Akpanurom, K.S., Uduak, I.G. and Etukudo, N.N. (2023) “Effects of NPK fertilizer on soil properties and prema onion (Allium cepa L.) performance in a humid environment at Obio-Akpa, Akwa Ibom State”, Journal Of Agriculture, Forestry & Environment, 7(1), pp. 116–128. Available at: https://jafe.net.ng/index.php/home/article/view/126 (Accessed: 19 April 2025).