ALI, Amjed; AHMAD, Ashfaq; KHALIQ, Tasneem; ALI, Anser; AHMAD, Muhammad. Nitrogen Nutrition and Planting Density Effects on Sunflower Growth and Yield: A Review. Pakistan Journal of Nutrition, Pakistan, v. 12, n. 12, p. 1024–1035, 2013. DOI: 10.3923/pjn.2013.1024.1035. Disponível em: https://pjnonline.org/pjn/article/view/1938. Acesso em: 23 aug. 2025.