An in vitro incubation system was used to evaluate the following treatments in a completely randomized 2*2 factorial arrangement with 4 replications; Cassava leaf meal plus urea (CLM-U), Cassava leaf meal plus calcium nitrate (CLM-CaN), Mimosa pigra leaf meal plus urea (MLM-U) and Mimosa leaf meal plus calcium nitrate (MLM-CaN). The basal substrate was cassava root meal.