Open Science Research Excellence
T. M. Agbede and  A. O. Adekiya,  Effect of Cocoa Pod Ash and Poultry Manure on Soil Properties and Cocoyam Productivity of Nutrient-Depleted Tropical Alfisol.   journal   = {International Journal of Biological, Biomolecular, Agricultural, Food and Biotechnological Engineering}, [online]. World Academy of Science, Engineering and Technology. March 2016, vol. 111(3). 172 - 179[viewed 23 May 2019]. Available from: http://waset.org/publications/10003963.