TY - BOOK AU - Attia,Samy Attia Mohamed TI - Effect of some cultural treatments on sunflower (Helianthus annuus L.) PY - 1985/// KW - Sunflowers KW - Fertilizers KW - Field experiments N1 - Thesis (Ph.D.)--AL-Azhar University, 1985; Includes bibliographical references (leaves 139-154); Microfiche; Cario, Egypt; ASUNET; 3 microfihes : negative ER -