E. A. Akpan

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

Insect Pest Complex and Beneficial Insects Associated with Sweet Potato (Ipomoea batatas) (Lam.) in Southern Nigeria and Key Pests to Consider in Control Programmes

Y. I. Uwaidem, O. A. Borisade, R. A. Essien & E. A. Akpan · Journal of Agriculture and Ecology Research International · 2018

Survey of insects on sweet potato, Ipomoea batatas (Lam) was conducted in Southern Nigeria during two cultivation periods within a season, March-July and August-December, to identify key pests and beneficial species that can be exploited in future biocontrol programmes.  The reco...

Open access Research Article 10.9734/JAERI/2018/44189

Growth and Foliar Yield Responses of Waterleaf (Talinum triangulare Jacq) to Complementary Application of Organic and Inorganic Fertilizers in a Ultisol

N. U. Ndaeyo, A. O. Ikeh, K. K. Nkeme, E. A. Akpan & E. I. Udoh · Journal of Experimental Agriculture International · 2013

Aims: Growth and foliar yield responses of waterleaf (Talinum triangulare Jacq) to complementary application of organic and inorganic fertilizers were studied in a Ultisol. Study Design: The experiment was laid out in a randomized complete block design with three replicates. Plac...

Open access Research Article 10.9734/AJEA/2013/2599