Intervention effectmodel-written summary

Zinc sulfate at 25 kg/ha produced seed yield of 972 kg/ha.

A claim from Effect of Iron and Zinc on Growth, Yield and Quality of Cowpea (Vigna unguiculata L.) under South Gujarat Condition · 2021

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Zinc sulfate at 25 kg/ha produced seed yield of 972 kg/ha.

Treatment
soil application of ZnSO4 @ 25.0 kg/hae0
Outcome
seede0
Direction
increasede0
Value
972e0
Comparator
controle0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“seed and haulm yield (972 and 2030 kg/ha, respectively) and test weight increased significantly with soil application of ZnSO4 @ 25.0 kg/ha which was significantly higher over control”

✓ located verbatim in the source · abstract, characters 1029–1212
t0

“Cowpea”

✓ located verbatim in the source · title, characters 56–62

Title

Effect of Iron and Zinc on Growth, Yield and Quality of Cowpea (Vigna unguiculata L.) under South Gujarat Condition

V. A. Dobariya A. P. Patel International Journal of Current Microbiology and Applied Sciences 2021. doi:10.20546/ijcmas.2021.1011.039

Other claims from this paper (7)

Record rev-e34bd2f677942ed2b77eb49c69e8f5bfab211f780b648e7c793827e71a21c380 · schema claims-v0.9 · position 5 in the model’s answer

zinc sulfate · yield · Vigna unguiculata (cowpea)Results agree

14 papers: 14 positive, 0 negative or no effect

13 papers in the same direction as this claim

  1. positive
    Applying ZnSO4 at 20 kg/ha significantly increased green fodder yield to 25.89 t/ha.

    Effect of phosphorus and zinc nutrition on growth and yield of fodder cowpea · 2016

    Same direction

  2. positive
    Foliar ZnSO4 increased cowpea seed yield by 15–20%.

    Status, scope and strategies of arid legumes research in India-A review · 2012

    Same direction

  3. positive
    Combined 0.5% FeSO4 and 0.5% ZnSO4 spraying at 45 DAS increased cowpea seed yield by 43.09 per cent versus control.

    Response of cowpea {Vigna unguiculata (L.) Walp.} to foliar nutrition of zinc and iron in the oxisols of Kerala · 2005 · compared with control

    Same direction

  4. positive
    ZnSO4 at 20 kg/ha increased green fodder yield to 25.89 t/ha.

    Effect of Phosphorus and Zinc Application on Nutritional Characteristics of Fodder Cowpea ( Vigna unguiculata ) · 2015

    Same direction

  5. positive
    Basal 20 kg ZnSO4 gave the highest growth and fodder yield.

    Productivity and Profitability of Fodder Cowpea Cultivars under Various Zinc Management Practices in IGP of India · 2021

    Same direction

  6. positive
    Foliar ZnSO4 and K2O produced higher pod and grain yield attributes.

    Productivity of grain cowpea in high phosphorus soils as influenced by nutrient interactions · 2019

    Same direction

  7. positive
    The combined fertilizer, zinc and biofertiliser treatment gave the highest cowpea net returns.

    Productivity and profitability of legumes as influenced by integrated nutrient management with fruit crops under hot arid ecology · 2001

    Same direction

  8. positive
    The combination of irrigation at 0.8 IW:CPE ratio with 12.5 kg ZnSO4 ha−1 (I4Zn1) gave significantly higher seed yield, stover yield and net realization in summer cowpea.

    Influence of Irrigation Scheduling Based on Critical Growth Stages and Different Levels of Zinc on Growth, Yield and Quality of Summer Cowpea (Vigna unguiculata L. Walp.) Under Middle Gujarat Conditions · 2015

    Same direction

5 papers more in this group

See all 14 papers →

application · yield · Vigna unguiculata (cowpea)Positive and negative results

126 papers: 112 positive, 14 negative or no effect

111 papers in the same direction as this claim · 12 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    The DDT-related decrease in flower number and shorter flowering had no detrimental effect on cowpea yield.

    Relationships of Insect Control Attempts by Chemicals to Components of Yield of Cowpeas in Uganda · 1972

    Opposite direction

  2. no effect
    Foliar 6-benzyladenine sprays had no significant effect on cowpea yield compared with controls.

    Effects of Decapitation and Benzyladenine on Growth and Yield of Cowpea [Vigna unguiculata (L.) Walp.] · 1984 · compared with controls

    Opposite direction

  3. negative
    Spraying at flowering caused the greatest reduction in haulm yields.

    On‐farm evaluation of control strategies for insect pests in cowpea with emphasis on flower thrips,Megalurothrips sjostedtiTrybom (Thysanoptera: Thripidae) · 1992

    Opposite direction

  4. no effect
    Drenching with vermicompost teas did not affect growth and yield of cowpea in two field trials.

    Effects of vermicompost water extract prepared from bamboo and kudzu against Meloidogyne incognita and Rotylenchulus reniformis · 2018

    Opposite direction

  5. no effect
    Foliar selenate did not affect cowpea grain yield.

    Agronomic biofortification of cowpea with selenium by foliar fertilization: effect of doses in three cultivars · 2019

    Opposite direction

  6. no effect
    Grain yield was similar between monitored and calendar cypermethrin sprays on cowpea.

    Management of major field insect pests and yield of cowpea (Vigna unguiculata (L) Walp) under calendar and monitored application of synthetic chemicals in Asaba, southern Nigeria. · 2010 · compared with calendar

    Opposite direction

  7. negative
    Longer soaking of cowpea seeds (1 to 6 hours) lowered germinability, sprout yield ratio and lateral root output.

    The Yield and Growth Responses of Cowpea Sprouts According to the Treatment Conditions of Raw Seeds · 2013

    Opposite direction

  8. no effect
    Spray interval and frequency made no significant yield difference for IT 84E-124.

    Evaluation of the electrodynamic spraying technique for cowpea pest control. · 1990

    Opposite direction

117 papers more in this group

See all 126 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.