Intervention effectmodel-written summary

Nano urea at 4ml/l with 0.5% Zinc gave the highest grain yield versus control: 6.05 t/ha.

A claim from Effect of Nano Urea and Zinc on Growth and Yield of Kharif Maize · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nano urea at 4ml/l with 0.5% Zinc gave the highest grain yield versus control: 6.05 t/ha.

Taxon
MaizeZea mayst0
Treatment
Nano urea at 4ml/l at 0.5% Zince0
Outcome
grain yielde0
Direction
higheste0
Value
6.05 t/hae0
Comparator
controle0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

e0

“Application of Nano urea at 4ml/l at 0.5% Zinc (Treatment 5) recorded highest plant height (226.71cm), no. of leaves (14.18), dry weight (104.67 g) and crop growth rate (5.926 g/m2/day), yield attributes and yield viz ., No. of cobs/plant (1.33), No. of grains / row (23.56), No. of rows / cob (13.900),seed index (23.10 g), grain yield (6.05 t/ha) and stover yield (8.99 t/ha ) compared to control.”

✓ located verbatim in the source · abstract, characters 508–907
t0

“Kharif Maize”

✓ located verbatim in the source · title, characters 52–64

Title

Effect of Nano Urea and Zinc on Growth and Yield of Kharif Maize

Shivam Pathak; Biswarup Mehera; Prateek Kumar; et al. International Journal of Plant & Soil Science 2024. doi:10.9734/ijpss/2024/v36i84893

Other claims from this paper (9)

Record rev-ff0cedc3551c5fc647b3a2f8216360fffe836b9638d7faadb13161e2c4a5e7ce · schema claims-v0.9 · position 9 in the model’s answer

zinc atom · yield · Zea mays (maize)Results differ

441 papers: 391 positive, 50 negative or no effect

390 papers in the same direction as this claim · 47 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
    Adding Zn to the intermediate Fe level accentuated Fe deficiency and depressed corn yield.

    Nutrient Balance Involving Phosphorus, Iron, and Zinc · 1965 · compared with intermediate Fe level

    Opposite direction

  2. negative
    Corn yield at zero zinc and 3.0 mM phosphorus was significantly lower than at 1.0 mM phosphorus.

    Potential for Phosphorus Toxicity in Zinc‐Stressed Corn and Potato · 1981 · compared with 1.0 m M P

    Opposite direction

  3. no effect
    Most foliar Zn applications had no grain-yield effect.

    Effect of Foliar Micronutrients (B, Mn, Fe, Zn) on Maize Grain Yield, Micronutrient Recovery, Uptake, and Partitioning · 2021

    Opposite direction

  4. negative
    In a pot experiment the highest Zn rate (250 ppm) slightly reduced corn yield.

    EFFECTS OF SOIL PROPERTIES AND AMENDMENTS ON THE AVAILABILITY OF ZINC IN SOILS · 1974

    Opposite direction

  5. negative
    Zn alone or P alone reduced aboveground dry matter and yield at harvest by 8-85% in LCV and FER soils relative to unfertilized plants

    Combining P and Zn fertilization to enhance yield and grain quality in maize grown on Mediterranean soils · 2021 · compared with unfertilized (control) plants

    Opposite direction

  6. no effect
    Maize grain yield did not respond to zinc application.

    Yield-limiting plant nutrients for maize production in northwest Ethiopia · 2022

    Opposite direction

  7. no effect
    Soil Zn did not affect maize yield at any Cd concentration.

    Cadmium‐zinc interaction in maize grown on sewer water irrigated soil · 1993

    Opposite direction

  8. negative
    Shoot and root dry matter yield depression under Zn stress was 78 to 95 and 72 to 94%, respectively, relative to 5 ppm supplemental Zn.

    Zinc Response in Corn as Influenced by Genetic Variability1 · 1976 · compared with 5 ppm supplemental Zn level

    Opposite direction

432 papers more in this group

See all 441 papers →

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

233 papers: 215 positive, 18 negative or no effect

214 papers in the same direction as this claim · 11 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Full recommended nitrogen plus two nano-urea sprays ranked highest for maize morphology, yield attributes and yield.

    Growth and productivity of rabi maize as influenced by foliar application of urea and nano-urea · 2022

    Same directionCited by this paper

  2. negative
    Nanoparticle irrigation had mostly insignificant inhibitory effects on long-term shoot production.

    Colloidal suspensions of clay or titanium dioxide nanoparticles can inhibit leaf growth and transpiration via physical effects on root water transport · 2009

    Opposite direction

  3. no effect
    Half NP plus Biopower with BPF or EM gave similar maize yield to full NP.

    Enhancing crop growth, nutrients availability, economics and beneficial rhizosphere microflora through organic and biofertilizers · 2007 · compared with full rate of NP fertilizer

    Opposite direction

  4. negative
    Nitrogen fertilizer treatments showed annual corn yield declines of 94 to 260 kg ha−1 yr−1, except for nonsignificant decline under NPK.

    Effects of Inorganic Fertilizer Inputs on Grain Yields and Soil Properties in a Long‐Term Wheat–Corn Cropping System in South China · 2008

    Opposite direction

  5. negative
    Maize yield under NP was 12.4% lower than under balanced NPK.

    How different long‐term fertilization strategies influence crop yield and soil properties in a maize field in the North China Plain · 2013 · compared with balanced NPK treatment

    Opposite direction

  6. negative
    Under 100% NP, maize grain yield fell 67% in 1994 to 1998 relative to 1973 to 1977.

    EFFECTS OF TWENTY-FIVE YEARS OF FERTILIZER USE ON MAIZE AND WHEAT YIELDS AND QUALITY OF AN ACIDIC SOIL IN THE WESTERN HIMALAYAS · 2003 · compared with 1973 to 1977

    Opposite direction

  7. no effect
    Nano-N 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

  8. negative
    Maize yield and nutrient uptake were lower under N and NP than under NPK, NPKS or NPK plus FYM.

    Soil Organic Carbon, Hydraulic Properties and Yield of Maize and Wheat under Long-term Fertilization in an Inceptisol · 2017 · compared with nitrogen, phosphorus and potassium (NPK) applied plot, nitrogen, phosphorus, potassium and sulphur (NPKS) applied plot and NPK+ farmyard manure (FYM) treatment

    Opposite direction

224 papers more in this group

See all 233 papers →

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

2,185 papers: 1,906 positive, 279 negative or no effect

1,905 papers in the same direction as this claim · 234 in the opposite direction · 45 reporting no difference from an alternative

  1. negative
    Low nitrogen decreased maize grain yield.

    Within-Leaf Nitrogen Allocation in Adaptation to Low Nitrogen Supply in Maize during Grain-Filling Stage · 2016

    Opposite direction

  2. no effect
    Nitrogen timing did not affect corn production in the other two years.

    Corn Production as Affected by Nitrogen Application Timing and Tillage · 2004

    Opposite direction

  3. negative
    For the two years after 1992, losses were significantly higher for 134 kg N ha−1 on the clay loam.

    Nitrate Leaching and Nitrogen Budget as Affected by Maize Nitrogen Rate and Soil Type · 2000

    Opposite direction

  4. negative
    Nitrogen stress reduced kernel number of maize in field conditions.

    Nitrogen Deficiency in Maize: II. Carbon‐Nitrogen Interaction Effects on Kernel Number and Grain Yield · 1995

    Opposite direction

  5. no effect
    At high N rates, yields under the two tillage systems were approximately equal.

    Soil Nitrogen Availability after Long‐term Continuous No‐tillage and Conventional Tillage Corn Production · 1986

    Opposite direction

  6. negative
    Pretreatment with inhibitors of NOS and nitrate reductase blocked the water stress-induced increase in NO production in maize.

    Nitric Oxide Reduces Hydrogen Peroxide Accumulation Involved in Water Stress‐induced Subcellular Anti‐oxidant Defense in Maize Plants · 2008

    Opposite direction

  7. no effect
    Amending urea with KCI did not significantly change yield, ear-leaf nitrogen or nitrogen uptake in the tested year.

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

    Opposite direction

  8. negative
    Rate of dry matter accumulation in maize decreased with declining N supply.

    Influence of N supply on development and dry matter accumulation of an old and a new maize hybrid · 1994

    Opposite direction

2,176 papers more in this group

See all 2,185 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.