JUMAAH, Najm A.; KAREEM, Mohammad S. EFFECT OF PLANT DENSITY AND FERTILIZATION LEVELS ON YIELD AND YIELD COMPONENTS OF SOME VARIETIES OF SUNFLOWER (Helianthus annuus L.) . . Diyala Agricultural Sciences Journal , [S. l.], v. 7, n. 2, p. 111–121, 2015. Disponível em: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1592. Acesso em: 20 apr. 2026.