Intervention effectmodel-written summary

NPK 120:90:90 kg ha -1 produced maximum seed yield of 1170 kg ha -1.

A claim from Fertilizer optimization for hybrid sunflower under irrigated condition · 2015

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NPK 120:90:90 kg ha -1 produced maximum seed yield of 1170 kg ha -1.

Treatment
NPK @ 120:90:90 kg ha -1e0
Outcome
seed yielde0
Direction
Maximume0
Value
1170 kg ha -1e0

Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

Verbatim

e0

“Maximum seed yield (1170 kg ha -1 ) and oil content (41.4 %) was recorded with NPK @ 120:90:90 kg ha -1 (T 7 ).”

✓ located verbatim in the source · abstract, characters 611–722

Title

Fertilizer optimization for hybrid sunflower under irrigated condition

ADITYA KUMAR; V.V. KRISHNAMURTHI AN ASIAN JOURNAL OF SOIL SCIENCE 2015. doi:10.15740/has/ajss/10.2/259-262

Other claims from this paper (6)

Record rev-5d5f343da8f46cdd0a4ce576658c8cd66d5f5c1017b870d52b304063d394cae9 · schema claims-v0.9 · position 3 in the model’s answer

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

365 papers: 344 positive, 21 negative or no effect

343 papers in the same direction as this claim · 18 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    The NPK and chicken manure combination gave the highest plant height, leaf area and head diameter among all treatments in sunflower.

    Effect of different organic and inorganic sources of nutrients on growth and yield of sunflower (Helianthus annuus L.) · 2025 · compared with all treatments

    Same directionCites this paper

  2. no effect
    Sunflower grain yield did not differ significantly among control, mineral, compost and mineral/compost fertilization (average 2.3 ± 0.3 Mg ha−1).

    Compost as a Substitute for Mineral N Fertilization? Effects on Crops, Soil and N Leaching · 2019 · compared with control

    Opposite direction

  3. no effect
    Under drought, fertilizer did not significantly affect plant growth or flower number.

    Nutrient enrichment and rainfall affect plant phenology and floral resource availability for pollinators · 2023

    Opposite direction

  4. no effect
    Neither the rate nor the method of fertiliser application affected sunflower seed yield over 4 seasons

    Marginal responses over six years by sorghum and sunflower to broadcast and banded phosphorus on a low P Vertisol, and changes in extractable soil phosphorus · 1991

    Opposite direction

  5. no effect
    Exclusive compost addition did not decrease sunflower seed and fruit production.

    Physico-chemical, microbiological, agronomical, and phytopathological aspects in the recycling of olive waste composted residues. · 2009

    Opposite direction

  6. negative
    Plots fertilized with 60 kg N/ha had the lowest stalk yield (3638 kg/ha).

    Effect of nitrogen and sulphur on growth, yield and quality of sunflower (Helianthus annuus l.) · 2013

    Opposite direction

  7. negative
    Boron fertilization showed a nonsignificant trend toward lower sunflower yield than the check.

    Effects of sulfur, zinc, iron, copper, manganese, and boron applications on sunflower yield and plant nutrient concentration · 1985 · compared with check

    Opposite direction

  8. no effect
    Mineral fertilization did not significantly affect achene production, which averaged 2561.58 kg ha-1.

    Organic and mineral fertilization determining the agronomic performance of sunflower cultivars and soil chemical attributes · 2023

    Opposite direction

356 papers more in this group

See all 365 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.