Effects of different levels of NPK (20: 10: 10) fertilizer on the growth and yield of okra (Abelmoschus esculentus) in Agbor, Delta State, Nigeria (implication for extension service delivery)

Umeri, C., Onyemkonwu, R., Moseri, H., Belonwu, N., Chisonum, M., & mahia, I. (2025). Effects of different levels of NPK (20: 10: 10) fertilizer on the growth and yield of okra (Abelmoschus esculentus) in Agbor, Delta State, Nigeria (implication for extension service delivery). p. 295–300.