Decomposition of soil organic matter is mainly caused by? By: Sunday|Published on: Jan 12|Categories: Agricultural Science WAEC| 0 comments A. bacteria B. algae C. fungi D. nematodes Correct Answer: Option A – bacteria Users Also Read These:The role of dead organic matter in the soil is to?The gas produced during decomposition of matter is?Which of the following is not a function of organic…The process by which organic matter is decomposed…Organic components of the soil include all the…SEE ALSO The following are advantages of using disc plough over mouldboard plough in West Africa except