Intervention effectmodel-written summary

Nitrogen at 200kg/ha produced the highest plant height, 96.04 cm, at 115 DAP.

A claim from Standardization of the optimum dose of NPK for onion (Allium cepa L.) cv. Phule Samarth · 2014

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen at 200kg/ha produced the highest plant height, 96.04 cm, at 115 DAP.

Taxon
onionAllium cepat0
Material
Phule Samartht0
Treatment
nitrogen @ 200kg/hae0
Outcome
Height of plante0
Direction
higheste0
Value
96.04 cme0
Qualifier
115 DAPe0

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSetting

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“onion (Allium cepa L.) cv. Phule Samarth”

✓ located verbatim in the source · title, characters 47–87
e0

“Height of plant (96.04 cm) and number of leaves (43.13) were highest due to the application of nitrogen @ 200kg/ha at 115 DAP.”

✓ located verbatim in the source · abstract, characters 0–126

Title

Standardization of the optimum dose of NPK for onion (Allium cepa L.) cv. Phule Samarth

B. V. Garad; S. M. Jogdand BIOINFOLET - A Quarterly Journal of Life Sciences 2014

Other claims from this paper (8)

Record rev-ad8cd22d3c27ab5e9b5d30338e82d589e88c04ded7297f1b7d9754b24c1b7816 · schema claims-v0.9 · position 1 in the model’s answer

nitrogen · growth · Allium cepa (onion)Results differ

81 papers: 71 positive, 10 negative or no effect

70 papers in the same direction as this claim · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Nitrogen source and rate had only minor effects on leaf area and storage potential.

    Nitrogen Use Efficiency and Onion Yield Increased with a Polymer-coated Nitrogen Source · 2002

    Opposite direction

  2. negative
    Increased nitrogen slightly delayed bulb development.

    The phenology of onion bulb development at different sites and its relevance to incomplete bulbing (‘thick-necking’) · 1987

    Opposite direction

  3. no effect
    The nitrogen by spacing interaction did not significantly affect stem diameter.

    Effect of Spacing and Nitrogen Fertilizer on the Yield and Yield Component of Shallot (Allium ascalonium L.) · 2015

    Opposite direction

  4. no effect
    Onion growth until the 3–4 leaf stage did not appear to be influenced by the N rate before sowing.

    Effects of split application of nitrogen on yield and nitrogen recovery of spring-sown onions and on residual nitrogen · 1998

    Opposite direction

  5. no effect
    Nitrogen source did not have significant effects on shallot plant height or leaf number.

    Season, and Nitrogen Source and Rate Affect Development and Yield of Shallot · 2002

    Opposite direction

  6. negative
    Higher N dose decreased bulb dry matter.

    THE INFLUENCE OF N SOURCES AND FERTILIZATION DOSES ON DRY ONION (ALLIUM CEPA L.) YIELD AND BULBS SHELF LIFE · 2009

    Opposite direction

  7. negative
    Direct seeding and high nitrogen gave the greatest nutsedge height, 92.33 cm.

    Evaluating the Effect of Onion (Allium cepa L.) Sowing Methods on Growth Characteristics of Purple Nutsedge (Cyperus rotundus L.) under Different Levels of Nitrogen Fertilizer · 2017

    Opposite direction

  8. no effect
    Nitrogen fertilizer did not significantly affect leaf number or canopy cover.

    Applied Nitrogen Fertilization and Irrigation on Improving Shallot (Allium ascolanicum L.) Growth and Yield on Dry Land in Mesuji, Lampung Province, Indonesia · 2023

    Opposite direction

72 papers more in this group

See all 81 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.