Science Development

Volume 5, Issue 4, December 2024

  • Research Article

    Optimum Determination of NPSB Fertilizer Rates on Bread Wheat (Triticum asetivum.L) Varieties at Degam District of North Shewa Zone, Oromia

    Abreham Feyisa*, Yibekal Alemayehu

    Issue: Volume 5, Issue 4, December 2024
    Pages: 79-91
    Received: 24 October 2024
    Accepted: 11 November 2024
    Published: 28 November 2024
    DOI: 10.11648/j.scidev.20240504.11
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    Abstract: The field experiment was conducted at Degam district during main cropping season to investigate the response of bread wheat varieties to NPSB fertilizer rates and identify its economic benefit. Factorial combination of three improved bread wheat varieties (Danda’a, Hidase and Kakaba) and six fertilizer rates [Control, 50, 100, 150, 200 kg ha-1 NPSB... Show More
  • Review Article

    Collective Action for Seed Producer Cooperatives and Their Role in Improving the Sustainable Seed Supply and Impacts: The Case of Ethiopia

    Getu Mitiku Bekuma*

    Issue: Volume 5, Issue 4, December 2024
    Pages: 92-106
    Received: 27 August 2024
    Accepted: 18 September 2024
    Published: 28 November 2024
    DOI: 10.11648/j.scidev.20240504.12
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    Abstract: Seed is an essential component in crop production. Using superior seed from improved cultivars can increase yield by as much as fifty per cent per hectare. High-quality seed also encourages using extra agricultural inputs like fertilizers and insecticides. The Ethiopian seed system development strategy recognizes the formal, intermediary, and farme... Show More