectively.”

✓ located verbatim in the source · abstract, characters 941–1109

Title

Effects of Nitrogen Phosphorus Potassium and Sulphur on Growth Yield and Nutrient Content of Strawberry (Fragaria ananassa)

CA Afroz; MAH Shimul; M Ikrum; et al. Journal of Environmental Science and Natural Resources 2016. doi:10.3329/jesnr.v9i1.30300

Other claims from this paper (18)

Record rev-901ecdee021b91514fe0e960c96fdc9d8421e3059daa153856e1457ae9c1a58d · schema claims-v0.9 · position 16 in the model’s answer

nitrogen · nutrient: content · Fragaria x ananassa (strawberry)Positive and negative results

15 papers: 12 positive, 3 negative or no effect

11 papers in the same direction as this claim · 3 in the opposite direction

  1. no effect
    Available soil N in the 150-300 and 300-450 mm soil zones was largely unaffected by N source or N rate during sampling.

    The influence of n sources and rates on soil n parameters related to strawberry production in Northern Idaho · 1984

    Opposite direction

  2. negative
    The pH of the DWC nutrient solution decreased to 4.0 ± 0.1 when plants received a nutrient solution with a 80:20 nitrate to ammonium ratio.

    Development of a Hydroponic Growing Protocol for Vegetative Strawberry Production · 2024

    Opposite direction

  3. no effect
    Nitrogen fertigation did not produce the expected change in foliar or petiole nitrogen.

    Nitrogen Management Practices and Colored Plastic Mulch Films Affecting Spider Mites and Aphids on Winter Strawberry in a High Tunnel · 2014

    Opposite direction

  4. positive
    FYM, urea and Azotobacter increased soil organic carbon and available nutrients.

    Impact of integrated nutrient management on strawberry yield and soil nutrient status · 2008

    Same direction

  5. positive
    Nitrogen alone increased RNC by 21%.

    Interacting Effects of CO2, Temperature, and Nitrogen Supply on Photosynthetic, Root Growth, and Nitrogen Allocation of Strawberry at the Fruiting Stage · 2023

    Same direction

  6. positive
    Urea with bacteria positively affected leaf magnesium.

    Influence of beneficial soil microorganisms and mineral fertilizers enriched with them on the flowering, fruiting, and physical and chemical parameters of the fruit of three-year-old strawberry plants in field cultivation · 2023

    Same direction

  7. positive
    Higher nitrogen fertilization significantly increased leaf nitrogen.

    YIELDING AND CHEMICAL COMPOSITION OF "HONEOYE" CULTIVAR STRAWBERRIES DEPENDING ON THE KIND OF SUBSTRATUM AND NITROGEN DOSE · 2011 · compared with smaller dose of this component

    Same direction

  8. positive
    Higher applied nitrogen increased leaf nitrogen percentage in greenhouse plants.

    Effects of Gibberellic Acid and Nitrogen on the Strawberry cv. ‘Redcoat’1 · 1970

    Same direction

6 papers more in this group

See all 15 papers →

fertilization · nutrient: content · Fragaria x ananassa (strawberry)Positive and negative results

61 papers: 45 positive, 16 negative or no effect

44 papers in the same direction as this claim · 14 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Compost did not change zinc (Zn) and cadmium (Cd) levels in strawberry.

    COMPOSTS AS SOIL SUPPLEMENT ENHANCED PLANT GROWTH AND FRUIT QUALITY OF STRAWBERRY · 2002

    Opposite direction

  2. negative
    Compost tea increased fruit Na levels.

    The Effects of Municipal Solid Waste Compost And Compost Tea on Mineral Element Uptake And Fruit Quality of Strawberries · 2009

    Opposite direction

  3. negative
    Roots at 23°C rather than 18°C significantly decreased N and Mg contents of strawberry plants.

    Effects of Root Temperature on the Absorption of Water and Mineral Nutrients by Strawberry Plants ^|^lsquo;Reiko^|^rsquo; Grown Hydroponically · 1991 · compared with 18°C

    Opposite direction

  4. negative
    Fertilization decreased calcium content in strawberry leaves.

    Influence of beneficial soil microorganisms and mineral fertilizers enriched with them on the flowering, fruiting, and physical and chemical parameters of the fruit of three-year-old strawberry plants in field cultivation · 2023

    Opposite direction

  5. negative
    The pH of the DWC nutrient solution decreased to 4.0 ± 0.1 when plants received a nutrient solution with a 80:20 nitrate to ammonium ratio.

    Development of a Hydroponic Growing Protocol for Vegetative Strawberry Production · 2024

    Opposite direction

  6. no effect
    Elevated boron in the fertilizer solution did not change tissue K, Ca and Mg contents.

    Characterization of Toxicity Symptom and Determination of Tissue Threshold Levels of Boron for Diagnostic Criteria in Domestically Bred Strawberries · 2012

    Opposite direction

  7. no effect
    NaCl did not change calcium concentration in roots and fruits of strawberry.

    INFLUENCE OF SALINITY AND SUPPLEMENTARY CALCIUM ON VEGETATIVE GROWTH, FRUIT YIELD AND CONCENTRATION OF SOME NUTRIENTS IN HYDROPONICALLY-GROWN STRAWBERRY · 2011

    Opposite direction

  8. no effect
    Elevated copper in the fertilizer solution did not influence tissue calcium and magnesium contents.

    Characterization of Copper Toxicity Symptoms and Determination of Tissue Critical Concentration for Diagnostic Criteria in Korean Bred Strawberries · 2012

    Opposite direction

52 papers more in this group

See all 61 papers →

potassium · nutrient: content · Fragaria x ananassa (strawberry)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this claim

  1. positive
    Supplementary potassium increased potassium accumulation in strawberry.

    Effects of NaCl and Supplementary Potassium on Gas Exchange, Ionic Content, and Growth of Salt-Stressed Strawberry Plants · 2009

    Same direction

  2. positive
    Foliar K-fertilization increased potassium concentration in strawberry fruits by 8-11% relative to distilled-water controls.

    Foliar application of potassium-based fertilizer improves strawberry fruit quality · 2018 · compared with distilled water

    Same direction

  3. positive
    Irrigation every three or four days with kaolin or potassium silicate produced the highest mineral content.

    INFLUENCE OF IRRIGATION INTERVALS AND ANTITRANSPIRANTS ON GROWTH, YIELD AND QUALITY OF STRAWBERRY UNDER DRIP IRRIGATION SYSTEM B-PLANT MINERAL CONTENTS, WATER USE EFFICIENCY AND SCANNING ELECTRON MICROSCOPE OF STOMATA · 2016

    Same direction

  4. positive
    Low potassium application reduced soil nutrient residues.

    Comprehensive evaluation of the optimal rates of irrigation and potassium application for strawberry · 2023

    Same direction

See all 5 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.