Engineering Science

Volume 10, Issue 2, June 2025

  • Research Article

    Growth and Yield Response of Carrot (Daucus carota L.) to Fertilizer Rate in Wolaita Zone, Southern Ethiopia

    Abdirshikur Reshid Jemal*, Zekiya Fitret Shikur

    Issue: Volume 10, Issue 2, June 2025
    Pages: 24-31
    Received: 8 January 2025
    Accepted: 7 April 2025
    Published: 29 April 2025
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    Abstract: Carrot (Daucus carota L.) is a significant root vegetable cultivated and consumed in Ethiopia. However, there has been limited research on the optimal fertilizer rates to enhance carrot growth and yield in the Wolaita zone. A field experiment was carried out to assess the impact of four different rates of NPS fertilizer (0 kg ha-1, 60 kg ha-1, 120 ... Show More
  • Research Article

    Nonlinear Vibration of Single-Walled Carbon Nanotubes on Winkler and Pasternak Foundations in a Magneto-Thermal Environment Under the Influence of Casimir Force

    Haruna Egbunu Abubakar*, Ahmed Amoo Yinusa, Musbau Gbeminiyi Sobamowo, Obanishola Mufutau Sadiq

    Issue: Volume 10, Issue 2, June 2025
    Pages: 32-58
    Received: 1 February 2025
    Accepted: 22 March 2025
    Published: 29 April 2025
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    Abstract: Nanotubes are known to have the strongest and stiffest fibers with exceptional tensile strength and higher modulus of elasticity, researchers have been very interested in studying their nonlinear vibrations. Nonetheless, using nanotubes to partially substitute reinforcing material has emerged as a revolutionary approach for applications of the futu... Show More
  • Research Article

    Technical Evaluations of Ujummo Irrigation Scheme Performance at Haru, Western Ethiopia

    Zalalem Tamiru Bekele*, Bikila Takala Dibaba, Adisu Asefa Mengasha, Minda Tadase Bedane

    Issue: Volume 10, Issue 2, June 2025
    Pages: 59-72
    Received: 15 January 2025
    Accepted: 10 April 2025
    Published: 19 May 2025
    DOI: 10.11648/j.es.20251002.13
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    Abstract: For a number of reasons, many irrigation projects are underperforming; these need be fixed to raise the programs' productivity and efficiency. The purpose of this study was to evaluate the effectiveness of the Ujummo irrigation scheme in western Ethiopia's West Wolega Zone. The average conveyance efficiency (70.3%), field application efficiency (38... Show More