Mboua, E. ., Bitondo, D. ., Tabi, F. O. . and Boukong, A. . (2023) “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 ”, Current Research in Agricultural Sciences, 10(1), pp. 22–32. doi: 10.18488/cras.v10i1.3366.