1. Soil nutrient management strategy required for sustainable and competitive cocoa production in Ghana Some Key Information on nutrient and their availability required for cocoa;Afrifa,2009
2. Nitrogen, phosphorus and potassium budget under the cocoa ecosystem: produce harvesting phase;Afrifa,2007
3. Towards Advancement of Knowledge: Scientific Research into Cocoa Nutrition and other Soils;Ahenkorah,2016
4. Total soil organic carbon and carbon sequestration potential in Nigeria;Akpa;Geoderma,2016
5. Vulnerability of agriculture to climate change-Impact of climate change on cocoa production;Anim-Kwapong,2009