Intervention effectmodel-written summary

Foliar zinc at 750 ml/ha gave the maximum number of leaves and tillers per plant in rice.

A claim from Effect of soil and foliar application of zinc on growth, yield attributes and yield of rice (Oryza sativa L.) · 2020

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar zinc at 750 ml/ha gave the maximum number of leaves and tillers per plant in rice.

Taxon
rice (Oryza sativa L.)Oryza sativat0
Treatment
foliar application of zinc @ 750 ml ha-1e1
Outcome
number of leaves plant-1, number of tillers plant-1e1
Direction
Maximume1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e1

“Maximum growth parameters viz., number of leaves plant-1, number of tillers plant-1, dry matter accumulation, leaf area index and yield attributes viz., number of effective tillers m-2, filled grains panicle-1, panicle weight, panicle length, number of filled grain per panicle, grain yield and straw yield was noted with foliar application of zinc @ 750 ml ha-1”

✓ located verbatim in the source · abstract, characters 359–721
t0

“rice (Oryza sativa L.)”

✓ located verbatim in the source · title, characters 87–109

Title

Effect of soil and foliar application of zinc on growth, yield attributes and yield of rice (Oryza sativa L.)

Dev Narayan; Vivek Kumar Tripathi; Anil Kumar Verma International Journal of Chemical Studies 2020. doi:10.22271/chemi.2020.v8.i5u.10516

Other claims from this paper (5)

Record rev-2dfac16e97be9e966264eaf163b1bdffc7c4e29077f7893489749a085de6448c · schema claims-v0.9 · position 1 in the model’s answer

zinc atom · yield · Oryza sativa (rice)Results differ

419 papers: 389 positive, 30 negative or no effect

388 papers in the same direction as this claim · 28 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Foliar zinc at 60 DAT yielded a minimum of 220.28 productive tillers per m2.

    Effect of method and time of zinc application on growth and yield of rice (Oryza sativa L.) · 2011 · compared with basal application at the rate 25 kg ha-1 21 % ZnSO4

    Opposite directionCited by this paper

  2. positive
    Soil-only zinc increased mean grain yield by 22%.

    Zinc fertilization effects on agromorphological and quality parameters of commonly grown rice · 2014

    Same directionCited by this paper

  3. no effect
    Foliar-applied Zn, I, Fe or Se did not affect rice grain yield.

    Simultaneous Biofortification of Rice With Zinc, Iodine, Iron and Selenium Through Foliar Treatment of a Micronutrient Cocktail in Five Countries · 2020 · compared with local control (LC)

    Opposite direction

  4. negative
    Foliar Zn application at a late stage was not as effective as soil application in increasing yield attributes and yield of rice.

    Relative Efficiency of Zinc-Coated Urea and Soil and Foliar Application of Zinc Sulphate on Yield, Nitrogen, Phosphorus, Potassium, Zinc and Iron Biofortification in Grains and Uptake by Basmati Rice (Oryza sativa L.) · 2015 · compared with soil application

    Opposite direction

  5. no effect
    Following green manure, reduced P, K, S and Zn doses did not reduce T. Aman yield.

    Long‐Term Integrated Nutrient Management for Rice‐Based Cropping Pattern: Effect on Growth, Yield, Nutrient Uptake, Nutrient Balance Sheet, and Soil Fertility · 2007

    Opposite direction

  6. no effect
    Zinc fertilization did not significantly increase rice productivity.

    Long-Term Effects of Sulfur and Zinc Fertilization on Rice Productivity and Nutrient Efficiency in Double Rice Cropping Paddy in Bangladesh · 2015

    Opposite direction

  7. no effect
    Foliar zinc spraying did not affect rice grain yield in any field.

    Effects of Foliar Application of Zinc on Grain Yield and Zinc Concentration of Rice in Farmers’ Fields · 2018

    Opposite direction

  8. negative
    Zinc fertilizer might reduce rice yields in high-M3Zn fields.

    DEVELOPMENT OF A CRITICAL MEHLICH 3 SOIL ZINC CONCENTRATION FOR RICE IN ARKANSAS · 2002

    Opposite direction

410 papers more in this group

See all 419 papers →

application · yield · Oryza sativa (rice)Positive and negative results

691 papers: 645 positive, 46 negative or no effect

644 papers in the same direction as this claim · 37 in the opposite direction · 9 reporting no difference from an alternative

  1. negative
    Foliar zinc at 60 DAT yielded a minimum of 220.28 productive tillers per m2.

    Effect of method and time of zinc application on growth and yield of rice (Oryza sativa L.) · 2011 · compared with basal application at the rate 25 kg ha-1 21 % ZnSO4

    Opposite directionCited by this paper

  2. positive
    Soil plus foliar zinc increased mean grain yield by 29%.

    Zinc fertilization effects on agromorphological and quality parameters of commonly grown rice · 2014

    Same directionCited by this paper

  3. positive
    T2 gave maximum grain yield of 7.11 t ha-1.

    Effect of different zinc management practices on growth, yield, protein content, nutrient uptake and economics on rice under partially reclaimed salt-affected soil · 2017 · compared with T3 and T5

    Same directionCited by this paper

  4. negative
    Traditional soaking reduced kernel yield of direct seeded rice compared with control.

    Enhancing the Performance of Direct Seeded Fine Rice by Seed Priming · 2006 · compared with control

    Opposite direction

  5. no effect
    Foliar-applied Zn, I, Fe or Se did not affect rice grain yield.

    Simultaneous Biofortification of Rice With Zinc, Iodine, Iron and Selenium Through Foliar Treatment of a Micronutrient Cocktail in Five Countries · 2020 · compared with local control (LC)

    Opposite direction

  6. no effect
    Foliar silicon had no significant effect on plant height, harvest index or number of kernels of rice.

    Effect of Foliar Application of Silicon on Yield and Quality of Rice (Oryza Sativa L) · 2013

    Opposite direction

  7. negative
    Foliar Zn application at a late stage was not as effective as soil application in increasing yield attributes and yield of rice.

    Relative Efficiency of Zinc-Coated Urea and Soil and Foliar Application of Zinc Sulphate on Yield, Nitrogen, Phosphorus, Potassium, Zinc and Iron Biofortification in Grains and Uptake by Basmati Rice (Oryza sativa L.) · 2015 · compared with soil application

    Opposite direction

  8. negative
    Foliar spray decreased grain yield.

    Suppression of methane fluxes from flooded paddy soil with rice plants by foliar spray of nitrogen fertilizers · 1992

    Opposite direction

682 papers more in this group

See all 691 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.