Profile Mohammad Usman Location: Maiduguri, Nigeria Last activity: on 31/01/2020 Joined: on 27/01/2020 Design quotient Research 0pt Idea 0pt Evaluation 0pt Collaboration 4pt Total 4pt Recent comments (1) View all link Mohammad commented on Development of Biochar-Based Closed Loop Food System 08:06, Jan 31, 2020 We like your idea sir. You an encyclopedia of useful facts. Very educated, eloquent, culturely liberate and very civilised. Having you as our lecturer is not only a luck but also a blessing. More grease to your already greased elbows sir.