KURA, ZANNA ABBA, UMAR, MARYAM IBRAHIM, LAWAN, AISHA. GROWTH AND MARGINAL BENEFIT OF ONION (Allium cepa L.) PRODUCTION UNDER DIFFERENT RATES OF NITROGEN AND FARM YARD MANURE IN MAIDUGURI SUDAN SAVANNA, NIGERIA. TIJARBT [Internet]. 2025 Sep. 12 [cited 2025 Nov. 9];9(1). Available from: https://taapublications.com/tijarbt/article/view/724