Intervention effectmodel-written summary

Coated urea with foliar nano iron gave the highest wheat grain yield increase versus uncoated urea.

A claim from Environmental Impact for Applications of Neem Cake Coated Urea and Nano Iron Foliar on Rationalization of Chemical Nitrogen Fertilizers and Wheat Yield · 2017

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Coated urea with foliar nano iron gave the highest wheat grain yield increase versus uncoated urea.

Treatment
neem coated urea fertilizers with foliar nano irone0
Outcome
grain yielde0
Direction
increasee0
Comparator
uncoated ureae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“A highest increase in the grain yield of wheat was recorded by application of neem coated urea fertilizers with foliar nano iron compared to uncoated urea as a control”

✓ located verbatim in the source · abstract, characters 1269–1436

Title

Environmental Impact for Applications of Neem Cake Coated Urea and Nano Iron Foliar on Rationalization of Chemical Nitrogen Fertilizers and Wheat Yield

Shreen Ahmed; A. Fahmy Journal of Soil Sciences and Agricultural Engineering /Journal of Soil Sciences and Agricultural Engineering 2017. doi:10.21608/jssae.2017.38088

Other claims from this paper (7)

Record rev-e54ee9e043ba5302faa65fbcbd708a835cbc0b791e13c796e16130ac2854185d · schema claims-v0.9 · position 4 in the model’s answer

iron atom · yield · Triticum aestivum (wheat)Results differ

99 papers: 92 positive, 7 negative or no effect

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

  1. no effect
    Severe iron decrement did not affect crop growth or yield contributing parameters.

    Effects of Iron on the Wheat Crop (Triticum aestivum L.) by Uptake of Nitrogen, Phosphorus and Potassium · 2012

    Opposite directionCited by this paper

  2. no effect
    soil application of Fe-EDDHA did not significantly affect wheat dry matter yield.

    Interaction of Iron with Copper, Zinc, and Manganese in Wheat as Affected by Iron and Manganese in a Calcareous Soil · 2008

    Opposite direction

  3. no effect
    Iron did not significantly influence wheat growth and yield.

    Effect of sulphur and micronutrients on growth, nutrient content and yield of wheat (Triticum aestivum L.). · 2000

    Opposite direction

  4. negative
    Salmag with Fe had a slightly weaker grain yield effect than pure Salmag.

    New Fertilisers with Innovative Chelates in Wheat Cultivation · 2024 · compared with pure Salmag®

    Opposite direction

  5. no effect
    Fe addition had no effect on wheat grain yield.

    Loading of zinc and iron in grains of different wheat genotypes in the calcareous and floodplain soils of Bangladesh · 2023

    Opposite direction

  6. no effect
    Micronutrients (Zn, Cu, Fe and Mn) had no significant effect on wheat yield.

    Maximizing wheat yield through integrated use of farmyard manure and fertilizers · 2016

    Opposite direction

  7. no effect
    Additional iron did not change wheat yield or iron or manganese uptake.

    Response to iron and manganese application as affected by their availability in a Typic Natraqualf · 1994

    Opposite direction

  8. positive
    Soil or foliar application of FeSO4 and ZnSO4, alone or combined, increased plant height, tiller number and spike length of wheat.

    Biofortification with Zinc and Iron Improves the Grain Quality and Yield of Wheat Crop · 2020

    Same direction

90 papers more in this group

See all 99 papers →

botanical · yield · Triticum aestivum (wheat)Positive and negative results

140 papers: 123 positive, 17 negative or no effect

122 papers in the same direction as this claim · 16 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Wild oat essential oil induced wheat production of 2,4‐dihydroxy‐7‐methoxy‐1,4‐benzoxazin‐3‐one.

    Chemical constituents of the essential oils of wild oat and crabgrass and their effects on the growth and allelochemical production of wheat · 2013

    Opposite direction

  2. no effect
    Microalgal extracts did not increase grain yield.

    Impact of microalgal phenolic extracts on the control of Fusarium graminearum and deoxynivalenol contamination in wheat · 2019

    Opposite direction

  3. negative
    Greenhouse salinity reduced plant height and tiller number significantly at ECe of 5 dS m −1 and above.

    Response of Spring Wheat to Sulfate‐Based Salinity Stress under Greenhouse and Field Conditions · 2017

    Opposite direction

  4. negative
    Mesquite extracts significantly reduced tiller number.

    Bioherbicidal Assessment of Aqueous Extracts of Mesquite (Prosopis juliflora) on Weeds Control and Growth, Yield and Quality of Wheat · 2018

    Opposite direction

  5. negative
    Pepper tree extracts reduced wheat seedling emergence, height and dry matter yield.

    Potential of Aqueous Extracts from Parts of the Pepper Tree (Schinus molle L.) to Affect Emergence and Seedling Development of Wheat (Triticum sativa L.) and Weeds in a Manure Amended Soil · 2008 · compared with control (water)

    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. negative
    Aqueous milkweed extracts reduced wheat growth and yield in proportion to extract concentration compared with tap water.

    Phytotoxic Effect of Aqueous Extracts of Different Plant Parts of Milkweed on Weeds and Growth and Yield of Wheat · 2017 · compared with tap water

    Opposite direction

  8. no effect
    Aqueous neem leaf extract at 0, 50 and 100% had no significant effect on wheat yield and yield components.

    Effect of aqueous extract of sun-dried neem (Azadirachta indica A.) leaves on wheat yield under field condition · 2012

    Opposite direction

131 papers more in this group

See all 140 papers →

nanoparticle · yield · Triticum aestivum (wheat)Positive and negative results

260 papers: 242 positive, 18 negative or no effect

241 papers in the same direction as this claim · 18 in the opposite direction

  1. negative
    The higher nano iron oxide rate decreased those three traits.

    Effect of foliar application of nano-iron oxidase, iron chelate and iron sulphate rates on yield and quality of wheat. · 2013

    Opposite direction

  2. negative
    Nitrogen fertilizer treatments showed significant annual wheat yield declines of 76 to 114 kg ha−1 yr−1.

    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

  3. negative
    Wheat yield declined by 84.7 kg/ha/yr under NP fertilization

    Trends in grain yields and soil organic C in a long‐term fertilization experiment in the China Loess Plateau · 2008

    Opposite direction

  4. negative
    Under 100% NP, wheat grain yield fell 19% 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

  5. 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

  6. negative
    65 kg ha –1 plus nano urea foliar sprays reduced wheat grain yield by 10.7 %.

    Relative performance of granulated and nano urea on productivity and nitrogen use efficiency of wheat–rice sequence · 2024

    Opposite direction

  7. no effect
    Nanoselenium and sodium selenite also had no significant effect on wheat yield.

    Humic acid chelated selenium is suitable for wheat biofortification · 2023

    Opposite direction

  8. no effect
    Combined NPK and NANO-GRO did not affect grain yield or its components in common wheat or spelt.

    Nutritional and technological characteristics of common and spelt wheats are affected by mineral fertilizer and organic stimulator NANO-GRO · 2016

    Opposite direction

251 papers more in this group

See all 260 papers →

3 of 6 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.