Effect of management practice and cropping intensity on nutritional status of low Ganges river floodplain soils / Md. Thouhidul Islam. Islam, Md. Thouhidul Soil fertility 631.422 ISE Thesis (Ph.D.)--Department of Soil, Water and Environment, University of Dhaka, Session: 2011-2012. Includes bibliographical references Dhaka : University of Dhaka, 2016 2016 2016 Text [5], xxv, 268 p. : eng