Intervention effectmodel-written summary

The combined treatment significantly increased grains per spike in wheat at both locations.

A claim from Effect of graded saturation of p-fixing capacity of two different soil types on growth and yield of wheat (Triticum aestivum L.) · 2018

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The combined treatment significantly increased grains per spike in wheat at both locations.

Treatment
application of 100% P-fixing capacity of soil + 50 kg FeSO4 ha-1 + 25 kg ZnSO4 ha-1 + 60 kg K2O ha-1 along with RDF kg ha-1e0
Outcome
number of grain per spikese0
Direction
highere0
Setting
both the locatione0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

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

“The treatment containing application of 100% P-fixing capacity of soil + 50 kg FeSO4 ha-1 + 25 kg ZnSO4 ha-1 + 60 kg K2O ha-1 along with RDF kg ha-1 recorded significantly higher growth attributes like plant as well as yield attribute like number of grain per spikes and grain and straw yield of wheat at both the location”

✓ located verbatim in the source · abstract, characters 382–704

Title

Effect of graded saturation of p-fixing capacity of two different soil types on growth and yield of wheat (Triticum aestivum L.)

V. P. Parmar; K.P. Patel; Kiran Ombase; et al. International Journal of Chemical Studies 2018

Other claims from this paper (2)

Record rev-5cd2ab9540bee87c016b6f2b0056ee1dea18cc2e2ed2ca3720bc5f82d7158200 · schema claims-v0.9 · position 2 in the model’s answer

zinc sulfate · yield · Triticum aestivum (wheat)Results differ

100 papers: 98 positive, 2 negative or no effect

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

  1. no effect
    Nutri priming of seeds with zinc sulphate heptahydrate solution could not improve wheat yield over control.

    Yield and grain zinc concentration of wheat as affected by nutri priming and foliar application of zinc · 2019 · compared with control

    Opposite direction

  2. no effect
    Grain yields in insecticide-only and insecticide plus zinc plots were statistically similar.

    Compatibility of foliar application of zinc sulphate with insecticides against wheat aphid · 2021 · compared with thiamethoxam and azadirachtin sprayed plots

    No difference from an alternative

  3. 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

  4. positive
    The greatest grain number per spike followed 80 kg ZnSO4 ha−1 plus foliar Mn.

    Response of Wheat Plants to Zinc, Iron, and Manganese Applications and Uptake and Concentration of Zinc, Iron, and Manganese in Wheat Grains · 2009

    Same direction

  5. positive
    The combined FeSO4, ZnSO4, and MnSO4 spray was comparatively better for wheat yield attributes.

    Foliar Application of Micronutrients Enhances Wheat Growth, Yield and Related Attributes · 2015 · compared with comparatively

    Same direction

  6. positive
    Seed-banded zinc sulfate gave the highest grain yields.

    Effectiveness of zinc sulfate and zinc chelate as foliar sprays in alleviating zinc deficiency of wheat grown on zinc-deficient soils in Western Australia · 1991

    Same direction

  7. positive
    ZnSO 4 priming increased plant dry matter and grain yield over unprimed seeds.

    Effect of seed priming on growth and phenology of wheat under late‐sown conditions · 2004 · compared with unprimed seeds

    Same direction

  8. positive
    ZnSO4 spraying gave the highest grain yield in both genotypes.

    Zinc Enrichment in Two Contrasting Genotypes of Triticum aestivum L. Grains: Interactions between Edaphic Conditions and Foliar Fertilizers · 2021

    Same direction

91 papers more in this group

See all 100 papers →

iron(2+) sulfate (anhydrous) · yield · Triticum aestivum (wheat)Results agree

16 papers: 16 positive, 0 negative or no effect

15 papers in the same direction as this claim

  1. 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

  2. positive
    The combined FeSO4, ZnSO4, and MnSO4 spray was comparatively better for wheat yield attributes.

    Foliar Application of Micronutrients Enhances Wheat Growth, Yield and Related Attributes · 2015 · compared with comparatively

    Same direction

  3. positive
    Ferrous sulfate spraying doubled herbage yield a month later.

    Iron deficiency in wheat grown on the southern plains · 1993

    Same direction

  4. positive
    Foliar spray of ZnSO4 + FeSO4 at 0.25 % each at tillering and booting stages produced a significant maximum harvest index of 42.77 % compared with all other treatments.

    Effect of Integrated Nutrient Management and Agronomic Biofortification on Growth and Yield of Wheat (Triticum aestivum. L.) · 2023 · compared with all other treatments

    Same direction

  5. positive
    40 kg FeSO4 ha-1 gave higher wheat grain yield of 2975 kg ha-1.

    Impact of iron and zinc agronomic biofortification on yield, concentration and uptake of nutrients in wheat as affected by iron and zinc solubilizing microbial inoculants · 2024

    Same direction

  6. positive
    T7 produced the highest wheat grain yield, significantly increased and at par with T5 and T6.

    Effect of seed inoculation of zinc and iron solubilizing micro-organisms on yield and nutrient uptake by wheat in inceptisol · 2017 · compared with treatment T 5

    Same direction

  7. positive
    T10 produced the maximum effective tillers, grains per spike and spike length.

    Response of Iron and Zinc on Yield Attributes, Yield and Economics of Wheat (Triticum aestivum L.) · 2021

    Same direction

  8. positive
    Mesosulfuron + iodosulfuron with ZnSO4, urea and FeSO4 gave the highest net returns and benefit cost ratio.

    Effect of Post-Emergence Herbicidal Combinations Tank Mixed with Zinc or/and Iron Sulphate on Weed Index and Economics in Wheat Crop (Triticum aestivum) · 2022

    Same direction

7 papers more in this group

See all 16 papers →

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

257 papers: 227 positive, 30 negative or no effect

226 papers in the same direction as this claim · 29 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    NK reduced yield to near the unfertilized control level.

    Effects of Long-Term Fertilization on Leaf Photosynthetic Characteristics and Grain Yield in Winter Wheat · 2004 · compared with no fertilizer

    Opposite direction

  2. 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

  3. no effect
    Incorporating P and K into the subsoil did not further change wheat yield.

    The effects of subsoiling and deep incorporation of P and K fertilizers on the yield and nutrient uptake of barley, potatoes, wheat and sugar beet grown in rotation · 1979

    Opposite direction

  4. no effect
    Applications of multiple nutrients did not significantly increase wheat yield.

    Evidence for the involvement of the root lesion nematode Pratylenchus thornei in wheat yield decline in northern New South Wales · 1987

    Opposite direction

  5. negative
    Enterobacter cloacae Rhizo_33 without potassium increased grain yield by 19·16%.

    Impact of plant growth promoting rhizobacteria on different forms of soil potassium under wheat cultivation · 2019

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

  6. no effect
    Wheat biomass did not increase with potassium addition.

    Differential response of weed and crop species to potassium and sulphur fertilizers · 2007

    Opposite direction

  7. no effect
    Potassium rates did not significantly affect harvest index.

    Potassium Fertilization and its Level on Wheat (Triticum aestivum) Yield in Shallow Depth Soils of Northern Ethiopia · 2017

    Opposite direction

  8. no effect
    K had no significant effect on grain yield or total dry matter.

    Effect of Potassium and Nitrogen Fertilization on Lysine, Methionine, and Total Protein Contents of Wheat Grain, Triticum aestivum L. em. Thell.1 · 1972

    Opposite direction

248 papers more in this group

See all 257 papers →

3 of 5 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.