LAW-OGBOMO, K. ., OGEDEGBE, S. A. and EWANSIHA, S. U. (2019) “Agronomic Performance of Sweet Potato (Ipomoea batatas (L.) Lam) Fertilized with Poultry Manure Enriched with Oil Palm Refuse Bunch Ash in a Low Fertile Soil ”, Notulae Scientia Biologicae, 11(3), pp. 408–413. doi: 10.15835/nsb11310413.