Intervention effectmodel-written summary

N2P2K1 gave the highest garlic yield.

A claim from Effect of N, P and K fertilizers on yield of Garlic Plants (Allium Sativum L.) · 2009

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N2P2K1 gave the highest garlic yield.

Taxon
Garlic PlantsAllium sativumt0
Treatment
N2P2K1(N 28 kg/667 m2,P2O5 14 kg/667 m2,K2O 7.5 kg/667m2)e0
Outcome
yielde0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Allium sativum
Allium sativum · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Garlic Plants”

✓ located verbatim in the source · title, characters 45–58
e0

“the treatment N2P2K1(N 28 kg/667 m2,P2O5 14 kg/667 m2,K2O 7.5 kg/667m2) received the highest yield”

✓ located verbatim in the source · abstract, characters 328–426

Title

Effect of N, P and K fertilizers on yield of Garlic Plants (Allium Sativum L.)

Feng Lu-wei Guangdong nongye kexue 2009

Other claims from this paper (2)

Record rev-49ffa289f072b8e25a4f6781f744cf35dfbfd9b23c610d3d2b4ce2fead85c217 · schema claims-v0.9 · position 2 in the model’s answer

phosphorus · yield · Allium sativum (garlic)Results differ

32 papers: 31 positive, 1 negative or no effect

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

  1. no effect
    P2O5 supply did not increase garlic growth and yield

    Effect of mycorrhizae inoculation on plant growth, yield, and phosphorus uptake in garlic under field conditions · 2002

    Opposite direction

  2. positive
    A combination of N, P, S and Zn fertilizers gave a significantly higher garlic yield than the control.

    Effect of Inorganic and Organic Fertilizers on the Growth and Yield of Garlic Crop (Allium sativum L.) in Northern Ethiopia · 2015 · compared with control

    Same direction

  3. positive
    Bulb yield increased with phosphorus dose.

    Doses and forms of application of phosphorus in vernalized garlic · 2004

    Same direction

  4. positive
    The 140:122.6:22.6 kg ha−1 treatment gave the largest bulb diameter, 4.27 cm.

    Economic and agronomic optimum rates of NPS fertilizer for irrigated garlic (Allium sativum L) production in the highlands of Ethiopia · 2017

    Same direction

  5. positive
    Large cloves at close spacing with N, K, high P and low lime produced the best garlic yield of 33.9 t/ha fresh weight.

    Effect of clove size, spacing, fertilisers, and lime on yield and nutrient content of garlic ( Allium sativum ) · 1978

    Same direction

  6. positive
    Growth, yield and yield attributes increased significantly with phosphorus rates.

    Effect of Nitrogen, Phosphorus, and Sulphur Fertilizers on Growth Yield, and Economic Returns of Garlic (Allium sativum L.) · 2016

    Same direction

  7. positive
    NPK with FYM plus seed treatment with Trichoderma and PSB gave significantly higher garlic growth and yield parameters.

    Response of garlic to integrated nutrient management practices in a sodic soil of Uttar Pradesh, India. · 2014

    Same direction

  8. positive
    Application of 92 and 46 kg P2O5 ha-1 increased garlic bulb yield by 48.3% compared with the control.

    Response of garlic (Allium sativum L.) to nitrogen and phosphorus under irrigation in Lasta district of Amhara Region, Ethiopia · 2018 · compared with the control

    Same direction

23 papers more in this group

See all 32 papers →

potassium · yield · Allium sativum (garlic)Results differ

42 papers: 40 positive, 2 negative or no effect

39 papers in the same direction as this claim · 2 in the opposite direction

  1. negative
    K depletion impaired productivity of micropropagated garlic.

    Recovery efficiencies of nitrogen, phosphorus and potassium of the garlic crop · 2016

    Opposite direction

  2. negative
    Potassium had a mostly depressing effect on growth and yield of garlic bulbs.

    Effect of Nitrogen, Phosphorus and Potash Fertilization on the Growth and Yield of Garlic · 1978

    Opposite direction

  3. positive
    Garlic total yield and bulb size were greatest at 200 kg ha −1 potassium.

    Response and productivity of Garlic (Allium Sativum L.) by different levels of potassium fertilizer in farm soils · 2020

    Same direction

  4. positive
    The combined yeast extract, proline and potassium treatment gave the best plant height and leaf number.

    Salinity Stress Alleviation by Foliar Bio-Stimulant, Proline and Potassium Nutrition Promotes Growth and Yield Quality of Garlic Plant · 2020

    Same direction

  5. positive
    Large cloves at close spacing with N, K, high P and low lime produced the best garlic yield of 33.9 t/ha fresh weight.

    Effect of clove size, spacing, fertilisers, and lime on yield and nutrient content of garlic ( Allium sativum ) · 1978

    Same direction

  6. positive
    Potassium application increased garlic yield.

    Evaluating Garlic Available Potassium with Chemical Extractants · 2004

    Same direction

  7. positive
    Potassium use promoted garlic growth and yield.

    Balanced Fertilization Increases Garlic Yield in Anhui · 2004

    Same direction

  8. positive
    Potassium silicate at 4000 ppm gave the highest total yield.

    EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE AND SOME POSTHARVEST TREATMENTS ON GROWTH, PRODUCTIVITY AND STORABILITY OF GARLIC · 2019

    Same direction

33 papers more in this group

See all 42 papers →

nitrogen · yield · Allium sativum (garlic)Positive and negative results

55 papers: 51 positive, 4 negative or no effect

50 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Increasing N levels decreased garlic bulb yield.

    Genotype, nitrogen fertility and sulphur availability interact to affect flavour in garlic (Allium sativum L.) · 2007

    Opposite direction

  2. no effect
    Garlic growth and yield did not differ among fertilizer amount and application treatments.

    Fertilizer Amount and Split Application on Fertilizer Efficiency in Garlic · 2013

    Opposite direction

  3. negative
    Urea-fertilized garlic plants had less bulb yield than ammonium nitrate-fertilized plants.

    Response of Yield and Quality of Garlic to Nitrogen Sources and Foliar Spray with Sulfur Treatments · 2016 · compared with ammonium nitrate-fertilized plants

    Opposite direction

  4. no effect
    Garlic bulb yield did not significantly differ between urea rates.

    Effects of Nitrogen Management on Garlic Yield, Economic Benefit and Soil Apparent Nutrient Balance · 2016 · compared with different N application rates

    No difference from an alternative

  5. positive
    Applying 200 kg nitrogen ha -1 significantly increased garlic plant height, leaf number, and neck thickness.

    Effect of nitrogen and sulphur levels on growth and yield of garlic (Allium sativum L.). · 2009

    Same direction

  6. positive
    Garlic yield increased in response to nitrogen regardless of application method.

    Enhancement of Yield and Nitrogen and Water Use Efficiencies by Nitrogen Drip‐Fertigation of Garlic · 2002

    Same direction

  7. positive
    A combination of N, P, S and Zn fertilizers gave a significantly higher garlic yield than the control.

    Effect of Inorganic and Organic Fertilizers on the Growth and Yield of Garlic Crop (Allium sativum L.) in Northern Ethiopia · 2015 · compared with control

    Same direction

  8. positive
    At 150 kg/ha, nitrogen produced 6.75 t/ha bulb yield in 2005-06.

    Effect Of Nitrogen For Yield Maximization Of Garlic In Old Brahmaputra Flood Plain Soil · 1970

    Same direction

46 papers more in this group

See all 55 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.