Thesis. M.S. American University of Beirut. Department of Agricutural Sciences, 2015. ST:6207
Advisor : Dr. Jad Chaaban, Associate Professor, Agricutural Sciences ; Members of Committee : Dr. Ali Chalak, Assistant Professor, Agricutural Sciences ; Dr. Kanj Hamade, Assistant Professor, Faculty of Agricuture, Lebanese University.
Includes bibliographical references (leaves 71-75, 120-122)