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O. A. Essien

Publications (2)

Effects of Organic Fertilizers on the Growth and Yield of Different Cassava Varieties in Obio Akpa, Akwa Ibom State, Nigeria

O. R. Akata, O. A. Essien & E. A. Akpan · Asian Journal of Research in Crop Science · 2026

Cassava is a staple crop and the primary source of dietary energy for many people in Africa. Beyond its nutritional role, cassava is strategically important for food security, poverty reduction, and economic development, serving as raw material for agro-industries and holding sig...

Open access Research Article 10.9734/ajrcs/2026/v11i1410

Growth and Yield Performance of Sweet Potato Using Organic Fertilizer on an Ultisol

O. R. Akata, F. E. Ben, O. A. Essien & I. E. Ituen · Asian Journal of Research in Crop Science · 2026

Continuous cultivation of sweetpotato (Ipomea batatas) on nutrient-depleted soils is a major cause of low yield in tropical Africa. This study evaluated the effect of two organic fertilizers Monty liquid and pig manure on the growth and yield performance of sweetpotato grown on a...

Open access Research Article 10.9734/ajrcs/2026/v11i2424