Roger Kogge Enang

Application of Chemical Fertilizers in Cocoa-Based (Theobroma cacao) Agroforestry Systems; Impact on Yields and Policy Ramifications: Empirical Evidence from Cameroon

Azembouh Roshinus Tsufac, Bernard Palmer Kfuban Yerima, Nyong Princely Awazi & Roger Kogge Enang · Journal of Experimental Agriculture International · 2020

Soil fertility decline has pushed farmers across the world to resort to chemical fertilizers in order to improve soil fertility and enhance crop yields. In agroforestry systems, the application of chemical fertilizers is a call for concern considering that agroforestry systems ar...

Open access Research Article 10.9734/jeai/2020/v42i1030612

Cocoa Farmers’ Perceptions of the Contribution of Tree Diversity and Abundance to Soil Fertility in Cocoa-Based (Theobroma cacao) Agroforestry Systems in the Littoral Region of Cameroon

Azembouh Roshinus Tsufac, Bernard Palmer Kfuban Yerima, Nyong Princely Awazi & Roger Kogge Enang · Journal of Experimental Agriculture International · 2020

Tree diversity and abundance within an agroforestry system plays a crucial role in the provision of different ecosystem services. It was within this framework that this study sought to examine the contribution of tree diversity and abundance to soil fertility in cocoa-based agrof...

Open access Research Article 10.9734/jeai/2020/v42i1030613

Analysis of Land Cover Change and Its Implication on the Environment around the Dja Biosphere Reserve, Southeastern Cameroon

Njini Loveline Munjeb, Yerima Bernard Palmer Kfuban, Marie-Louise Tientcheu Avana, Julius Tata Nfor & Roger Kogge Enang · Journal of Geography, Environment and Earth Science International · 2021

Land cover change is a growing concern around the world. This is especially true for protected areas which are rapidly degrading owing to pressure from anthropogenic activities. The aim of this study was to analyze land cover change for the periods 1980, 2008 and 2020 and its imp...

Open access Research Article 10.9734/jgeesi/2021/v25i430280