TY - BOOK AU - El Flah,Ahmed Hagag Yousef TI - Quantitative study on soil loss by erosion and its relation to productivity in El-Qasr area of North Western coast of Egypt PY - 2003/// KW - Soil erosion KW - Egypt KW - Soil productivity KW - Soil properties KW - Water Erosion Prediction Project N1 - Thesis (Ph.D.)--Suez Canal University,2003; Includes bibliographical references (leaves 165-186); Microfiche; Cairo, Egypt; ASUNET; 5 microfiches:negative ER -