Mboua E, Bitondo D, Tabi FO, Boukong A. Availability of exchangeable potassium due to cocoa pods husk and coffee wastes amended with urea and impact on some other soil physico-chemical properties in a ferralsol of west Cameroon . cras [Internet]. 2023 May 12 [cited 2024 May 20];10(1):22-3. Available from: http://archive.conscientiabeam.com/index.php/68/article/view/3366