Intervention effectmodel-written summary

The interaction between planting densities and nitrogen levels was not significant.

A claim from Grain yield and N-Uptake by rabi maize (Zea mays L.) at varying planting densities and nitrogen levels · 2017

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The interaction between planting densities and nitrogen levels was not significant.

Taxon
rabi maizet0
Treatment
planting densities and nitrogen levelse4
Outcome
interaction between planting densities and nitrogen levelse4
Setting
Agricultural College Farm, Bapatlae2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorDirectionValueQualifier

Verbatim

t0

“Grain yield and N-Uptake by rabi maize (Zea mays L.)”

✓ located verbatim in the source · title, characters 0–52
e4

“The interaction between planting densities and nitrogen levels was found to be non significant”

✓ located verbatim in the source · abstract, characters 645–739
e2

“A field experiment was conducted during rabi season 2014-15 at Agricultural College Farm, Bapatla”

✓ located verbatim in the source · abstract, characters 0–97

Title

Grain yield and N-Uptake by rabi maize (Zea mays L.) at varying planting densities and nitrogen levels

K. Revathi; M. Sree Rekha; MK Sheshama; et al. International Journal of Chemical Studies 2017

Other claims from this paper (2)

Record rev-59d9528fa882c82592af1a66a2bb805eea66cf8ebd590f66151f8b1954039b99 · schema claims-v0.9 · position 3 in the model’s answer

density · nutrient: content · Zea mays (maize)Positive and negative results

44 papers: 34 positive, 10 negative or no effect

9 papers in the same direction as this claim · 34 in the opposite direction

  1. positive
    Higher plant density raised total N uptake and radiation interception.

    Increased plant density and reduced N rate lead to more grain yield and higher resource utilization in summer maize · 2016

    Opposite direction

  2. positive
    Narrow spacing increased nitrogen translocation rates from vegetative organs.

    Effects of narrow plant spacing on root distribution and physiological nitrogen use efficiency in summer maize · 2013 · compared with normal plant spacing

    Opposite direction

  3. positive
    The management factors significantly improved N uptake, translocation, and translocation efficiency.

    Determining optimal mulching, planting density, and nitrogen application to increase maize grain yield and nitrogen translocation efficiency in Northwest China · 2020

    Opposite direction

  4. positive
    With water reduced and unchanged nitrogen input, a 30% density increase raised aboveground nitrogen accumulation by 15.3%.

    Grain yield and N uptake of maize in response to increased plant density under reduced water and nitrogen supply conditions · 2023

    Opposite direction

  5. positive
    Averaged over four N rates, planting density of 110000 plants ha −1 increased crop N accumulation by 21.2 % compared with 70000 plants ha −1 in 2021.

    Optimizing the nitrogen application rate and planting density to improve dry matter yield, water productivity and N-use efficiency of forage maize in a rainfed region · 2024 · compared with 70000 plants ha −1

    Opposite direction

  6. positive
    Narrow spacing raised nitrogen translocation rates from vegetative organs.

    Effects of narrow plant spacing on root distribution and physiological nitrogen use efficiency in summer maize · 2013 · compared with normal plant spacing

    Opposite direction

  7. positive
    Increased plant density significantly raised N uptake in stalk, grain and whole plant of forage maize.

    Uptake and nitrogen efficiency in forage maize: effects of nitrogen and plant density · 2010

    Opposite direction

  8. positive
    Increasing plant population increased corn uptake of N, P, and K.

    Yield and Nutrient Uptake by Corn (Zea mays L.) for Silage on Two Soil Types as Influenced by Fertilizer, Plant Population and Hybrids · 1965

    Opposite direction

35 papers more in this group

See all 44 papers →

nitrogen · nutrient: content · Zea mays (maize)Positive and negative results

489 papers: 403 positive, 86 negative or no effect

85 papers in the same direction as this claim · 403 in the opposite direction

  1. positive
    The variable yield goal zone strategy used 6–46% less nitrogen than uniform management.

    Economic Feasibility of Variable‐Rate Nitrogen Application Utilizing Site‐Specific Management Zones · 2004 · compared with uniform N management

    Opposite direction

  2. positive
    Withholding nitrogen from V8 to maturity reduced N uptake by 53%.

    Nitrogen Uptake and Partitioning in Stay‐Green and Leafy Maize Hybrids · 2005

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  3. positive
    Surface-applied 3:1 urea/urea phosphate increased ear-leaf nitrogen at silking relative to surface-banded urea.

    Nitrogen Fertilizer Source, and Method and Time of Application Effects on No‐till Corn Yields and Nitrogen Uptakes1 · 1986 · compared with surface‐banded urea

    Opposite direction

  4. positive
    At no nitrogen input in monoculture, shoot N, Ca and Mg concentrations were lower than other treatments.

    Crop Rotation and Nitrogen Input Effects on Soil Fertility, Maize Mineral Nutrition, Yield, and Seed Composition · 2009 · compared with other N input/rotation treatments

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  5. positive
    Nitrate in washing solution increased uptake 3.5-fold over control.

    Nitrate Uptake and Induction of Nitrate Reductase in Excised Corn Roots · 1975 · compared with control

    Opposite direction

  6. positive
    Nitrogen uptake was greater from nitrate than ammonium.

    Nitrate and Ammonium as Sources of Nitrogen for Corn and Their Influence on the Uptake of Other Ions1 · 1970 · compared with ammonium

    Opposite direction

  7. positive
    Fv/Fm, photosynthetic CO2 assimilation and leaf nitrogen concentration increased with nitrogen level and followed low-high-low variation.

    Effects of nitrogen stress on the photosynthetic CO2 assimilation, chlorophyll fluorescence and sugar-nitrogen ratio in corn · 2015

    Opposite direction

  8. positive
    Higher N rates may increase leaf P, Cu, and Fe concentrations.

    Corn Yield and Foliar Diagnosis Affected by Nitrogen Fertilization and Inoculation with Azospirillum brasilense · 2016

    Opposite direction

480 papers more in this group

See all 489 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.