Decomposition of soil organic matter is mainly caused by? by Sunday | Jan 12 | Agricultural Science WAEC | 0 comments A. bacteria B. algae C. fungi D. nematodes Correct Answer: Option A – bacteria Users Also Read These:Under which of the following conditions will organic…The thin layer of unconsolidated mineral particles…Which of the following statement is a disadvantage…Which of the following involves the decomposition…The complex energy-rich organic matter which living…