Merawie, A. ., Alemayehu, M. ., & Masrie, B. . (2019). Optimal Rate of Nitrogen and Intra-Row Spacing for Economical Production of Onion under Irrigated Farming System in Eastern Amhara Region, Ethiopia. Current Research in Agricultural Sciences, 6(2), 83–94. https://doi.org/10.18488/journal.68.2019.62.83.94