Justin N. Okolle

Role of Combined Ash and Terbuphos as Preplanting Corm Treatment to Manage Corm Borer Weevils (Cosmopolites sordidus) on Plantains and Stimulate Growth

Justin N. Okolle, Irene Lenyu Kiyo Mumah, Ngosong Christopher, Lawrence Tatanah Nanganoa, Oumar Doungous & Augustina Nwana Fongod · Journal of Experimental Agriculture International · 2018

The banana borer weevil, Cosmopolites sordidus is the most important pest that causes significant damage to banana and plantain in Cameroon. Most farmers in Buea Sub-Division, South West Region, Cameroon, believe that applying a combination of Terbuphos (Counter 10G®) and Wood As...

Open access Research Article 10.9734/JEAI/2018/39564

Comparative Study of Soil and Foliar NPK Fertilizers on the Yield and Income of Cucumber (Cucumis sativus L.)

Christopher Ngosong, Brian N. Nkiambuo, Clovis B. Tanyi, Raymond N. Nkongho, Justin N. Okolle, Andrew E. Egbe & Aaron S. Tening · Asian Journal of Advances in Agricultural Research · 2018

Fertilizers are used to improve soil fertility and crop production, but high cost and environmental effects have necessitated cost-effective fertilizer management strategies. A field experiment was setup as randomised complete block design with three treatments (Control – no fert...

Open access Research Article 10.9734/AJAAR/2018/45721

Importance of NPK Foliar Fertilization for Improving Performance of Tomato (Solanum lycopersicum L.), Managing Diseases and Leafminer (Tuta absoluta)

Christopher Ngosong, Clovis B. Tanyi, Cyril A. Njume, Priscilla M. Mfombep, Justin N. Okolle, Thomas E. Njock, Raymond N. Nkongho & Aaron S. Tening · Journal of Experimental Agriculture International · 2018

Aim: To improve tomato performance, manage diseases and leafminer via NPK foliar fertilization as compared to soil fertilization. Methodology: Six treatments (control, soil NPK, Soil+Foliar NPK, Mucuna, Tithonia and Mucuna+Tithonia) were evaluated for their potential to improve t...

Open access Research Article 10.9734/JEAI/2018/39034

Potential of Dual-Purpose Organic Amendment for Enhancing Tomato (Lycopersicon esculentum M.) Performance and Mitigating Seedling Damage by Mole Cricket (Gryllotalpa africana spp.)

Christopher Ngosong, Clovis B. Tanyi, Cyril A. Njume, Priscilla M. Mfombep, Justin N. Okolle, Thomas E. Njock, Raymond N. Nkongho & Aaron S. Tening · International Journal of Plant & Soil Science · 2018

Aim: Efficacy of locally produced dual-purpose organic amendment for improving tomato protection and yield was compared with synthetic pesticides and fertilizers. Methodology: The experiment was setup as randomized complete block with three treatments (control, inorganic and orga...

Open access Research Article 10.9734/IJPSS/2017/38666