Intervention effectmodel-written summary

Application of 50% mineral fertilizer with 6% moringa leaf extract spraying gave the highest grain yield, 8.732 t/ha.

A claim from Effect of combinations of fertilizers on yield and quality of three maize varieties · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 50% mineral fertilizer with 6% moringa leaf extract spraying gave the highest grain yield, 8.732 t/ha.

Taxon
maizeZea mayst0
Treatment
50% mineral fertilizer + spraying moringa leaf extract at 6%e2
Outcome
grain yielde2
Direction
higheste2
Value
8.732 tan ha-1e2

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“three maize varieties”

✓ located verbatim in the source · title, characters 62–83
e2

“Application 50% mineral fertilizer + spraying moringa leaf extract at 6% gave the highest grain yield(8.732 tan ha-1) and all its components (number of ears per plant, number of rows per ear, number of grains per row) and oil percentage (10.72%)”

✓ located verbatim in the source · abstract, characters 907–1152

Title

Effect of combinations of fertilizers on yield and quality of three maize varieties

Athir H. M. Al-Temimi; Intsar H. H. Al-Hilfy Muthanna Journal for Agricultural Sciences 2021. doi:10.52113/mjas04/8.3/29

Other claims from this paper (5)

Record rev-e5c1218484f5fe9179e18cf1627f6833255ca5e9fc5185e11bc90e50d1d6f4aa · schema claims-v0.9 · position 2 in the model’s answer

botanical · yield · Zea mays (maize)Results differ

125 papers: 118 positive, 7 negative or no effect

117 papers in the same direction as this claim · 7 in the opposite direction

  1. positive
    Moringa extract increased growth and yield of maize in the field only, relative to water-only control.

    Effect of Moringa Extract on Growth and Yield of Maize and Common Beans · 2013 · compared with control (M0, only water applied)

    Same directionCited by this paper

  2. positive
    Allelopathic extracts significantly improved number of grains and grain rows per cob and number of grains per row of maize compared with control.

    Influence of Foliage Applied Allelopathic Water Extracts on the Grain Yield, Quality and Economic Returns of Hybrid Maize · 2015 · compared with control

    Same directionCited by this paper

  3. no effect
    Ground kernels and full-fat germ extracts gave similar rGUS purity and yield.

    Processing of transgenic corn seed and its effect on the recovery of recombinant β-glucuronidase · 1998 · compared with ground kernels

    Opposite direction

  4. no effect
    None of the essential oils had a significantly greater ability to inhibit FB1 production than the others.

    Effect of essential oils of cinnamon, clove, lemon grass, oregano and palmarosa on growth of and fumonisin B1 production by Fusarium verticillioides in maize · 2004 · compared with the others

    Opposite direction

  5. no effect
    Plant extracts did not significantly affect maize growth, development or yield.

    Effects of aqueous plant extracts and inorganic fertilizer on the germination, growth and development of maize (Zea mays L.) · 2014

    Opposite direction

  6. negative
    Velvetleaf powder or extracts inhibited seed germination, growth and yield in maize, wheat and soybean.

    Potential Allelopathic Interference of Abutilon theophrasti Medik. Powder/Extract on Seed Germination, Seedling Growth and Root System Activity of Maize, Wheat and Soybean · 2022

    Opposite direction

  7. no effect
    Weed extract had no reported effect on corn seed weight per plant.

    Weed extract effect on growth and yield of some corn varieties · 2021

    Opposite direction

  8. negative
    Using ash, neem leaves, pepper or lemon as storage protectant increased losses by 4.1% relative to no protectant.

    Assessing drivers of maize storage losses in south west Benin using a Fractional Response Model · 2018 · compared with storing without any protectant

    Opposite direction

116 papers more in this group

See all 125 papers →

application · yield · Zea mays (maize)Positive and negative results

629 papers: 575 positive, 54 negative or no effect

574 papers in the same direction as this claim · 42 in the opposite direction · 12 reporting no difference from an alternative

  1. positive
    Seed soaking plus spraying with 120 kg N/ha gave the highest grain yield of corn, 6.75 ton/ha.

    Effect of Humic Acid and Rates of Nitrogen Fertilizer on Yield and Yield Components of Corn(Zea mays L.) · 2015

    Same directionCited by this paper

  2. no effect
    Foliar fungicides did not significantly improve yield in damaged or nondamaged plots.

    Effect of Foliar Fungicides on Corn with Simulated Hail Damage · 2009 · compared with nontreated controls

    Opposite direction

  3. no effect
    More than three spray applications generally gave no further yield gain.

    Maize Yield Response to Chemical Control of Spodoptera frugiperda at Different Plant Growth Stages in South Africa · 2021

    Opposite direction

  4. negative
    Foliar fertilizer applied from 2 weeks after silking reduced corn grain yield by 6.4% in 1977.

    Corn Grain Yield and Nutrient Response to Foliar Fertilizer Applied during Grain Fill1 · 1982

    Opposite direction

  5. negative
    Corn yield reduction was 1.5 times greater with proportional volume at the 12.5% rate.

    Effect of Carrier Volume on Corn (Zea mays) and Soybean (Glycine max) Response to Simulated Drift of Glyphosate and Glufosinate1 · 2002 · compared with constant spray volume

    Opposite direction

  6. no effect
    Nano-N plus nano-Zn with 75% conventional N gave wheat and maize grain yield at par with full conventional fertilizer.

    Changes in microbial community structure and yield responses with the use of nano-fertilizers of nitrogen and zinc in wheat–maize system · 2024 · compared with N 100 PK

    Opposite direction

  7. negative
    Offset corn had lower nitrogen concentration and yield.

    Corn Production Associated with Liquid Beef Manure Application Methods · 1991 · compared with corn planted over the zone

    Opposite direction

  8. no effect
    Foliar cocktail caused no grain yield trade-off.

    Biofortification of different maize cultivars with zinc, iron and selenium by foliar fertilizer applications · 2023

    Opposite direction

620 papers more in this group

See all 629 papers →

fertilization · yield · Zea mays (maize)Positive and negative results

3,908 papers: 3,485 positive, 423 negative or no effect

3,484 papers in the same direction as this claim · 338 in the opposite direction · 85 reporting no difference from an alternative

  1. positive
    Chicken manure significantly increased sweet corn yield, ear traits and leaf NPK content.

    Sweet Corn as Affected by Foliar Application with Amino – and Humic Acids under Different Fertilizer Sources · 2016

    Same directionCited by this paper

  2. negative
    If the V8 sufficiency index was below 90%, in-season nitrogen application did not attain maximum yields.

    Ability for In‐Season Correction of Nitrogen Deficiency in Corn Using Chlorophyll Meters · 1997

    Opposite direction

  3. no effect
    N fertilization did not significantly influence belowground NPP of corn.

    Nitrogen fertilizer effects on soil carbon balances in Midwestern U.S. agricultural systems · 2009

    Opposite direction

  4. negative
    Average grain yield of maize was reduced by 37% at low N (no N fertilizer) compared with high N.

    Improving Nitrogen‐Use Efficiency in European Maize · 2003 · compared with HN

    Opposite direction

  5. no effect
    2 t pm/ha + 30-20-20 kg NPK/ha gave maize biomass and grain yields similar to 4 t pm/ha.

    Poultry manure effect on growth and yield of maize · 2009 · compared with 4 t pm/ha

    Opposite direction

  6. no effect
    Maize yields did not respond to P fertilization.

    Arbuscular mycorrhizal fungi in soil and roots respond differently to phosphorus inputs in an intensively managed calcareous agricultural soil · 2016

    Opposite direction

  7. no effect
    More N fertilizer on the previous small-grain crop rarely increased spring soil nitrate or corn yield.

    Soil Nitrate Accumulation and Corn Response to Preceding Small‐Grain Fertilization and Cover Crops · 1999

    Opposite direction

  8. no effect
    Starter fertilizer did not increase yield.

    Corn Yield is Equal in Conventional, Reduced, and No Tillage after 20 Years · 1996

    Opposite direction

3,899 papers more in this group

See all 3,908 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.