TY - BOOK AU - Hassan Ahmed Shahat Khater, AU - M.I.D.Helal AU - M.I.EL-Naggar AU - M.A. Daif TI - Factors Affecting Phosphorus Forms In Some Egyptian Soils / PY - 1995/// KW - Soils N1 - Thesis (M.Sc.) -Cairo University, 1995.; Bibliography: pages 96-105. ER -