YOUSIF , Samira Hassan; YOUSIF, Kurdistan Hassan. Effect of inoculation with Azotobacter and organic fertilizer on growth and root nodule of Pea (Pisum sativum L.). Kufa Journal for Agricultural Sciences, Kufa, Najaf, IRAQ, v. 12, n. 1, p. 18–31, 2020. Disponível em: https://journal.uokufa.edu.iq/index.php/kjas/article/view/40. Acesso em: 11 apr. 2026.