Mohamed, Badr A Engineered biochar from microwave-assisted catalytic pyrolysis of switchgrass for increasing water-holding capacity and fertility of sandy soil. [electronic resource] - The Science of the total environment Oct 2016 - 387-397 p. digital Publication Type: Journal Article ISSN: 1879-1026 Standard No.: 10.1016/j.scitotenv.2016.04.169 doi