TY - BOOK AU - Abu El-Shawareb,Omar TI - Comparative efficiency of mass and recurrent selection breeding methods in the improvement of Egyptian clover berseem( Trifolium alexandrium L.) PY - 1971/// KW - Clover KW - Breeding KW - Egypt KW - Berseem N1 - Thesis (Ph.D.) -- Cairo University, 1971; Includes bibliographical references (Leaves 65-69 ); Microfiche; Cairo, Egypt; AUSNET; 2 microfiches : negative ER -