Intervention effectmodel-written summary

Increasing NPK fertilizer levels significantly increased sunflower leaf area index, crop growth rate and dry matter accumulation.

A claim from PHYSIOLOGY, PHENOLOGY AND YIELD OF SUNFLOWER (AUTUMN) AS AFFECTED BY NPK FERTILIZER AND HYBRIDS · 2010

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Increasing NPK fertilizer levels significantly increased sunflower leaf area index, crop growth rate and dry matter accumulation.

Taxon
SUNFLOWERHelianthus annuust0
Treatment
increase in fertilizer levelse0
Outcome
leaf area index (LAI), crop growth rate (CGR), and dry matter accumulation (DMA)e0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“leaf area index (LAI), crop growth rate (CGR), and dry matter accumulation (DMA) also significantly (P<0.05) increased with an increase in fertilizer levels.”

✓ located verbatim in the source · abstract, characters 687–844
t0

“SUNFLOWER”

✓ located verbatim in the source · title, characters 35–44

Title

PHYSIOLOGY, PHENOLOGY AND YIELD OF SUNFLOWER (AUTUMN) AS AFFECTED BY NPK FERTILIZER AND HYBRIDS

Jehan Bakht; Mohammad Shafi; Mohammad Yousaf; et al. Pakistan Journal of Botany 2010

Other claims from this paper (5)

Record rev-1feed1050a6719effc401ff41192dbac36d68cbfde3d72d4708d3344eef96e5f · schema claims-v0.9 · position 3 in the model’s answer

fertilization · growth · Helianthus annuus (common sunflower)Positive and negative results

146 papers: 134 positive, 12 negative or no effect

133 papers in the same direction as this claim · 11 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    Organic fertilizer significantly increased plant height of early-sown sunflower.

    Seed Yield and Quality of Sunflower ( Helianthus annuus L.) as Influenced by Staggered Sowing and Organic Fertilizer Application in the Humid Tropics · 2014

    Same directionCites this paper

  2. positive
    Leaf number increased significantly with nitrogen, phosphorus, and potassium fertilizer amount.

    Biometry and Water Consumption of Sunflower as Affected by NPK Fertilizer and Available Soil Water Content under Semiarid Brazilian Conditions · 2014

    Same directionCites this paper

  3. positive
    N and P fertilizer, applied split or single, significantly increased plant height at R5 and R9, 100 achene weight and achene weight per head over the control in both years.

    Appropriate Nitrogen and Phosphorus Fertilizer Regime for Sunflower ( Helianthus Annuus L.) In the Humid Tropics · 2019 · compared with Control

    Same directionCites this paper

  4. no effect
    The highest rate of foliar B fertilization had no other evident detrimental effect on sunflower plant growth.

    Effects of Boron Foliar Applications on Vegetative and Reproductive Growth of Sunflower · 2003

    Opposite direction

  5. no effect
    Yield, LAI, total N uptake and N use efficiency did not differ statistically between the two fertilized treatments.

    Quality and Nitrogen Use Efficiency of Sunflower Grown at Different Nitrogen Levels Under Mediterranean Conditions · 2005

    Opposite direction

  6. no effect
    Molybdenum fertilization did not increase Romania HS-52 growth.

    Responses of Sunflower Genotypes to Aluminum in Acid Soil and Nutrient Solution1 · 1974

    Opposite direction

  7. negative
    Decreasing organic fertilizer application adversely affected sunflower growth characters, with significant differences at the 5% level.

    Evaluate the Response of Sunflower Productivity to Modern Chemigation systems in New Reclaimed Lands · 2015

    Opposite direction

  8. negative
    Reducing fertilizer to 75% or 50% significantly reduced sunflower Plant height.

    Influence of conjuctive use of organic and inorganic source of nutrients in rice (Oryza sativa) on crop growth, yield components, yield and soil fertility in rice- sunflower (Helianthus annuus) sequence · 2001 · compared with recommended level of 80, 50 and 30 kglha NPK

    Opposite direction

137 papers more in this group

See all 146 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.